# description
DICOM Code Definitions (Coding Scheme Designator "DCM" Coding Scheme Version "01")

# purpose
This value is published as part of FHIR in order to make the codes available to FHIR terminology services and so implementers can easily leverage the codes.

# copyright
These codes are excerpted from Digital Imaging and Communications in Medicine (DICOM) Standard, Part 16: Content Mapping Resource, Copyright © 2011 by the National Electrical Manufacturers Association.

# concept[].definition
Bone Mineral Densitometry by X-Ray (modality), including dual-energy X-Ray absorptiometry (DXA) and morphometric X-Ray absorptiometry (MXA)

# concept[].definition
Image Capture Device, includes video capture

# concept[].definition
Equipment that digitized hardcopy documents and imported them

# concept[].definition
Department System Scheduler, workflow manager; includes RIS

# concept[].definition
An acquisition device, process or method that performs intravascular optical coherence tomography

# concept[].definition
Procedure Logging device; includes cath lab logging

# concept[].definition
A device that creates DICOM PS3.10 interchange media; e.g. a CD creator that is managed by the Media Creation Management Service Class

# concept[].definition
Equipment that retrieved and imported objects from interchange Media

# concept[].definition
Instances need to be retrieved from relatively slow media such as optical disk or tape

# concept[].definition
Measurements of the axial length of the eye, which are done by various devices

# concept[].definition
Modality device that uses an interferometric, non-invasive optical tomographic technique to image 2D slices and 3D volumes of tissue using visible and near visible frequencies

# concept[].definition
Instances need to be retrieved by manual intervention

# concept[].definition
Modality device that measures corneal topography, corneal or retinal thickness, and other similar parameters that are typically displayed as maps

# concept[].definition
Modality device that measures the refractive characteristics of the eye

# concept[].definition
Tomography of the eye acquired by a modality that is based on light and optical principles. Tomography based on other principles, such as ultrasound, is excluded

# concept[].definition
Modality device that measures visual fields and perform visual perimetry

# concept[].definition
An acquisition device, process or method that performs optical surface scanning

# concept[].definition
Hard Copy Print Server; includes printers with embedded DICOM print server

# concept[].definition
Positron emission tomography (PET) device

# concept[].definition
Radiation Therapy Device; includes linear accelerator, proton therapy

# concept[].definition
Radiotherapy Imaging device; includes portal imaging

# concept[].definition
Single-photon emission computed tomography (SPECT) device

# concept[].definition
Equipment that digitizes video tape and imports it

# concept[].definition
A signal transmitted for the purpose of interchange of the current time, not specific to any source or methodology

# concept[].definition
A signal that is generated for each detection of a heart beat

# concept[].definition
A signal transmitted by the Inter-Range Instrumentation Group for the purpose of synchronizing time clocks

# concept[].definition
A signal that indicated that X-Ray source has been activated for fluoroscopy use

# concept[].definition
A signal that indicated that the X-Ray source has been activated for image recording

# concept[].definition
An electrical signal derived from two electrodes

# concept[].definition
An electrophysiological recording from the HIS nerve bundle

# concept[].definition
An electrical signal from one electrode relative to an indifferent potential

# concept[].definition
The voltage stimulus during cardiac pacing

# concept[].definition
The power injected during RF ablation procedure

# concept[].definition
Electrophysiological signals acquired using a multi-splined catheter each equipped with multiple electrodes

# concept[].definition
Electrophysiological signals acquired using a steerable catheter

# concept[].definition
A voltage measurement not otherwise specified

# concept[].definition
A signal point that is 35% of the peak thermal cardiac output signal

# concept[].definition
A signal point that is 70% of the peak thermal cardiac output signal

# concept[].definition
The peak pressure of each heart beat in the atrium caused by the atrial contraction

# concept[].definition
The average of several A wave pressure measurements

# concept[].definition
An identified cardiac beat used in the determination of a measurement

# concept[].definition
An identified cardiac beat not used in the determination of a measurement

# concept[].definition
The average of several diastolic pressure measurements

# concept[].definition
The lowest pressure value excluding any undershoot artifact

# concept[].definition
The moment at the end of the diastolic phase of the cardiac cycle

# concept[].definition
The moment at the end of respiratory expiration

# concept[].definition
The moment at the end of respiratory inspiration

# concept[].definition
The maximum positive rate of change of pressure

# concept[].definition
The maximum negative rate of change of pressure

# concept[].definition
The average blood pressure value, generally over 2 or more seconds

# concept[].definition
The peak change in blood temperature during a thermal cardiac output measurement

# concept[].definition
The moment respiratory expiration begins

# concept[].definition
The moment of respiratory inspiration begins

# concept[].definition
The first discernible blood temperature change following the injectate during a thermal cardiac output measurement

# concept[].definition
The average of several systolic blood pressure measurements

# concept[].definition
The highest systolic blood pressure value excluding any overshoot artifact

# concept[].definition
The peak pressure of each heart beat in the atrium caused by the filling of the atrium

# concept[].definition
The average of several V wave pressure measurements

# concept[].definition
The moment at which a heart valve closes

# concept[].definition
The moment when RF ablation current is turned off

# concept[].definition
The moment when RF ablation current is turned on

# concept[].definition
The moment in the cardiac cycle when the HIS bundle nerves depolarize

# concept[].definition
The surface electrocardiogram of the atrial contraction

# concept[].definition
The first negative deflection of the electrocardiogram caused by ventricular depolarization

# concept[].definition
The first positive deflection the electrocardiogram caused by ventricular depolarization

# concept[].definition
The first negative deflection after the R wave

# concept[].display
Start of atrial contraction (subsequent)

# concept[].definition
The beginning of the second atrial contraction of two consecutive beats

# concept[].definition
The stimulation interval during cardiac stimulation first used in a pacing train

# concept[].definition
The stimulation interval different from the first stimulation interval used in a pacing train

# concept[].definition
A stimulation interval different from and subsequent to the second interval in a pacing train

# concept[].definition
Describes a stimulation interval different from and subsequent to the third interval in a pacing train

# concept[].definition
The electrocardiogram deflection caused by ventricular repolarization

# concept[].definition
The peak pressure of each heart beat monitored in the atrium caused by the filling of the atrium

# concept[].definition
The second V wave measurement of two consecutive beats

# concept[].definition
A description of the physiological condition of the patient

# concept[].definition
The exercise level during a progressive cardiac stress test

# concept[].definition
A series of physiological challenges designed to progressively increase the work of the heart

# concept[].definition
A subpart of a cardiac catheterization procedure

# concept[].definition
The subpart of a cardiac catheterization procedure in which a radio-opaque contrast medium is injected into the patient

# concept[].definition
Physical changes administered to a patient in order to elicit an physiological response

# concept[].definition
Enumeration of a subpart of a catheterization procedure

# concept[].definition
A subpart of an electrophysiological procedure

# concept[].definition
A means of defining a series of cardiac stimulation pulses

# concept[].definition
End of the contraction phase of the cardiac cycle

# concept[].definition
Time for a median particle to travel from point of injection to point of detection

# concept[].definition
The time constant of isovolumic pressure fall

# concept[].definition
Maximum velocity of myocardial contractility

# concept[].definition
Total time for the acquisition is shorter than cardiac cycle, no gating is applied; see Cardiac Synchronization Technique (0018,9037)

# concept[].definition
Certain thresholds have been set for a gating window that defines the acceptance of measurement data during the acquisition; see Cardiac Synchronization Technique (0018,9037)

# concept[].definition
Certain thresholds have been set for a gating window that defines the acceptance of measurement data after the acquisition; see Cardiac Synchronization Technique (0018,9037)

# concept[].definition
There is a constant RR interval, which makes thresholding not required; see Cardiac Synchronization Technique (0018,9037); e.g. Pacemaker

# concept[].definition
Imaging after injection of tracer during increased cardiac workload or increased myocardial blood flow, achieved by either exercise or pharmacologic means

# concept[].definition
Imaging after injection of additional tracer under resting conditions

# concept[].definition
Imaging after allowing a moderate amount of time for tracer to move from its initial sites of uptake. Example: For Thallium imaging this would correspond to imaging 2-6 hours after injection

# concept[].definition
Imaging after allowing an extended amount of time for tracer to move from its initial sites of uptake. Example: For Thallium imaging this would correspond to imaging more than 6 hours after injection

# concept[].definition
Equipment that originally acquired the data stored within composite instances; e.g. a CT, MR or Ultrasound modality

# concept[].definition
Equipment that has processed composite instances to create new composite instances; e.g. a 3D Workstation

# concept[].definition
Equipment that has modified existing composite instances (without creating new composite instances); e.g. a QA Station or Archive

# concept[].definition
Equipment that has modified an existing composite instance to remove patient identifying information

# concept[].definition
Equipment that has processed composite instances to create new composite instances by extracting selected frames from the original instance

# concept[].definition
Equipment that has processed composite instances to create new composite instances by converting classic single frame images to enhanced multi-frame image, or vice versa and updating other instances to maintain referential integrity

# concept[].extension[].valueString
May include the patient's voice, or the voice of staff present in the room, or an operator's voice (whether for the purpose of recording a narrative accompanying a procedure or not).

# concept[].definition
The sound of a human's speech, recorded during a procedure

# concept[].definition
The voice of a device operator, recorded during a procedure

# concept[].definition
The ambient sound recorded during a procedure, which may or may not include voice and other types of sound

# concept[].definition
The Doppler waveform recorded as an audible signal

# concept[].extension[].valueString
Such as might be recorded from an electronic stethoscope.

# concept[].extension[].valueString
May include the sound of the heart, but also sound from other organs, such as bowel sounds or bruits from vessels, or sounds of respiration. Not intended to include voice.

# concept[].definition
A digitized signal from the patient arterial system collected through pulse oximetry or other means

# concept[].definition
A digitized signal from the patient respiratory system representing respiration

# concept[].definition
The occasion on which a procedure was performed on admission to a specialist unit; e.g. intensive care

# concept[].definition
The occasion on which a procedure was performed on discharge from hospital as an in-patient

# concept[].definition
The occasion on which a procedure was performed on discharge from a specialist unit; e.g. intensive care

# concept[].definition
The occasion on which a procedure was performed immediately prior to non-surgical intervention; e.g, percutaneous angioplasty, biopsy

# concept[].definition
The occasion on which a procedure was performed immediately after to non-surgical intervention; e.g, percutaneous angioplasty, biopsy

# concept[].definition
The occasion on which a procedure was performed at the most recent outpatient visit

# concept[].definition
The active or passive joint positioning during acquisition

# concept[].definition
A physical force applied during acquisition

# concept[].display
International Progressive Dog Breeders' Alliance

# concept[].definition
International Progressive Dog Breeders' Alliance

# concept[].definition
Evaluation of overall image quality as described in section 7.3.2 of [IEC 62563-1]

# concept[].definition
Visual verification of sufficient grayscale resolution based on 8 and 10-bit markers as described in section 7.3.3 of [IEC 62563-1]

# concept[].definition
Visual evaluation of luminance response using the TG18-CT test pattern as described in section 7.3.4 of [IEC 62563-1]

# concept[].definition
Visual detection of luminance non-uniformities as described in section 7.3.5 of [IEC 62563-1]

# concept[].definition
Visual verification of color uniformity as described in section 7.3.6 of [IEC 62563-1]

# concept[].definition
Visual detection of defective pixels on dark (TG18-UN80) and bright (TG18-UN10) images as described in section 7.3.7 of [IEC 62563-1]

# concept[].definition
Visual evaluation of veiling glare by looking at low contrast objects on 2 test patterns as described in section 7.3.8 of [IEC 62563-1]

# concept[].definition
Visual evaluation of geometry, phase/clock correction and clipping as described in section 7.3.9 of [IEC 62563-1]

# concept[].definition
Visual evaluation of viewing angle as described in section 7.3.10 of [IEC 62563-1]

# concept[].definition
Visual evaluation of the appearance of clinical images as described in section 7.3.11 of [IEC 62563-1]

# concept[].definition
AAPM TG18-QC Pattern used for evaluation of resolution, luminance, distortion, artifacts. See [AAPM OR 03]

# concept[].definition
AAPM TG18-BR Pattern used for the evaluation of the display of low-contrast, fine-detail image structures See [AAPM OR 03]

# concept[].definition
AAPM TG18-PQC Pattern used for evaluation of resolution, luminance, contrast transfer for prints. See [AAPM OR 03]

# concept[].definition
AAPM TG18-CT Pattern used for evaluation of luminance response. See [AAPM OR 03]

# concept[].definition
The 1st image in the AAPM TG18-LN8 set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The 2nd image in the AAPM TG18-LN8 set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The 3rd image in the AAPM TG18-LN8 set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The 4th image in the AAPM TG18-LN8 set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The 5th image in the AAPM TG18-LN8 set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The 6th image in the AAPM TG18-LN8 set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The 7th image in the AAPM TG18-LN8 set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The 8th image in the AAPM TG18-LN8 set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The 9th image in the AAPM TG18-LN8 set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The 10th image in the AAPM TG18-LN8 set used for DICOM grayscale calibration series. See [AAPM OR 03]

# concept[].definition
The 11th image in the AAPM TG18-LN8 set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The 12th image in the AAPM TG18-LN8 set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The 13th image in the AAPM TG18-LN8 set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The 14th image in the AAPM TG18-LN8 set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The 15th image in the AAPM TG18-LN8 set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The 16th image in the AAPM TG18-LN8 set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The 17th image in the AAPM TG18-LN8 set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The 18th image in the AAPM TG18-LN8- set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The 1st image in the AAPM TG18-LN12 set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The 2 nd image in the AAPM TG18-LN12 set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The 3rd image in the AAPM TG18-LN12 set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The 4th image in the AAPM TG18-LN12 set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The 5th image in the AAPM TG18-LN12 set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The 6th image in the AAPM TG18-LN12 set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The 7th image in the AAPM TG18-LN12 set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The 8th image in the AAPM TG18-LN12 set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The 9th image in the AAPM TG18-LN12 set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The 10th image in the AAPM TG18-LN12 set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The 11th image in the AAPM TG18-LN12 set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The 12th image in the AAPM TG18-LN12 set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The 13th image in the AAPM TG18-LN12 set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The 14th image in the AAPM TG18-LN12 set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The 15th image in the AAPM TG18-LN12 set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The 16th image in the AAPM TG18-LN12 set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The 17th image in the AAPM TG18-LN12 set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The 18th image in the AAPM TG18-LN12 set used for DICOM grayscale calibration. See [AAPM OR 03]

# concept[].definition
The AAPM TG18-UN10 Pattern used for evaluation of luminance and color uniformity, and angular response. See [AAPM OR 03]

# concept[].definition
The AAPM TG18-UN80 Pattern used for evaluation of luminance and color uniformity, and angular response. See [AAPM OR 03]

# concept[].definition
The AAPM TG18-UNL10 Pattern is the AAPM TG-18 UN10 Pattern with added defining lines. See [AAPM OR 03]

# concept[].definition
The AAPM TG18-UNL80 Pattern is the AAPM TG-18 UN80 Pattern with added defining lines. See [AAPM OR 03]

# concept[].definition
The AAPM TG18-AD Pattern used for visual evaluation of the reflection of ambient light from the display. See [AAPM OR 03]

# concept[].definition
The AAPM TG18-MP Pattern used for evaluation of Luminance response (bit-depth resolution). See [AAPM OR 03]

# concept[].definition
The AAPM TG18-RH10 Pattern used for LSF-line spectra function-(1k and 2k) evaluation by 5 horizontal lines at 10% luminance level. See [AAPM OR 03]

# concept[].definition
The AAPM TG18-RH50 Pattern used for LSF-line spectra function-(1k and 2k) evaluation by 5 horizontal lines at 50% luminance level. See [AAPM OR 03]

# concept[].definition
The AAPM TG18-RH89 Pattern used for LSF-line spectra function-(1k and 2k) evaluation by 5 horizontal lines at 89% luminance level. See [AAPM OR 03]

# concept[].definition
The AAPM TG18-RV10 Pattern used for LSF-line spectra function-(1k and 2k) evaluation by 5 vertical lines at 10% luminance level. See [AAPM OR 03]

# concept[].definition
The AAPM TG18-RV50 Pattern used for LSF-line spectra function-(1k and 2k) evaluation by 5 vertical lines at 50% luminance level. See [AAPM OR 03]

# concept[].definition
The AAPM TG18-RV89 Pattern used for LSF-line spectra function-(1k and 2k) evaluation by 5 vertical lines at 89% luminance level. See [AAPM OR 03]

# concept[].definition
The AAPM TG18-PX Pattern used for the assessment of display resolution. See [AAPM OR 03]

# concept[].definition
The AAPM TG18-CX Pattern used to assess display resolution and resolution uniformity. See [AAPM OR 03]

# concept[].definition
The AAPM TG18-LPH10 Pattern used to assess display resolution. This pattern has horizontal bars consisting of alternating single-pixel-wide lines across the faceplate of display. The lines have a 12% positive contrast against 10% background level of the maximum pixel value. See [AAPM OR 03]

# concept[].definition
The AAPM TG18-LPH50 Pattern used to assess display resolution. This pattern has horizontal bars consisting of alternating single-pixel-wide lines across the faceplate of display. The lines have a 50% positive contrast against 10% background level of the maximum pixel value. See [AAPM OR 03]

# concept[].definition
The AAPM TG18-LPH89 Pattern used to assess display resolution. This pattern has horizontal bars consisting of alternating single-pixel-wide lines across the faceplate of display. The lines have a 12% positive contrast against 89% background level of the maximum pixel value. See [AAPM OR 03]

# concept[].definition
The AAPM TG18-LPV10 Pattern used to assess display resolution. This pattern has vertical bars consisting of alternating single-pixel-wide lines across the faceplate of display. The lines have a 12% positive contrast against 10% background level of the maximum pixel value. See [AAPM OR 03]

# concept[].definition
The AAPM TG18-LPV50 Pattern used to assess display resolution. This pattern has vertical bars consisting of alternating single-pixel-wide lines across the faceplate of display. The lines have a 12% positive contrast against 50% background level of the maximum pixel value. See [AAPM OR 03]

# concept[].definition
The AAPM TG18-LPV89 Pattern used to assess display resolution. This pattern has vertical bars consisting of alternating single-pixel-wide lines across the faceplate of display. The lines have a 12% positive contrast against 89% background level of the maximum pixel value. See [AAPM OR 03]

# concept[].definition
The AAPM TG18-AFC Pattern used to assess display noise. See [AAPM OR 03]

# concept[].definition
The AAPM TG18-NS10 Pattern is AAPM TG18-RV10/RH10 with only difference being the absence of the single line at the center of the measurement area. See [AAPM OR 03]

# concept[].definition
The AAPM TG18-NS50 Pattern is AAPM TG18-RV50/RH50 with only difference being the absence of the single line at the center of the measurement area. See [AAPM OR 03]

# concept[].definition
The AAPM TG18-NS89 Pattern is AAPM TG18-RV89/RH89 with only difference being the absence of the single line at the center of the measurement area. See [AAPM OR 03]

# concept[].definition
The TG18-GV Pattern used to assess display veiling. See [AAPM OR 03]

# concept[].definition
The TG18-GVN Pattern used to assess display veiling. This pattern is identical to AAPM TG18-GV Pattern except that the large-diameter white circle is replaced with a black circle, creating a completely black pattern except for the presence of low-contrast targets. See [AAPM OR 03]

# concept[].definition
The TG18-GQ Pattern used for quantitative assessment of veiling glare. This pattern is identical to TG18-GV except that is lacks the central low-contrast objects. See [AAPM OR 03]

# concept[].definition
TG18-GQN Pattern used for the quantitative assessment of veiling glare. This pattern is identical to AAPM TG18-GQ Pattern except that the large-diameter white circle is replaced with a black circle, creating a completely black pattern except for the presence of low-contrast targets. See [AAPM OR 03]

# concept[].definition
The TG18-GQB Pattern used for the quantitative assessment of veiling glare. This pattern is identical to AAPM TG18-GQ Pattern except eliminating the central black circle. See [AAPM OR 03]

# concept[].definition
The TG18-GA03 Pattern used for quantitative assessment of veiling glare. This pattern is identical to TG18-GQ except that the radius of the central black circle is varied as r = 3. See [AAPM OR 03]

# concept[].definition
The TG18-GA05 Pattern This pattern is identical to TG18-GQ except that the radius of the central black circle is varied as r = 5. See [AAPM OR 03]

# concept[].definition
The TG18-GA08 Pattern used for quantitative assessment of veiling glare. This pattern is identical to TG18-GQ except that the radius of the central black circle is varied as r = 8. See [AAPM OR 03]

# concept[].definition
The TG18-GA10 Pattern used for quantitative assessment of veiling glare. This pattern is identical to TG18-GQ except that the radius of the central black circle is varied as r = 10. See [AAPM OR 03]

# concept[].definition
The TG18-GA15 Pattern used for quantitative assessment of veiling glare. This pattern is identical to TG18-GQ except that the radius of the central black circle is varied as r = 15

# concept[].definition
The TG18-GA20 Pattern used for quantitative assessment of veiling glare. This pattern is identical to TG18-GQ except that the radius of the central black circle is varied as r = 20. See [AAPM OR 03]

# concept[].definition
The TG18-GA25 Pattern used for quantitative assessment of veiling glare. This pattern is identical to TG18-GQ except that the radius of the central black circle is varied as r = 25. See [AAPM OR 03]

# concept[].definition
The TG18-GA30 Pattern used for quantitative assessment of veiling glare. This pattern is identical to TG18-GQ except that the radius of the central black circle is varied as r = 30. See [AAPM OR 03]

# concept[].definition
The AAPM TG18-CH Image is a reference anatomical PA chest image. See [AAPM OR 03]

# concept[].definition
The AAPM TG18-KN Image is a reference anatomical knee image. See [AAPM OR 03]

# concept[].definition
The AAPM TG18-MM1 Image is a reference anatomical mammogram image. See [AAPM OR 03]

# concept[].definition
The AAPM TG18-MM2 Image is a reference anatomical mammogram image. See [AAPM OR 03]

# concept[].definition
The IEC OIQ Pattern is used as an alternative to the TG18-QC Pattern. See [IEC 62563-1]

# concept[].definition
The IEC ANG Pattern used for angular viewing evaluation. See [IEC 62563-1]

# concept[].definition
The IEC GD Pattern used for geometrical image evaluation. See [IEC 62563-1]

# concept[].definition
The IEC BN01 Pattern is used as analternative to the TG18-LN-01 Pattern, to avoid the use of a cone or baffle with LCDs. See [IEC 62563-1]

# concept[].definition
The IEC BN02 Pattern is used as analternative to the TG18-LN-02 Pattern, to avoid the use of a cone or baffle with LCDs. See [IEC 62563-1]

# concept[].definition
The IEC BN03 Pattern is used as analternative to the TG18-LN-03 Pattern, to avoid the use of a cone or baffle with LCDs. See [IEC 62563-1]

# concept[].definition
The IEC BN04 Pattern is used as analternative to the TG18-LN-04 Pattern, to avoid the use of a cone or baffle with LCDs. See [IEC 62563-1]

# concept[].definition
The IEC BN05 Pattern is used as analternative to the TG18-LN-05 Pattern, to avoid the use of a cone or baffle with LCDs. See [IEC 62563-1]

# concept[].definition
The IEC BN06 Pattern is used as analternative to the TG18-LN-06 Pattern, to avoid the use of a cone or baffle with LCDs. See [IEC 62563-1]

# concept[].definition
The IEC BN07 Pattern is used as analternative to the TG18-LN-07 Pattern, to avoid the use of a cone or baffle with LCDs. See [IEC 62563-1]

# concept[].definition
The IEC BN08 Pattern is used as analternative to the TG18-LN-08 Pattern, to avoid the use of a cone or baffle with LCDs. See [IEC 62563-1]

# concept[].definition
The IEC BN09 Pattern is used as analternative to the TG18-LN-09 Pattern, to avoid the use of a cone or baffle with LCDs. See [IEC 62563-1]

# concept[].definition
The IEC BN10 Pattern is used as analternative to the TG18-LN-10 Pattern, to avoid the use of a cone or baffle with LCDs. See [IEC 62563-1]

# concept[].definition
The IEC BN11 Pattern is used as analternative to the TG18-LN-11 Pattern, to avoid the use of a cone or baffle with LCDs. See [IEC 62563-1]

# concept[].definition
The IEC BN12 Pattern is used as analternative to the TG18-LN-12 Pattern, to avoid the use of a cone or baffle with LCDs. See [IEC 62563-1]

# concept[].definition
The IEC BN13 Pattern is used as analternative to the TG18-LN-13 Pattern, to avoid the use of a cone or baffle with LCDs. See [IEC 62563-1]

# concept[].definition
The IEC BN14 Pattern is used as analternative to the TG18-LN-14 Pattern, to avoid the use of a cone or baffle with LCDs. See [IEC 62563-1]

# concept[].definition
The IEC BN15 Pattern is used as analternative to the TG18-LN-15 Pattern, to avoid the use of a cone or baffle with LCDs. See [IEC 62563-1]

# concept[].definition
The IEC BN16 Pattern is used as analternative to the TG18-LN-16 Pattern, to avoid the use of a cone or baffle with LCDs. See [IEC 62563-1]

# concept[].definition
The IEC BN17 Pattern is used as analternative to the TG18-LN-17 Pattern, to avoid the use of a cone or baffle with LCDs. See [IEC 62563-1]

# concept[].definition
The IEC BN18 Pattern is used as analternative to the TG18-LN-18 Pattern, to avoid the use of a cone or baffle with LCDs. See [IEC 62563-1]

# concept[].definition
Test image "Bild 2" for the gray-scale reproduction of imaging devices. See [DIN 6868-57]

# concept[].definition
Test image "Bild 3" for the geometrical imaging properties of imaging devices. See [DIN 6868-57]

# concept[].definition
Test image "Bild 5" for displaying the spatial and contrast resolution as well as the line structure of imaging devices. See [DIN 6868-57]

# concept[].definition
An alternative to AAPM TG18-UN80, specified at 100% of maximum pixel value

# concept[].definition
A standard display test pattern. See [SMPTE RP133]. A pattern is available at http://www.dclunie.com/images/smpte.512.512.8.gif

# concept[].definition
A Display Device that displays images on a Cathode Ray Tube

# concept[].definition
A Display Device that displays images on a Liquid Crystal Display

# concept[].definition
A Display Device that displays images on a Plasma Display

# concept[].definition
A Display Device that displays images on an Organic Light Emitting Diode based display

# concept[].definition
A Display Device that projects images on a surface from behind using a Digital Light Processing Projector

# concept[].definition
A Display Device that projects images on a surface from in front using a Digital Light Processing Projector

# concept[].definition
A Display Device that projects images on a surface from behind using a Cathode Ray Tube

# concept[].definition
A Display Device that projects images on a surface from in front using a Cathode Ray Tube

# concept[].definition
A Display Device that projects images on a surface from an unspecified direction using an unspecified means

# concept[].definition
There will be no more work items scheduled

# concept[].definition
The procedure to read DICOM instances from DICOM interchange media, coerce identifying attributes into the local namespace if necessary, and make the instances available

# concept[].definition
Digitization of pages of a paper document (Units may be specified as Pages, Documents)

# concept[].definition
Importation of DICOM Composite Instances

# concept[].definition
A device that connects using the USB hard drive interface. These may be USB-Sticks, portable hard drives, and other technologies

# concept[].definition
Email and email attachments used as a media for data transport

# concept[].definition
CD-R, CD-ROM, and CD-RW media used for data transport

# concept[].definition
DVD, DVD-RAM, and other DVD formatted media used for data transport

# concept[].definition
Media that comply with the Compact Flash standard

# concept[].definition
Media that comply with the Multi-media Card standard

# concept[].definition
Media that comply with the Secure Digital Card standard

# concept[].definition
URI Identifier for network or other resource, see RFC 3968

# concept[].definition
Audit event: Application Activity has taken place

# concept[].definition
Audit event: Storage of DICOM Instances has begun

# concept[].definition
Audit event: DICOM Instances have been created, read, updated, or deleted

# concept[].definition
Audit event: Storage of DICOM Instances has been completed

# concept[].definition
Audit event: Entire Study has been deleted

# concept[].definition
Audit event: Data has been exported out of the system

# concept[].definition
Audit event: Data has been imported into the system

# concept[].definition
Audit event: System has joined or left network

# concept[].definition
Audit event: Order has been created, read, updated or deleted

# concept[].definition
Audit event: Patient Record has been created, read, updated, or deleted

# concept[].definition
Audit event: Procedure Record has been created, read, updated, or deleted

# concept[].definition
Audit event: Security Alert has been raised

# concept[].definition
Audit event: User Authentication has been attempted

# concept[].definition
Audit event: Application Entity has started

# concept[].definition
Audit event: Application Entity has stopped

# concept[].definition
Audit event: User login has been attempted

# concept[].definition
Audit event: User logout has been attempted

# concept[].definition
Audit event: Node Authentication has been attempted

# concept[].definition
Audit event: Emergency Override has started

# concept[].definition
Audit event: Network configuration has been changed

# concept[].definition
Audit event: Security configuration has been changed

# concept[].definition
Audit event: Hardware configuration has been changed

# concept[].definition
Audit event: Software configuration has been changed

# concept[].definition
Audit event: A use of a restricted function has been attempted

# concept[].definition
Audit event: Audit recording has been stopped

# concept[].definition
Audit event: Audit recording has been started

# concept[].definition
Audit event: Security attributes of an object have been changed

# concept[].definition
Audit event: Security roles have been changed

# concept[].definition
Audit event: Security attributes of a user have been changed

# concept[].definition
Audit event: Emergency Override has Stopped

# concept[].definition
Audit event: Remote Service Operation has Begun

# concept[].definition
Audit event: Remote Service Operation has Stopped

# concept[].definition
Audit event: Local Service Operation has Begun

# concept[].definition
Audit event: Local Service Operation Stopped

# concept[].definition
Audit participant role ID of software application

# concept[].definition
Audit participant role ID of software application launcher, i.e., the entity that started or stopped an application

# concept[].definition
Audit participant role ID of the receiver of data

# concept[].definition
Audit participant role ID of the sender of data

# concept[].definition
Audit participant role ID of media receiving data during an export

# concept[].definition
Audit participant role ID of media providing data during an import

# concept[].definition
ParticipantObjectID type: Study Instance UID

# concept[].definition
ID of a node that is a participant object of an audit message

# concept[].definition
System, organization, agency, or department that has assigned an instance identifier (such as placer or filler number, patient or provider identifier, etc.)

# concept[].definition
Procedure order canceled by requesting physician or other authorized physician

# concept[].definition
Equipment failure prevented completion of procedure

# concept[].definition
Procedure discontinued due to incorrect procedure being ordered

# concept[].definition
Procedure discontinued due to patient allergy to media/contrast (reported or reaction)

# concept[].definition
Procedure discontinued due to death of Patient

# concept[].definition
Procedure discontinued due to patient refusal to continue procedure

# concept[].definition
Procedure discontinued due to patient being taken for treatment or surgery

# concept[].definition
Procedure discontinued due to patient pregnancy (reported or determined)

# concept[].display
Change of procedure for correct charging

# concept[].definition
Procedure discontinued to restart with new procedure code for correct charging

# concept[].definition
Procedure discontinued due to duplicate orders received for same procedure

# concept[].definition
Procedure order canceled by nursing unit

# concept[].definition
Procedure discontinued due to incorrect side (laterality) being ordered

# concept[].definition
Procedure discontinued for unspecified reason

# concept[].definition
Procedure discontinued due to incorrect patient or procedure step selected from modality worklist

# concept[].definition
Patient condition prevented continuation of procedure

# concept[].definition
Procedure step is discontinued to change to other equipment or modality

# concept[].definition
A movement of the patient affecting test quality

# concept[].definition
An error of the operator affecting test quality

# concept[].definition
Receiving System is unable to accept the object type

# concept[].definition
One or more objects associated with the object set is missing

# concept[].definition
The contents of the Media could not be accessed properly

# concept[].definition
Procedure discontinued due to necessary equipment, staff or other resource becoming (temporarily) unavailable to the procedure

# concept[].definition
Procedure discontinued due to necessary equipment, staff or other resource being inadequate to complete the procedure

# concept[].definition
A new Procedure Step has been scheduled to replace the Discontinued Procedure Step

# concept[].definition
It is recommended that a new Procedure Step be scheduled to replace the Discontinued Procedure Step

# concept[].definition
Ventral structures of the diencephalon that cannot readily be distinguished on MR imaging, including the hypothalamus, mammillary body, subthalamic nuclei, substantia nigra, red nucleus, lateral geniculate nucleus, medial geniculate nucleus, zona incerta, cerebral peduncle, lenticular fasciculus, medial lemniscus, and optic tract. See http://neuromorphometrics.org:8080/Seg/html/segmentation/ventral%20diencephalon.html

# concept[].definition
Area(s) of reduced intensity on T1 weighted images relative to the surrounding white matter. These may be indicative of age-related or neurodegenerative white matter lesions, and may be co-located with areas of white matter T2 hyperintensity, but the concept is specifically confined to the MR appearance on T1 weighted images

# concept[].definition
Area(s) of increased intensity on T2 weighted images relative to the surrounding white matter. These may be indicative of age-related or neurodegenerative white matter lesions, and may be co-located with areas of white matter T1 hypointensity, but the concept is specifically confined to the MR appearance on T2 weighted images

# concept[].definition
The dorsal component of the SLF originating from the medial and dorsal parietal cortex and ending in the dorsal and medial part of the frontal lobe. See Makris N, et al. "Segmentation of Subcomponents within the Superior Longitudinal Fascicle in Humans: A Quantitative, In Vivo, DT-MRI Study." Cerebral Cortex 15, no. 6 (June 1, 2005): 854-69. doi:10.1093/cercor/bhh186

# concept[].definition
The major component of the SLF, derived from the caudal-inferior parietal region corresponding to the angular gyrus in the human and terminating within the dorsolateral frontal region. See Makris N, et al. "Segmentation of Subcomponents within the Superior Longitudinal Fascicle in Humans: A Quantitative, In Vivo, DT-MRI Study." Cerebral Cortex 15, no. 6 (June 1, 2005): 854-69. doi:10.1093/cercor/bhh186

# concept[].definition
The ventral component of the SLF, originating from the supramarginal gyrus and terminating predominantly in the ventral premotor and prefrontal areas. See Makris N, et al. "Segmentation of Subcomponents within the Superior Longitudinal Fascicle in Humans: A Quantitative, In Vivo, DT-MRI Study." Cerebral Cortex 15, no. 6 (June 1, 2005): 854-69. doi:10.1093/cercor/bhh186

# concept[].definition
White matter that surrounds a lesion of interest; e.g. to identify the otherwise unclassified white matter that surrounds a tumor to be surgically resected

# concept[].display
Spin Tagging Perfusion MR Signal Intensity

# concept[].definition
Signal intensity of a Spin tagging Perfusion MR image. Spin tagging is a technique for the measurement of blood perfusion, based on magnetically labeled arterial blood water as an endogenous tracer

# concept[].display
Contrast Agent Angio MR Signal Intensity

# concept[].definition
Signal intensity of a Contrast Agent Angio MR image

# concept[].display
Time Of Flight Angio MR Signal Intensity

# concept[].definition
Signal intensity of a Time-of-flight (TOF) MR image. Time-of-flight (TOF) is based on the phenomenon of flow-related enhancement of spins entering into an imaging slice. As a result of being unsaturated, these spins give more signal that surrounding stationary spins

# concept[].display
Proton Density Weighted MR Signal Intensity

# concept[].definition
Signal intensity of a Proton Density Weighted MR image. All MR images have intensity proportional to proton density. Images with very little T1 or T2 weighting are called 'PD-weighted'

# concept[].definition
Signal intensity of T1 Weighted MR image. A T1 Weighted MR image is created typically by using short TE and TR times

# concept[].definition
Signal intensity of a T2 Weighted MR image. T2 Weighted image contrast state is approached by imaging with a TR long compared to tissue T1 (to reduce T1 contribution to image contrast) and a TE between the longest and shortest tissue T2s of interest

# concept[].definition
Signal intensity of a T2* Weighted MR image. The T2* phenomenon results from molecular interactions (spin spin relaxation) and local magnetic field non-uniformities, which cause the protons to precess at slightly different frequencies

# concept[].definition
Signal intensity of a Field Map MR image. A Field Map MR image provides a direct measure of the B 0 inhomogeneity at each point in the image

# concept[].definition
Coefficient reflecting the fractional anisotropy of the tissues, derived from a diffusion weighted MR image. Fractional anisotropy is proportional to the square root of the variance of the Eigen values divided by the square root of the sum of the squares of the Eigen values

# concept[].definition
Coefficient reflecting the relative anisotropy of the tissues, derived from a diffusion weighted MR image

# concept[].definition
Dxx Component of the diffusion tensor, quantifying the molecular mobility along the X axis

# concept[].definition
Dxy Component of the diffusion tensor, quantifying the correlation of molecular displacements in the X and Y directions

# concept[].definition
Dxz Component of the diffusion tensor, quantifying the correlation of molecular displacements in the X and Z directions

# concept[].definition
Dyy Component of the diffusion tensor, quantifying the molecular mobility along the Y axis

# concept[].definition
Dyz Component of the diffusion tensor, quantifying the correlation of molecular displacements in the Y and Z directions

# concept[].definition
Dzz Component of the diffusion tensor, quantifying the molecular mobility along the Z axis

# concept[].display
T1 Weighted Dynamic Contrast Enhanced MR Signal Intensity

# concept[].definition
Signal intensity of a T1 Weighted Dynamic Contrast Enhanced MR image. A T1 Weighted Dynamic Contrast Enhanced MR image reflects the dynamics of diffusion of the exogenous contrast media from the blood pool into the extra vascular extracellular space (EES) of the brain at a rate determined by the blood flow to the tissue, the permeability of the Brain Blood Barrier (BBB), and the surface area of the perfusing vessels

# concept[].display
T2 Weighted Dynamic Contrast Enhanced MR Signal Intensity

# concept[].definition
Signal intensity of a T2 Weighted Dynamic Contrast Enhanced MR image. A T2 Weighted Dynamic Contrast Enhanced MR image reflects the T2 of tissue decrease as the Gd contrast agent bolus passes through the brain

# concept[].display
T2* Weighted Dynamic Contrast Enhanced MR Signal Intensity

# concept[].definition
Signal intensity of a T2* Weighted Dynamic Contrast Enhanced MR image. A T2* Weighted Dynamic Contrast Enhanced MR image reflects the T2* of tissue decrease as the Gd contrast agent bolus passes through the brain

# concept[].definition
Signal intensity of a Blood Oxygenation Level image. BOLD imaging is sensitive to blood oxygenation (but also to cerebral blood flow and volume). This modality is essentially used for detecting brain activation (functional MR)

# concept[].definition
Accumulated decay event counts in a nuclear medicine projection image

# concept[].definition
Accumulated decay event counts in a Nuclear Medicine Tomographic image (including PET)

# concept[].definition
Spatial Displacement along axis X of a non-linear deformable spatial registration image. The X axis is defined in reference to the patient's orientation, and is increasing to the left hand side of the patient

# concept[].definition
Spatial Displacement along axis Y of a non-linear deformable spatial registration image. The Y axis is defined in reference to the patient's orientation, and is increasing to the posterior side of the patient

# concept[].definition
Spatial Displacement along axis Z of a non-linear deformable spatial registration image. The Z axis is defined in reference to the patient's orientation, and is increasing toward the head of the patient

# concept[].definition
Measured resistance to the flow of blood; e.g. through the vasculature or through a heart value

# concept[].definition
Measured resistance to the flow of blood; e.g. through the vasculature or through a heart value, normalized to a particular indexed scale

# concept[].definition
Velocity of tissue based on Doppler measurements

# concept[].definition
Velocity of blood flow based on Doppler measurements

# concept[].definition
Statistical variance of blood velocity relative to mean

# concept[].definition
Scalar value related to the elastic properties of the tissue

# concept[].definition
Scalar value related to the volume of blood perfusing into tissue

# concept[].definition
Reduction in strength of ultrasound signal as the wave

# concept[].definition
Red component of a true color image (RGB)

# concept[].definition
Green component of a true color image (RGB)

# concept[].definition
Blue component of a true color image (RGB)

# concept[].definition
Y (Luminance) component of a YBR FULL image, as defined in JPEG 2000

# concept[].definition
CB (Blue chrominance) component of a YBR FULL image, as defined in JPEG 2000

# concept[].definition
CR (Red chrominance) component of a YBR FULL image, as defined in JPEG 2000

# concept[].definition
Y (Luminance) component of a YBR PARTIAL image, as defined in JPEG 2000

# concept[].definition
CB (Blue chrominance) component of a YBR PARTIAL image, as defined in JPEG 2000

# concept[].definition
CR (Red chrominance) component of a YBR PARTIAL image, as defined in JPEG 2000

# concept[].definition
Y (Luminance) component of a YBR ICT image (Irreversible Color Transform), as defined in JPEG 2000

# concept[].definition
CB (Blue chrominance) component of a YBR ICT image (Irreversible Color Transform), as defined in JPEG 2000

# concept[].definition
CR (Red chrominance) component of a YBR ICT image (Irreversible Color Transform), as defined in JPEG 2000

# concept[].definition
Y (Luminance) component of a YBR RCT image (Reversible Color Transform), as defined in JPEG 2000

# concept[].definition
CB (Blue chrominance) component of a YBR RCT image (Reversible Color Transform), as defined in JPEG 2000

# concept[].definition
CR (Red chrominance) component of a YBR RCT image (Reversible Color Transform), as defined in JPEG 2000

# concept[].definition
The ability of a material to create an ultrasound return echo

# concept[].definition
Decrease in the number of photons in an X-Ray beam due to interactions with the atoms of a material substance. Attenuation is due primarily to two processes, absorption and scattering

# concept[].definition
Coefficient that describes the fraction of a beam of X-Rays or gamma rays that is absorbed or scattered per unit thickness of the absorber. This value basically accounts for the number of atoms in a cubic cm volume of material and the probability of a photon being scattered or absorbed from the nucleus or an electron of one of these atoms

# concept[].definition
Signal intensity of an MR image, not otherwise specified

# concept[].definition
Binary value denoting that the segmented property is present

# concept[].definition
Probability, defined as a percentage, that the segmented property occupies the spatial area defined by the voxel

# concept[].definition
Percentage of the voxel area occupied by the segmented property

# concept[].definition
Spatial dimension, denoting a linear displacement

# concept[].definition
Dimension denoting the energy (frequency or wavelength) of photons

# concept[].definition
Dimension used to sequence events, to compare the duration of events and the intervals between events

# concept[].definition
A spatial dimension axis running along a line between the patient's left and right side

# concept[].definition
A spatial dimension axis running along a line between the patient's head and foot

# concept[].definition
A spatial dimension axis running along a line between the patient's anterior and posterior sides

# concept[].definition
A spatial dimension axis running along a line between the apex and base of an organ, object, or chamber

# concept[].definition
A spatial dimension axis running along a line between the anterior and inferior sides of an organ, object, or chamber

# concept[].definition
A spatial dimension axis running along a line between the septum and wall of a chamber

# concept[].definition
Orientation of a spatial dimension where increasing values run from the right to the left side of the patient

# concept[].definition
Orientation of a spatial dimension where increasing values run from the left to the right side of the patient

# concept[].definition
Orientation of a spatial dimension where increasing values run from the head to the foot of the patient

# concept[].definition
Orientation of a spatial dimension where increasing values run from the foot to the head of the patient

# concept[].definition
Orientation of a spatial dimension where increasing values run from the anterior to the posterior side of the patient

# concept[].definition
Orientation of a spatial dimension where increasing values run from the posterior to the anterior side of the patient

# concept[].definition
Orientation of a spatial dimension where increasing values run from the apex to the base

# concept[].definition
Orientation of a spatial dimension where increasing values run from the base to the apex

# concept[].definition
Orientation of a spatial dimension where increasing values run from the anterior to the inferior

# concept[].definition
Orientation of a spatial dimension where increasing values run from the inferior to the anterior

# concept[].definition
Orientation of a spatial dimension where increasing values run from the septum of a chamber to the opposite wall

# concept[].definition
Orientation of a spatial dimension where increasing values run from the opposite wall to the septum of a chamber

# concept[].definition
The x coordinate of the upper left hand corner (center of the first voxel transmitted) of the image, with respect to the patient-based coordinate system

# concept[].definition
The y coordinate of the upper left hand corner (center of the first voxel transmitted) of the image, with respect to the patient-based coordinate system

# concept[].definition
The z coordinate of the upper left hand corner (center of the first voxel transmitted) of the image, with respect to the patient-based coordinate system

# concept[].definition
The x value of the first row direction cosine with respect to the patient, with respect to the patient-based coordinate system

# concept[].definition
The y value of the first row direction cosine with respect to the patient, with respect to the patient-based coordinate system

# concept[].definition
The z value of the first row direction cosine with respect to the patient, with respect to the patient-based coordinate system

# concept[].definition
The x value of the first column direction cosine with respect to the patient, with respect to the patient-based coordinate system

# concept[].definition
The y value of the first column direction cosine with respect to the patient, with respect to the patient-based coordinate system

# concept[].definition
The z value of the first column direction cosine with respect to the patient, with respect to the patient-based coordinate system

# concept[].definition
Number of rows in the pixel data of the image

# concept[].definition
Number of columns in the pixel data of the image

# concept[].definition
The name assigned by a manufacturer to a specific software algorithm

# concept[].definition
The input parameters used by a manufacturer to configure the behavior of a specific software algorithm

# concept[].definition
The software version identifier assigned by a manufacturer to a specific software algorithm

# concept[].definition
The type of correlation applied to detection results; e.g. temporal, spatial

# concept[].definition
Assignment of intermediate or overall interpretation results to a general category

# concept[].definition
Assessment of annotating tissues in breast; generally including fatty, mixed or dense

# concept[].extension[].valueString
Purpose of Reference for content item of value type COMPOSITE or SCOORD

# concept[].display
Breast Outline including Pectoral Muscle Tissue

# concept[].definition
Purpose of reference for an SCOORD content item that is an outline of the breast that includes the pectoral muscle tissue

# concept[].definition
The type of distribution associated with detected calcifications

# concept[].definition
Identification of the morphology of detected calcifications

# concept[].extension[].valueString
Purpose of Reference for content item of value type COMPOSITE or SCOORD

# concept[].definition
Purpose of reference for an SCOORD content item that identifies the central point of a finding or feature

# concept[].definition
The likelihood that the feature analyzed is in fact the type of feature identified

# concept[].definition
The likelihood that the finding detected is in fact the type of finding identified

# concept[].definition
The certainty that a device places on an impression, where 0 equals no certainty and 100 equals certainty

# concept[].definition
A location identifier based on clock-face numbering or anatomic sub-region

# concept[].definition
An item that is an inferred correlation relating two or more individual findings or features

# concept[].definition
The inferred relationship between the findings or features making up a composite feature

# concept[].definition
General assessment of whether or not CAD processing was successful, and whether any findings resulted

# concept[].definition
A location identifier based on a feature's inferred distance from the surface of the associated anatomy

# concept[].definition
A textual description of the change that occurred over time in a qualitative characteristic of a feature

# concept[].definition
The type of finding sought after by a specific algorithm applied to one image

# concept[].definition
A general change that occurred within an imaged area between a prior imaging procedure and the current imaging procedure

# concept[].definition
A group of analysis algorithms that were attempted, but failed

# concept[].definition
A group of detection algorithms that were attempted, but failed

# concept[].definition
For projection radiography, the horizontal physical distance measured at the front plane of an Image Receptor housing between the center of each pixel. For tomographic images, the horizontal physical distance in the patient between the center of each pixel

# concept[].definition
Laterality of (possibly paired) body part contained in an image

# concept[].definition
A container that references all image data used as evidence to produce a report

# concept[].definition
A numeric value in the range 0 to 100, inclusive, where 0 is worst quality and 100 is best quality

# concept[].extension[].valueString
Purpose of Reference for content item of value type COMPOSITE or SCOORD

# concept[].definition
Purpose of reference for an SCOORD content item that identifies a specific region of interest within an image

# concept[].definition
The projection of the anatomic region of interest on an image receptor

# concept[].definition
Free-form text describing the overall or an individual impression

# concept[].definition
A container for a group of related results from interpretation of one or more images and associated clinical information

# concept[].definition
The X-Ray attenuation of a lesion relative to the expected attenuation of an equal volume of fibroglandular breast tissue

# concept[].definition
A structured report containing the results of computer-aided detection or diagnosis applied to breast imaging and associated clinical information

# concept[].definition
The characteristic of the boundary, edges or border of a detected lesion

# concept[].definition
The quantity of calcifications detected within an identified group or cluster

# concept[].definition
A non-lesion object identified within one or more images

# concept[].extension[].valueString
Purpose of Reference for content item of value type COMPOSITE or SCOORD

# concept[].definition
Purpose of reference for a COMPOSITE content item that identifies it as the original source of evidence for another content item in the report

# concept[].extension[].valueString
Purpose of Reference for content item of value type COMPOSITE or SCOORD

# concept[].definition
Purpose of reference for an SCOORD content item that identifies the outline or bounding region of a finding or feature

# concept[].definition
The inferred type of disease associated with an identified feature

# concept[].definition
The patient orientation relative to the image plane, specified by a value that designates the anatomical direction of the positive column axis (top to bottom)

# concept[].definition
The patient orientation relative to the image plane, specified by a value that designates the anatomical direction of the positive row axis (left to right)

# concept[].extension[].valueString
Purpose of Reference for content item of value type COMPOSITE or SCOORD

# concept[].definition
Purpose of reference for an SCOORD content item that is an outline of the pectoral muscle tissue only

# concept[].definition
Percent of breast area that is mammographically dense, excluding pectoralis muscle

# concept[].definition
The likelihood that an identified finding or feature is cancerous

# concept[].definition
A location identifier based on the division of an area into four regions

# concept[].definition
A qualitative characteristic of a feature that has changed over time

# concept[].definition
The effect of the quality of an image on its usability

# concept[].definition
The quality control standard used to make a quality assessment

# concept[].definition
A specific quality related deficiency detected within an image

# concept[].definition
Recommended type of follow-up to an imaging procedure, based on interpreted results

# concept[].definition
Recommended follow-up date to an imaging procedure, based on interpreted results

# concept[].definition
Recommended follow-up interval to an imaging procedure, based on interpreted results

# concept[].definition
The recommendation of the producer of a content item regarding presentation of the content item by recipients of the report

# concept[].definition
An indication of how widespread the detection of a feature is within the analyzed image data set

# concept[].definition
A textual description of the contents of a selected region identified within an image

# concept[].definition
Date on which the acquisition of the study information was started

# concept[].definition
Time at which the acquisition of the study information was started

# concept[].definition
A group of analysis algorithms that were attempted and completed successfully

# concept[].definition
A group of detection algorithms that were attempted and completed successfully

# concept[].definition
An overall indication of whether the CAD detection algorithms applied were completed successfully

# concept[].definition
An overall indication of whether the CAD analysis algorithms applied were completed successfully

# concept[].definition
For projection radiography, the vertical physical distance measured at the front plane of an Image Receptor housing between the center of each pixel. For tomographic images, the vertical physical distance in the patient between the center of each pixel

# concept[].definition
A radiographic projection that has been with the patient lying on a table with the X-Ray source on one side of the table and the detector on the other; e.g. may describe a cross-table cervical spine, chest or pelvis X-Ray image

# concept[].definition
One of a number of discrete points on the Receiver-Operator Characteristics (ROC) curve that reflects the expected sensitivity and specificity of a CAD algorithm, where zero indicates the highest specificity, lowest sensitivity operating point. The value should not exceed the Maximum CAD Operating Point

# concept[].definition
The maximum value of CAD Operating Point for the specific CAD algorithm used

# concept[].definition
The intended interpretation of a CAD Operating Point

# concept[].definition
The number of false CAD markers per image. Correlates to inverse of Image Specificity

# concept[].definition
The number of false markers per collection of images that are CAD processed as a group. Correlates to inverse of Case Specificity

# concept[].definition
The percentage of cancers that should be detected by a CAD algorithm where CAD marks the cancers in at least one view

# concept[].definition
The percentage of cancers that should be detected by a CAD algorithm where CAD marks the cancers in each view

# concept[].definition
The percentage of cases (collections of images CAD processed as a group) without cancer that have no CAD findings whatsoever. Correlates to inverse of False Markers per Case

# concept[].definition
The percentage of images without cancer that have no CAD findings whatsoever. Correlates to inverse of False Markers per Image

# concept[].definition
The CAD operating point that is recommended for initial display by the creator of the structured report

# concept[].definition
A list of CAD operating points including their corresponding characteristics

# concept[].definition
A specific area of interest noted within an image

# concept[].definition
The surface shape of all or a portion of breast related anatomy

# concept[].definition
Image quality incorporates the following clinical image evaluation parameters: assessment of positioning, compression, artifacts, exposure, contrast, sharpness, and labeling

# concept[].definition
A finding or feature that is identified as a non-anatomic foreign object

# concept[].definition
A space-occupying lesion identified in a single image or projection

# concept[].definition
Multiple calcifications identified as occupying a small area of tissue (less than 2 cc)

# concept[].definition
Straightening or thickening of Cooper's ligaments

# concept[].definition
An abnormality noted at imaging within the dermis of the breast

# concept[].definition
An abnormality noted at imaging on the epidermis of the breast

# concept[].display
Post Procedure Mammograms for Marker Placement

# concept[].definition
An assessment category to indicate that images have been acquired to assess marker placement following a breast interventional procedure

# concept[].display
Follow-up post biopsy as directed by clinician

# concept[].definition
An indication that the patient should seek post procedural follow-up directives from a clinical health care provider

# concept[].display
Known biopsy proven malignancy - take appropriate action

# concept[].definition
A recommendation on a patient with known cancer to take steps appropriate to the diagnosis

# concept[].display
Personal history of breast cancer with mastectomy

# concept[].definition
Patient has previous diagnosis of breast cancer resulting in mastectomy

# concept[].definition
Patient has had biopsy containing proven malignancy

# concept[].definition
Patient has a finding of mass reported on a prior imaging exam

# concept[].definition
A breast imaging procedure performed on a specific area of the breast

# concept[].definition
A breast imaging procedure performed on the entire breast

# concept[].definition
A cluster of tiny anechoic foci each smaller than 2-3 mm in diameter with thin (less than 0.5 mm) intervening septations and no discrete solid components

# concept[].definition
A fluid filled mass most commonly characterized by homogeneous low-level internal echoes on ultrasound

# concept[].definition
Views not inclusive of MLO and CC (BI-RADS®)

# concept[].definition
A spot or coned down compression of the breast providing a reduction in the thickness and a magnification of the localized area of interest and improved separation of breast tissue

# concept[].definition
Use of sound waves to visualize muscles, tendons, and many internal organs, to capture their size, structure and any pathological lesions with real time tomographic images.

# concept[].definition
Obtain previous mammography studies to compare to present study

# concept[].definition
A medical procedure used for the sampling of mammary duct tissue

# concept[].definition
Follow up study at 12 months for women 40 years of age having a prior negative study and no mitigating risk factors for breast cancer

# concept[].display
Any decision to biopsy should be based on clinical assessment

# concept[].definition
Any decision to perform tissue acquisition should be based on clinical assessment

# concept[].display
Follow-up at short interval (1-11 months)

# concept[].definition
Follow-up at short interval (1-11 months)

# concept[].definition
Breast tissue acquisition following the identification of an area of concern with the placement of a needle or needle-wire assembly

# concept[].definition
Pathologic analysis of breast tissue and lesions using core tissue samples

# concept[].display
Suggestive of malignancy - take appropriate action

# concept[].definition
Lesions that do not have the characteristic morphologies of breast cancer but have a definite probability of being malignant. There is a sufficient concern to urge a biopsy

# concept[].definition
Tissue acquisition should be strongly considered

# concept[].display
Highly suggestive of malignancy - take appropriate action

# concept[].definition
Lesions have a high probability of being cancer, which require additional action

# concept[].display
Presentation Required: Rendering device is expected to present

# concept[].definition
The producer of a report intends for a recipient of the report to present or display the associated content item

# concept[].display
Presentation Optional: Rendering device may present

# concept[].definition
The producer of a report considers the presentation or display of the associated content item by a recipient to be optional

# concept[].display
Not for Presentation: Rendering device expected not to present

# concept[].definition
The producer of a report intends for a recipient of the report NOT to present or display the associated content item

# concept[].display
Target content items are related temporally

# concept[].definition
The associated content items are identified as being the same finding or feature at different points in time

# concept[].display
Target content items are related spatially

# concept[].definition
The associated content items are identified as being the same finding or feature on different projections taken at the same point in time

# concept[].display
Target content items are related contra-laterally

# concept[].definition
The associated content items are identified as being related side-to-side

# concept[].definition
There is one image in the interpreted data set

# concept[].display
Feature detected on only one of the images

# concept[].definition
There is more than one image of the same modality in the interpreted data set

# concept[].definition
There is more than one image of the same modality in the interpreted data set

# concept[].display
Feature detected on images from multiple modalities

# concept[].definition
The interpreted data set contains images from multiple modalities

# concept[].definition
The fibrous tissue replacing normal tissues destroyed by disease or injury

# concept[].definition
A medical appliance used for localization of non palpable breast lesions to insure that the proper area is removed in a surgical biopsy

# concept[].definition
A medical appliance used for regulating cardiac rhythms

# concept[].definition
A compression device used for obtaining mammographic images

# concept[].definition
A device used for restricting an X-Ray beam

# concept[].definition
An area designated on a radiographic film for facility and patient ID information

# concept[].extension[].valueString
This term may not be used in Context Group Extensions; see Section 7.2.3

# concept[].definition
The value of the concept is not specified

# concept[].definition
Image quality deficiency according to MQSA

# concept[].display
View and Laterality Marker does not have both view and laterality

# concept[].definition
Image quality deficiency according to MQCM

# concept[].display
View and Laterality Marker does not have approved codes

# concept[].definition
Image quality deficiency according to MQCM

# concept[].display
View and Laterality Marker is not near the axilla

# concept[].definition
Image quality deficiency according to MQCM

# concept[].display
View and Laterality Marker overlaps breast tissue

# concept[].definition
Image quality deficiency according to MQCM

# concept[].display
View and Laterality Marker is partially obscured

# concept[].definition
Image quality deficiency according to MQCM

# concept[].definition
Image quality deficiency according to MQCM

# concept[].display
Flash is illigible, does not fit, or is lopsided

# concept[].definition
Image quality deficiency according to MQSA

# concept[].display
Flash doesn't include patient name and additional patient id

# concept[].definition
Image quality deficiency according to MQCM

# concept[].display
Flash doesn't include date of examination

# concept[].definition
Image quality deficiency according to MQCM

# concept[].display
Flash doesn't include facility name and location

# concept[].definition
Image quality deficiency according to MQSA

# concept[].definition
Image quality deficiency according to MQCM

# concept[].definition
Image quality deficiency according to MQCM

# concept[].display
Flash doesn't include mammography unit identification

# concept[].definition
Image quality deficiency according to MQCM

# concept[].definition
Image quality deficiency according to MQCM

# concept[].definition
Image quality deficiency according to MQCM

# concept[].definition
Image quality deficiency according to MQCM

# concept[].definition
Image quality deficiency according to MQCM

# concept[].definition
Image quality deficiency according to MQCM

# concept[].display
MLO No fat is visualized posterior to fibroglandular tissues

# concept[].definition
Image quality deficiency according to MQCM

# concept[].display
MLO Poor separation of deep and superficial breast tissues

# concept[].definition
Image quality deficiency according to MQCM

# concept[].definition
Image quality deficiency according to MQCM

# concept[].definition
Image quality deficiency according to MQCM

# concept[].definition
Image quality deficiency according to MQCM

# concept[].definition
Image quality deficiency according to MQCM

# concept[].display
CC Posterior nipple line does not measure within 1 cm of MLO

# concept[].definition
Image quality deficiency according to MQCM

# concept[].definition
Image quality deficiency according to MQCM

# concept[].definition
Signals that do not faithfully reproduce actual anatomic structures because of distortion or of addition or deletion of information

# concept[].definition
Feature(s) arising from the acquisition unit's anti-scatter grid mechanism. For two-dimensional systems, such features include those of mechanically damaged or incorrectly positioned grids. For moving or Bucky grids, artifacts may result from intentional grid motion that is inadequate in duration or velocity uniformity

# concept[].definition
Inadequate arrangement of the anatomy of interest with respect to the X-Ray field and image detector sensitive area. Examples: 1) positioning is "cutoff" when the projection of anatomy of interest falls outside the sensitive area of the detector; 2) "cone cut", in which the X-Ray field does not adequately cover the anatomy of interest; 3) detector's sensitive surface is too small to cover the projection of the anatomy of interest; 4) improper angular orientation or "rotation" of anatomy of interest with respect to the X-Ray source, or detector; 5) projection of other anatomy or clothing over the anatomy of interest in the image

# concept[].definition
Unacceptable image blur resulting from motion of the anatomy of interest during exposure or the inadequately compensated motion of X-Ray source with respect to the image detector during exposure

# concept[].definition
Inadequate number of quanta reached the detector during exposure. Reasons for under exposed images include low kVp, low mAs product, excess Source Image Distance. Under exposed images have inadequate signal and higher noise in the areas of interest

# concept[].definition
An excess number of quanta reached the detector during exposure. Reasons for over exposed images include high kVp, high mAs product, short Source Image Distance. Over exposed images have high signal and lower noise in the areas of interest. Over exposed area may demonstrate lack of contrast from over saturation of the detector

# concept[].definition
Superposed features or flaws of the detector

# concept[].display
Artifact(s) other than grid or detector artifact

# concept[].definition
Features or discontinuities arising from causes other than the anti-scatter grid and image detector

# concept[].definition
Failure of the device to operate according to mechanical design specifications

# concept[].definition
Failure of a device to operate according to electrical design specifications

# concept[].definition
Attributable to software used in generation or handling of image

# concept[].definition
Images processed inappropriately, not following appropriate protocol

# concept[].definition
Failure that is not mechanical or electrical or otherwise described

# concept[].definition
Unidentified or unknown cause of failure

# concept[].definition
The attempted process was completely successful

# concept[].definition
The attempted process succeeded in some ways, but failed in others

# concept[].display
Individual Impression / Recommendation Analysis

# concept[].definition
Analysis of a related group of findings or features detected during image data inspection, to produce a summary impression and/or recommendation

# concept[].display
Overall Impression / Recommendation Analysis

# concept[].definition
Analysis of all groups of findings or features, to produce a single impression and/or recommendation

# concept[].display
Unusable - Quality renders image unusable

# concept[].definition
The usability of an image for diagnostic interpretation or CAD, based on a quality control standard

# concept[].display
Usable - Does not meet the quality control standard

# concept[].definition
The usability of an image for diagnostic interpretation or CAD, based on a quality control standard

# concept[].display
Usable - Meets the quality control standard

# concept[].definition
The usability of an image for diagnostic interpretation or CAD, based on a quality control standard

# concept[].display
Mammography Quality Control Manual 1999, ACR

# concept[].definition
An image quality control standard specified by the American College of Radiology

# concept[].definition
An image quality control standard in the US Code of Federal Regulations

# concept[].display
Institutionally defined quality control standard

# concept[].definition
An image quality control standard specified or adopted by the institution responsible for the document

# concept[].display
All algorithms succeeded; without findings

# concept[].definition
No findings resulted upon successful completion of all attempted computer-aided detection and/or analysis

# concept[].definition
One or more findings resulted upon successful completion of all attempted computer-aided detection and/or analysis

# concept[].display
Not all algorithms succeeded; without findings

# concept[].definition
No findings resulted from the attempted computer-aided detection and/or analysis, but one or more failures occurred in the process

# concept[].display
Not all algorithms succeeded; with findings

# concept[].definition
One or more findings resulted from the attempted computer-aided detection and/or analysis, but one or more failures occurred in the process

# concept[].display
No algorithms succeeded; without findings

# concept[].definition
All of the attempted computer-aided detection and/or analysis failed, so there could be no findings

# concept[].definition
A benign tumor having glandular characteristics but composed of fat, with the presence of normal mammary ducts

# concept[].definition
Hyperplasia is also known as epithelial hyperplasia or proliferative breast disease. It's an overgrowth of the cells that line the ducts or the lobules. Based on how the cells look under a microscope, the hyperplasia is called either ductal hyperplasia (also called duct epithelial hyperplasia) or lobular hyperplasia. Based on the pattern of the cells, hyperplasia may be called usual or atypical. In usual hyperplasia, the pattern of cells is very close to normal. Atypical hyperplasia (or hyperplasia with atypia) is a term used when the cells are more distorted. FROM: http://www.cancer.org/healthy/findcancerearly/womenshealth/non-cancerousbreastconditions/non-cancerous-breast-conditions-hyperplasia

# concept[].definition
Neoplasms composed of myoepithelial cells

# concept[].definition
Axillary node that is normal in appearance with no associated pathology

# concept[].definition
Excessive proliferation of normal tissue arrangement of the axillary node

# concept[].definition
Cyst with benign morphology containing blood

# concept[].definition
Calcifications having typically benign morphology. They are not of intermediate or high probability of concern for malignancy

# concept[].definition
Growing within a cystic adenoma, filling the cavity with a mass of branching epithelial processes

# concept[].definition
Adenoma located in mammary duct, present as discrete sclerotic nodules, solitary or multiple

# concept[].definition
The occurrence of fibrous tumor-forming stromal proliferation in patients with diabetes mellitus

# concept[].definition
A deep seated firm tumor frequently occurring on the chest consisting of collagenous tissue that infiltrates surround muscle; frequently recurs but does not metastasize

# concept[].definition
A cyst formed of a mass of epithelial cells, as a result of trauma has been pushed beneath the epidermis. The cyst is lined with squamous epithelium and contains concentric layers or keratin

# concept[].definition
Excessive proliferation of fibroadenoma tissue

# concept[].definition
A lipoma with an abundant stroma of fibrous tissue

# concept[].definition
Retention cyst caused by occlusion of a lactiferous duct

# concept[].definition
A congenital anomaly that leads to a proliferation of blood vessels leading to a mass that resembles a neoplasm, not located in parenchymal areas but subcutaneous

# concept[].definition
Hyperplasia is also known as epithelial hyperplasia or proliferative breast disease. It's an overgrowth of the cells that line the ducts or the lobules. Based on how the cells look under a microscope, the hyperplasia is called either ductal hyperplasia (also called duct epithelial hyperplasia) or lobular hyperplasia. FROM: http://www.cancer.org/healthy/findcancerearly/womenshealth/non-cancerousbreastconditions/non-cancerous-breast-conditions-hyperplasia

# concept[].definition
A form of fibrocystic disease in young woman with florid and sclerosing adenosis that microscopically may suggest carcinoma

# concept[].definition
Enlarging masses during lactation. A circumscribed benign tumor composed primarily of glandular structures with scanty stroma, with prominent secretory changes in the duct

# concept[].definition
Changes related to the process of lactation

# concept[].definition
A papilloma pertaining to large mammary duct

# concept[].definition
Solitary or multiple tumors of muscles and fibrous tissues, or tumors composed of myofibroblasts

# concept[].definition
Irregular clusters of small tubules are present in adipose or fibrous tissue, resembling tubular carcinoma but lacking stromal fibroblastic proliferation

# concept[].definition
Papilloma typically involving an aggregate of adjacent ducts in the periphery of the breast, likely representing involvement of several foci of one or two duct systems

# concept[].definition
Condition in which there are tumors of various sizes on peripheral nerves. They may be neuromas or fibromas

# concept[].definition
A cyst resulting from the loss of the epithelial lining of a sebaceous dermoid or lacteal cyst

# concept[].definition
Breast tissue with characteristics of a benign nature, following breast reduction surgery

# concept[].definition
A benign stromal lesion composed of intermixed stromal and epithelial elements. The lobular and duct structures of the breast parenchyma are separated by an increased amount of stroma, non specific proliferative epithelial changes include hyperplasia of duct and lobular epithelium often with accentuation of myoepithelial cells and aprocine metaplasia with or without cyst formation

# concept[].definition
An nonencapsulated stellate lesion consisting of a fibroelastic core and radiating bands of fibrous connective tissue containing lobules manifesting adenosis and ducts with papillary or diffuse intraductal hyperplasia

# concept[].definition
Prominent interductal fibrosis of the terminal ductules

# concept[].definition
Nodular inflammatory lesions due to the presence of silicone in the breast tissue

# concept[].definition
Spontaneous excessive proliferation of breast tissue, usually found in younger women

# concept[].definition
Papilloma(s) pertaining the peripheral ducts

# concept[].definition
Axillary node with lymphoid tissue neoplasm

# concept[].definition
A malignant neoplasm occurring most often in breast and skin, believed to originate from endothelial cells of blood vessels, microscopically composed of closely packed round or spindle shaped cells, some of which line small spaces resembling vascular clefts

# concept[].definition
Histological changes to the vascular system related to an invasive process

# concept[].definition
Carcinoma of the breast found in patients less than 20 years of age

# concept[].definition
A carcinoma found in supernumerary breasts and aberrant breast tissue

# concept[].definition
A carcinoma that synthesizes substances, including hormones, not considered to be normal products of the breast

# concept[].definition
A basal cell carcinoma that arises in the nipple of the breast

# concept[].definition
Metaplastic carcinoma is cancer that begins in cells that have changed into another cell type (for example, a squamous cell of the esophagus changing to resemble a cell of the stomach). In some cases, metaplastic changes alone may mean there is an increased chance of cancer developing at the site. Metaplastic carcinoma is a relatively uncommon type of cancer with treatment generally similar to that of invasive ductal carcinoma of no special type.[1] FROM: https://en.wikipedia.org/wiki/Metaplastic_carcinoma

# concept[].definition
Carcinoma of the breast presenting during pregnancy or lactation

# concept[].definition
A malignant neoplasm that contains elements of carcinoma and sarcoma, so extensively intermixed as to indicate neoplasia of epithelial and mesenchymal tissue

# concept[].definition
Comedocarcinoma of a duct with areas of necrotic tissue

# concept[].definition
A non-invasive carcinoma restricted to the glandular lumen characterized by less aggressive malignant cytologic features and behavior

# concept[].definition
Papillary and micropapillary Ductal Carcinoma In Situ (DCIS): the cancer cells arrange themselves in a fern-like pattern within the affected breast ducts; micropapillary DCIS cells are smaller than papillary DCIS cells. FROM: http://www.imaginis.com/breast-cancer-diagnosis/ductal-carcinoma-in-situ-dcis-3

# concept[].definition
A malignant neoplasm characterized by the formation of numerous, irregular, finger-like projections of fibrous stroma that is covered with a surface layer of neoplastic epithelial cells found in a cyst

# concept[].definition
Carcinoma with both characteristics of localized and spreading disease

# concept[].definition
Invasive lobular carcinoma is a type of breast cancer that begins in the milk-producing glands (lobules) of the breast. Invasive cancer means the cancer cells have broken out of the lobule where they began and have the potential to spread to the lymph nodes and other areas of the body. Invasive lobular carcinoma typically doesn't form a lump, which is common in breast cancer. Instead, there is a change in the breast that feels like a thickening or fullness in one part of the breast and is different from the surrounding breast tissue. FROM: http://www.mayoclinic.org/diseases-conditions/invasive-lobular-carcinoma/basics/definition/con-20033968

# concept[].definition
Mammary infiltrates as a secondary manifestation in patients with established leukemia

# concept[].definition
Histological changes to the lymphatic system related to an invasive process

# concept[].definition
A heterogeneous group of neoplasms arising in the reticuloendoethelial and lymphatic systems

# concept[].display
Occult carcinoma presenting with axillary lymph node metastases

# concept[].definition
A small carcinoma, either asymptomatic or giving rise to metastases without symptoms due to the primary carcinoma presenting with metastatic disease in the axillary lymph nodes

# concept[].definition
A malignant lesion in the breast with morphologic patterns not typical of breast carcinoma arising from a non-mammary malignant neoplasm

# concept[].display
Metastatic cancer to the breast from the colon

# concept[].definition
A malignant lesion in the breast with morphologic patterns not typical of breast carcinoma arising from a neoplasm in the colon

# concept[].display
Metastatic cancer to the breast from the lung

# concept[].definition
A malignant lesion in the breast with morphologic patterns not typical of breast carcinoma arising from a neoplasm in the lung

# concept[].definition
A malignant lesion in the breast with morphologic patterns not typical of breast carcinoma arising from a melanoma

# concept[].display
Metastatic cancer to the breast from the ovary

# concept[].definition
A malignant lesion in the breast with morphologic patterns not typical of breast carcinoma arising from a neoplasm in the ovary

# concept[].definition
A malignant lesion in the breast with morphologic patterns not typical of breast carcinoma arising from a sarcoma

# concept[].definition
Multiple foci of non-invasive carcinoma restricted to the glandular lumen

# concept[].definition
A malignant lesion in an axillary node arising from a non-axillary neoplasm

# concept[].definition
Pleomorphic undifferentiated sarcoma (abbreviated PUS), also undifferentiated pleomorphic sarcoma and previously malignant fibrous histiocytoma (abbreviated MFH), is a type of soft tissue sarcoma. FROM: https://en.wikipedia.org/wiki/Pleomorphic_undifferentiated_sarcoma

# concept[].display
Metastasis to an intramammary lymph node

# concept[].definition
A malignant lesion in a intramammary lymph node arising from a non-intramammary lymph node neoplasm

# concept[].definition
A malignant melanoma of the skin that arises in the nipple of the breast

# concept[].definition
Papillary and micropapillary Ductal Carcinoma In Situ (DCIS): the cancer cells arrange themselves in a fern-like pattern within the affected breast ducts; micropapillary DCIS cells are smaller than papillary DCIS cells. FROM: http://www.imaginis.com/breast-cancer-diagnosis/ductal-carcinoma-in-situ-dcis-3

# concept[].definition
Squamous cell carcinoma to the terminal portion of the alveolar

# concept[].definition
A non-invasive carcinoma restricted to the glandular lumen characterized by more aggressive malignant cytologic features and behavior

# concept[].definition
Invasive tumor with cribriform pattern similar to cribriform DCIS. Low grade, cribriform appearance (well defined spaces formed by arches of cells) similar to cribriform DCIS but with larger cells, more cytoplasm and more vesicular nuclei: Tumor cells are small, often have apical snouts, mild/moderate nuclear pleomorphism; Also stromal invasion by islands of cells, often angulated; May have predominantly solid appearance; Associated with cribriform DCIS; Often mixed with tubular carcinoma. FROM: http://www.pathologyoutlines.com/topic/breastmalignantcribriform.html

# concept[].definition
An indication that some or all of the margin of a lesion has sharp corners, often forming acute angles

# concept[].definition
Calcifications that vary in sizes and shapes and are usually smaller than0.5 mm in diameter

# concept[].definition
Coarse calcifications that are 0.5 mm or greater in size

# concept[].definition
An indicator that calcifications are imbedded within a mass

# concept[].definition
An indicator that calcifications are imaged outside of a mass finding

# concept[].definition
Tissue composition of the breast noted on sonography

# concept[].definition
Fat lobules and uniformly echogenic bands of supporting structures comprise the bulk of breast tissue

# concept[].definition
A uniformly echogenic layer of fibroglandular tissue is seen beneath a thin layer of subcutaneous fat

# concept[].definition
The breast texture is characterized by multiple small areas of increased and decreased echogenicity

# concept[].definition
Referential relationship of the finding to the imaging device as noted on sonography

# concept[].definition
The long axis of a lesion parallels the skin line ("wider-than-tall" or in a horizontal orientation)

# concept[].definition
The anterior-posterior or vertical dimension is greater than the transverse or horizontal dimension

# concept[].definition
The lesion boundary describes the transition zone between themas and the surrounding tissue

# concept[].definition
The sharp demarcation between the lesion and surrounding tissue can be imperceptible or a distinct well-defined echogenic rim of any thickness

# concept[].definition
There is no sharp demarcation between the mass and the surrounding tissue, which is bridged by an echogenic transition zone

# concept[].definition
An imaging characteristic of resonance noted during sonography

# concept[].definition
Having increased echogenicity relative to fat or equal to fibroglandular tissue

# concept[].definition
Mass contains both anechoic and echogenic components

# concept[].definition
Defined relative to fat; masses are characterized by low-level echoes throughout; e.g. appearance of a complicated cyst or fibroadenoma

# concept[].definition
Having the same echogenicity as fat (a complicated cyst or fibroadenoma may be isoechoic or hypoechoic)

# concept[].definition
The attenuation characteristics of a mass with respect to its acoustic transmission

# concept[].definition
Decreased posterior echoes; edge shadows are excluded

# concept[].display
Combined posterior enhancement and shadowing

# concept[].definition
More than one pattern of posterior attenuation, both shadowing and enhancement

# concept[].display
Identifiable effect on surrounding tissues

# concept[].definition
Sonographic appearance of adjacent structures relative to a mass finding

# concept[].definition
Characterization of vascularization in region of interest

# concept[].definition
Vascularity not evident, such as on ultrasound

# concept[].definition
Vascularity on imaging is seen within a lesion

# concept[].display
Vascularity present immediately adjacent to lesion

# concept[].definition
Vascularity on imaging is seen immediately adjacent to a lesion

# concept[].display
Diffusely increased vascularity in surrounding tissue

# concept[].definition
Vascularity on imaging is considered diffusely elevated within the surrounding breast tissue

# concept[].definition
Relationship of the new anomaly to other clinical or imaging anomalies

# concept[].definition
An indication that the current imaging finding relates to a finding from a clinical breast exam

# concept[].definition
An indication that the current imaging finding relates to a finding from a mammography exam

# concept[].definition
An indication that the current imaging finding relates to a finding from a breast MRI exam

# concept[].definition
An indication that the current imaging finding relates to a finding from a breast ultrasound exam

# concept[].definition
An indication that the current imaging finding relates to a finding from an imaging exam

# concept[].display
No correlation to other imaging findings

# concept[].definition
An indication that the current imaging finding has no relation to findings from any other imaging exam

# concept[].definition
An indication that the current imaging finding has no relation to any other clinical findings

# concept[].definition
Classification of the cancer as invasive, DCIS, or other

# concept[].definition
A malignancy that has spread beyond an area of focus

# concept[].definition
A breast cancer with malignant pathology findings that are not classified as invasive or in situ

# concept[].definition
In the first week of the menstrual cycle phase, that is, one week following menses

# concept[].definition
In the second week of the menstrual cycle phase, that is, two weeks following menses

# concept[].definition
In the third week of the menstrual cycle phase, that is, three weeks following menses

# concept[].definition
An event occurred less than 3 months ago

# concept[].definition
An event occurred between 4 months and 1 year ago

# concept[].definition
An event occurred longer than 1 year ago

# concept[].definition
Report title for the diagnostic report for one or more breast imaging or intervention procedures

# concept[].definition
Concept name for the description of why a procedure has been performed

# concept[].definition
A finding during clinical examination (i.e., history and physical examination) such as pain, palpable mass or discharge

# concept[].definition
First screening mammogram taken for patient that is used as a comparison baseline for further examinations

# concept[].definition
First mammogram taken for a patient without regard to whether it was for screening or a diagnostic procedure

# concept[].definition
Concept name for the material of which a breast prosthetic device is constructed

# concept[].definition
A numeric count of findings classified as similar in nature

# concept[].definition
Concept name for the status of a breast prosthetic device as noted by imaging

# concept[].definition
Mammogram using a digital image acquisition system

# concept[].definition
Computer aided detection and/or computer aided diagnosis for mammography

# concept[].definition
Concept name for a text-based section of a report

# concept[].definition
A title for a report section that summarizes all interpretation results for a report with one overriding assessment; e.g. benign or negative

# concept[].definition
Concept name for a collection of supporting evidence for a report

# concept[].display
Additional evaluation requested from prior study

# concept[].definition
Prior study indicates that additional imaging be performed to further evaluate a suspicious or questionable anatomic region

# concept[].display
Follow-up at short interval from prior study

# concept[].definition
The prior study recommended a follow-up breast imaging exam in 1 to 11 months (generally in 6 months)

# concept[].display
History of breast augmentation, asymptomatic

# concept[].definition
Prior breast augmentation (breast enlargement) and is not presenting with any symptoms

# concept[].definition
Review or second opinion made on an image performed outside of the facility

# concept[].display
Additional evaluation requested from abnormal screening exam

# concept[].definition
Additional breast imaging performed at the time of the patient's screening mammogram

# concept[].definition
Patient has had previous benign breast biopsies

# concept[].display
Personal history of breast cancer with breast conservation therapy

# concept[].definition
Patient has had a prior surgery such as a lumpectomy or quadrantectomy to remove malignant breast tissue, but breast tissue remains

# concept[].definition
The results of a physical examination performed on the patient, possibly including the results of inspection, palpation, auscultation, or percussion

# concept[].definition
The result of assessing the current imaging exam in comparison to previous imaging exams

# concept[].definition
An abnormality observed during ductography where the ductal system within the breast fills in an abnormal pattern. Ductography is an imaging exam in which a radio opaque contrast media is introduced into the ductal system of the breast through the nipple and images of the ductal system are obtained

# concept[].definition
During ductography an observation of more than one filling abnormality within the breast ductal system

# concept[].definition
An abnormality observed during ductography where the ductal system within the breast terminates in an unusual fashion

# concept[].definition
Abnormal flowage of contrast media within the breast noted on ductography

# concept[].definition
An abnormality observed during ductography where the ductal system within the breast appears narrow

# concept[].definition
During ductography an observation of the contrast media filling a cyst within the breast

# concept[].definition
The area and line within the anatomy through which a needle or instrument passes during an interventional procedure

# concept[].definition
The line within the anatomy from the lower outer to the upper inner aspect; e.g. through which a needle or instrument passes in an interventional procedure

# concept[].definition
The line within the anatomy from the lower inner to the upper outer aspect; e.g. through which a needle or instrument passes in an interventional procedure

# concept[].definition
The line within the anatomy from the upper outer to the lower inner aspect; e.g. through which a needle or instrument passes in an interventional procedure

# concept[].definition
The line within the anatomy from the upper inner to the lower outer aspect; e.g. through which a needle or instrument passes in an interventional procedure

# concept[].definition
The number of times a biopsy instrument is passed through an area of interest

# concept[].definition
The number of biopsy specimens obtained from an interventional procedure

# concept[].definition
An indicator of whether or not a biopsy or localizing needle in an interventional procedure is seen to be in the area of interest

# concept[].definition
The number of localizing needles placed around the area of interest in an interventional procedure

# concept[].definition
An indicator of whether or not an incision was made in the anatomy during an interventional procedure

# concept[].definition
An indicator of whether or not a radio opaque microclip was placed in the anatomy during an interventional procedure

# concept[].definition
An indicator of the degree of success of an interventional procedure

# concept[].display
Target completely contained in the specimen

# concept[].definition
An indicator that during an interventional procedure the area of interest was fully excised and is noted in the resultant biopsy specimen

# concept[].display
Target partially obtained in the specimen

# concept[].definition
An indicator that during an interventional procedure the area of interest was partially excised and is noted in the resultant biopsy specimen

# concept[].definition
An indicator that following an interventional procedure the area of interest is not seen in the resultant biopsy specimen

# concept[].definition
An indicator that following an interventional procedure the targeted calcifications are noted in the resultant biopsy specimen

# concept[].definition
An indicator that during an interventional procedure the area of interest was fully excised and is noted in the resultant biopsy specimen

# concept[].definition
An indicator that during an interventional procedure the area of interest was partially excised and is noted in the resultant biopsy specimen

# concept[].definition
An indicator that during an interventional procedure fluid was successfully aspirated

# concept[].definition
Color that is tinged with the color of blood

# concept[].definition
An indicator of whether or not the fluid obtained during an interventional procedure contains red blood cells

# concept[].definition
An indicator of whether or not fluid during an interventional procedure was sent for cytological analysis or simply discarded

# concept[].definition
An indicator that fluid obtained during an interventional procedure was sent to a laboratory for analysis

# concept[].definition
An indicator that fluid obtained during an interventional procedure was discarded

# concept[].definition
A radiopaque density noted during diagnostic imaging that has associated calcific densities

# concept[].definition
A fluid-filled sac with greater than normal characteristics

# concept[].definition
Supporting evidence for interpretation results of an interventional procedure

# concept[].definition
A descriptor that further qualifies or characterizes a type of procedure

# concept[].definition
Needle size (diameter) characterization; e.g. of a biopsy needle

# concept[].definition
An indicator of the gravity of a problem experienced by a patient, related to a procedure that was performed

# concept[].definition
Distance from the hub or bushing to the tip of the needle

# concept[].definition
The collection of observations and findings from pathologic analysis

# concept[].definition
The date and time that the sample was collected from the patient

# concept[].definition
Indicates that the margin of the biopsy specimen was not involved with the tumor

# concept[].definition
Indicates that the margin of the biopsy specimen was involved with the tumor

# concept[].definition
Indicates whether the nipple was involved in an interventional procedure or pathologic analysis

# concept[].definition
Indicates the number of lymph nodes removed

# concept[].definition
Indicates the number of lymph nodes removed that contain cancer cells

# concept[].definition
The result of a test for the presence of a protein that binds with estrogen

# concept[].definition
The result of a test for the presence of a protein that binds with progesterone

# concept[].definition
Indicates the percentage of cells in S phase. Cell division is defined by phases; the S phase is the stage during which DNA replicates

# concept[].definition
The visible emission of non-bloody fluid from the nipple

# concept[].definition
The inability to discern normal versus abnormal breast tissue during palpation

# concept[].definition
An indication that a patient has or had a malignant occurrence in an area of the body other than the breast

# concept[].definition
A salt water filled prosthetic device implanted in the breast

# concept[].definition
A polymer based (plastic) prosthetic device implanted in the breast

# concept[].definition
The introduction of polymeric organic silicon based material through the skin, as for breast augmentation or reconstruction

# concept[].definition
A prosthetic device that contains more than one material implanted in the breast

# concept[].definition
A breast implant placed in front of the pectoralis major muscle

# concept[].definition
A breast implant placed behind the pectoralis major muscle

# concept[].definition
Using X-Ray technique and a superimposed set of crossed lines for detection or placement

# concept[].definition
Using X-Ray technique and a superimposed aperture for detection or placement

# concept[].definition
Using physical touch for detection or placement

# concept[].definition
The performance of a biopsy procedure using a vacuum device attached to the biopsy needle

# concept[].definition
Having experienced no adverse medical conditions related to or resulting from an interventional procedure

# concept[].definition
TNM grouping of tumor stage, from AJCC, where primary tumor is Tis, regional lymph node is N0, and distant metastasis is M0

# concept[].definition
TNM grouping of tumor stage, from AJCC, where primary tumor is T1, regional lymph node is N0, and distant metastasis is M0

# concept[].definition
TNM grouping of tumor stage, from AJCC, where primary tumor is T0 or T1, with regional lymph node N1 and distant metastasis is M0, or T2 with N0 and M0

# concept[].definition
TNM grouping of tumor stage, from AJCC, where primary tumor is T2, with regional lymph node N1 and distant metastasis is M0, or T3 with N0 and M0

# concept[].definition
TNM grouping of tumor stage, from AJCC, where primary tumor is T0, T1 or T2, with regional lymph node N2 and distant metastasis is M0, or T3 with N1 or N2 and M0

# concept[].definition
TNM grouping of tumor stage, from AJCC, where primary tumor is T4, regional lymph node is N0, N1 or N2, and distant metastasis is M0

# concept[].definition
TNM grouping of tumor stage, from AJCC, where primary tumor is any T value, regional lymph node is N3, and distant metastasis is M0

# concept[].definition
TNM grouping of tumor stage, from AJCC, where primary tumor is any T value, regional lymph node is any N value, and distant metastasis is M1

# concept[].definition
Histologic tumor grade (sometimes called Scarff-Bloom-Richardson grade) is based on the arrangement of the cells in relation to each other -- whether they form tubules, how closely they resemble normal breast cells (nuclear grade) and how many of the cancer cells are in the process of dividing (mitotic count)

# concept[].definition
Breast prosthetic devices are intact, not leaking, and are in a normal shape and form

# concept[].definition
Breast prosthetic devices are not symmetric, equal, corresponding in form, or are in one breast (unilateral)

# concept[].definition
Fibrous or calcific contracture of the tissue capsule that forms around a breast prosthetic device

# concept[].definition
Breast prosthetic device is twisted out of normal shape or form

# concept[].definition
Silicone from breast prosthetic device found in lymphatic tissue

# concept[].definition
Silicone found in breast tissue outside of the prosthetic capsule or implant membrane

# concept[].definition
Protrusion of part of the structure normally encapsulating the content of the breast prosthetic device

# concept[].definition
Evidence of removal of a breast prosthetic device

# concept[].display
Relevant Patient Information for Breast Imaging

# concept[].definition
Historical patient health information of interest to the breast health clinician

# concept[].definition
Information regarding usage by the patient of certain medications, such as hormones

# concept[].definition
Interventional or non-interventional procedures previously performed on the patient, such as breast biopsies

# concept[].definition
Abnormal conditions experienced by the patient that serve as the reason for performing a procedure, such as a breast exam

# concept[].definition
Personal, familial, and other health factors that may indicate an increase in the patient's chances of developing a health condition or disease, such as breast cancer

# concept[].definition
A classification of a medicinal substance, such as hormonal contraceptive or antibiotic

# concept[].definition
Historical patient health information for general purpose use

# concept[].display
Age when first menstrual period occurred

# concept[].definition
The age of the patient at the first occurrence of menses

# concept[].definition
The age of the patient at the time of her first full term pregnancy

# concept[].definition
The age of the patient at the cessation of menses

# concept[].definition
The age of the patient at the time her uterus was removed

# concept[].definition
The age of the patient at the time she had her left ovary removed

# concept[].definition
The age of the patient at the time she had her right ovary removed

# concept[].definition
The age of a patient on the first occurrence of an event, such as the first use of a medication

# concept[].definition
The age of a patient on the last occurrence of an event, such as the last use of a medication

# concept[].definition
The date and time of the first occurrence of an event, such as the first use of a medication

# concept[].definition
The date and time of the last occurrence of an event, such as the last use of a medication

# concept[].definition
An indicator of whether an event is still in progress, such as the use of a medication or substance, or environmental exposure

# concept[].definition
Product name of a device or substance, such as medication, to identify it as the product of a single firm or manufacturer

# concept[].definition
A descriptor that further qualifies or characterizes a risk factor

# concept[].definition
A prior non-interventional exam or interventional procedure performed on a patient

# concept[].definition
Describes the pregnancy state of a referenced subject

# concept[].definition
A symptom experienced by a patient that is used as the reason for performing an exam or procedure

# concept[].definition
The function of the individual who is reporting information on a patient, which could be a specific health care related profession, the patient him/herself, or a relative or friend

# concept[].definition
The date and time that a symptom was noted

# concept[].definition
The date and time of the most recent evaluation of an indicated problem

# concept[].definition
A patient's biological relative who exhibits a health factor that may indicate an increase in the patient's chances of developing a particular disease or medical problem

# concept[].definition
The age at which an individual experienced a specific event, such as breast cancer

# concept[].definition
The current stage of an individual in her gynecological development

# concept[].definition
An indicator of paternal or maternal relationship

# concept[].definition
A gynecological hormone for which the specific type is not specified; e.g. contraceptive, estrogen, Tamoxifen

# concept[].definition
An indicator of whether or not a patient ever provided breast milk to her offspring

# concept[].definition
The average length of time that a patient provided breast milk to her offspring

# concept[].definition
Information regarding usage by the patient of certain legal or illicit substances

# concept[].definition
A classification of a substance, such as alcohol or a legal or illicit drug

# concept[].definition
Information regarding exposure of the patient to potentially harmful environmental factors

# concept[].definition
A classification of a potentially harmful substance or gas in a subject's environment, such as asbestos, lead, or carcinogens

# concept[].definition
Previous Structured Reports that could have relevant information for a current imaging service request

# concept[].definition
An indication that a patient has had a previous malignancy of the breast

# concept[].definition
Indicates a previous occurrence of cancer of the lining of the uterus

# concept[].definition
Indicates a previous occurrence of cancer of the lining of the ovary

# concept[].display
History of high risk lesion on previous biopsy

# concept[].definition
Indicates a prior diagnosis of pre-cancerous cells or tissue removed for pathologic evaluation

# concept[].definition
A female patient whose menstrual periods have ceased

# concept[].definition
A female patient whose first child was born after the patient was 30 years old

# concept[].definition
The first level genetic marker indicating risk for breast cancer

# concept[].definition
The second level genetic marker indicating risk for breast cancer

# concept[].definition
The third level genetic marker indicating risk for breast cancer

# concept[].definition
A patient's biological aunt, grandmother, or female cousin was diagnosed with breast cancer. Definition from BI-RADS®

# concept[].display
Intermediate family history of breast cancer

# concept[].definition
A patient's biological mother or sister was diagnosed with breast cancer after they had gone through menopause. Definition from BI-RADS®

# concept[].display
Very strong family history of breast cancer

# concept[].definition
A patient's biological mother or sister was diagnosed with breast cancer before they had gone through menopause, or more than one of the patient's first-degree relatives (biological mother or sister) were diagnosed with breast cancer after they had gone through menopause. Definition from BI-RADS®

# concept[].definition
Previous diagnosis of a malignancy of the prostate gland in a biological relative

# concept[].definition
The health record of a patient's biological relatives is not known

# concept[].definition
The study of cells obtained from fluid emitted from the breast

# concept[].definition
A developmental abnormality resulting in an abnormal shape of the uterus

# concept[].definition
A naturally occurring premature expulsion from the uterus of the products of conception - the embryo or a nonviable fetus

# concept[].definition
An ailment/abnormality or state of the female reproductive tract

# concept[].definition
A surgical operation performed on any portion of the female reproductive tract

# concept[].definition
Prior pregnancy with a low birth weight baby or a fetus with Intrauterine Growth Restriction or Retardation

# concept[].definition
History of at least one prior pregnancy with fetal anatomic abnormality(s)

# concept[].display
Previous RH negative or blood dyscrasia at birth

# concept[].definition
History of delivering a Rhesis Isoimmunization affected child(ren) or a child(ren) with another blood disorder

# concept[].definition
History of at least one pregnancy that contained more than one fetus; e.g. twins, triplets, etc.

# concept[].definition
At least one fetus of this pregnancy has an anatomic abnormality(s) that is known to exist, or a "marker" is present that suggests the abnormality(s) may be present

# concept[].definition
Biological relatives have previously conceived a fetus with an anatomic abnormality(s)

# concept[].definition
A subjective descriptor for an elevated amount of exposure, use, or dosage, incurring high risk of adverse effects

# concept[].definition
A subjective descriptor for a moderate amount of exposure, use, or dosage, incurring medium risk of adverse effects

# concept[].definition
A subjective descriptor for a limited amount of exposure, use, or dosage, incurring low risk of adverse effects

# concept[].definition
A measurement of the rate of occurrence of which a patient takes a certain medication

# concept[].definition
The quantity per unit of time that a patient was or is being exposed to an environmental irritant

# concept[].definition
The quantity per unit of time that a medication or substance was or is being used

# concept[].definition
A qualitative descriptor for the amount of a medication that was or is being taken

# concept[].definition
A qualitative descriptor for the amount of present or past exposure to an environmental irritant

# concept[].definition
A qualitative descriptor for the amount of a medication or substance that was or is being used

# concept[].definition
A qualitative descriptor for the frequency with which a medication was or is being taken

# concept[].definition
A qualitative descriptor for the frequency of present or past exposure to an environmental irritant

# concept[].definition
A qualitative descriptor for the frequency with which a medication or substance was or is being used

# concept[].definition
Patient is not known to have been exposed to or used the substance or medication

# concept[].definition
Patient returns for additional images to improve the quality of the most recent exam

# concept[].definition
Patient returns for additional images to clarify findings from the most recent exam

# concept[].display
Recall for patient symptoms/ clinical findings

# concept[].definition
Patient returns for additional images to clarify symptoms or signs reported by the patient or a healthcare professional at the time of the most recent exam

# concept[].definition
Number of births with low birth weight or intrauterine growth restriction

# concept[].definition
Filter that transmits green light while blocking the other colors, typically centered at 510-540 nm

# concept[].definition
Filter that transmits red light while blocking the other colors, typically centered at 630-680 nm

# concept[].definition
Filter that transmits blue while blocking the other colors, typically centered at 460-480 nm

# concept[].definition
A filter of 560nm that is used for retinal imaging and can provide good contrast and good visibility of the retinal vasculature

# concept[].definition
A filter of 490nm that is used for retinal imaging because of excessive scattering of some retinal structures at very short wavelengths

# concept[].definition
Filter that transmits the infrared spectrum, which is light that lies outside of the visible spectrum, with wavelengths longer than those of red light, while blocking visible light

# concept[].definition
A filter that reduces reflections from non-metallic surfaces such as glass or water by blocking light waves that are vibrating at selected angles to the filter

# concept[].definition
Joslin NM-1 is a 45 degree field focused centrally between the temporal margin of optic disc and the center of the macula: Center the camera on the papillomacular bundle midway between the temporal margin of the optic disc and the center of the macula. The horizontal centerline of the image should pass directly through the center of the disc

# concept[].definition
Joslin NM-2 is a 45 degree field focused superior temporal to the optic disc: Center the camera laterally approximately one-half disc diameter temporal to the center of the macula. The lower edge of the field is tangent to a horizontal line passing through the upper edge of the optic disc. The image is taken temporal to the macula but includes more retinal nasal and superior to the macula than standard field 2

# concept[].definition
Joslin NM-3 is a 45 degree field focused nasal to the optic disc: This field is nasal to the optic disc and may include part of the optic disc. The horizontal centerline of the image should pass tangent to the lower edge of the optic disc

# concept[].definition
A broad or "soft" light supplied from a single source

# concept[].definition
A slit reflected light microscope, which has the ability to form an image of the back scattered light from the eye in a sagittal plane. Scheimpflug cameras are able to achieve a wide depth of focus by employing the "Sheimpflug principle" where the lens and image planes are not parallel with each other. Rotating Sheimplug cameras are able to generate three-dimensional images and calculate measurements of the anterior chamber of the eye

# concept[].definition
Lighting condition approximately 0.04 lux

# concept[].definition
Calculated from values of entrance exposure in air, the X-Ray beam quality (half-value layer), and compressed breast thickness, is the energy deposited per unit mass of glandular tissue averaged over all the glandular tissue in the breast

# concept[].definition
The primary material in the anode of an X-Ray source

# concept[].definition
The average thickness of the body part examined when compressed, if compression has been applied during X-Ray exposure

# concept[].definition
Thickness of Aluminum required to reduce the X-Ray output at the patient entrance surface by a factor of two

# concept[].definition
An anti-scatter device based on radiation absorbing strips above the detector; e.g. in the patient support

# concept[].definition
Exposure measurement in air at the reference point that does not include back scatter, according to MQCM 1999

# concept[].definition
Average Glandular Dose to a single breast accumulated over multiple images

# concept[].definition
Value of the control variable used to parametrize the Automatic Exposure Control (AEC) closed loop; e.g. "Water Value"

# concept[].definition
An X-Ray Grid that does not move during exposure

# concept[].definition
An X-Ray Grid with radiation absorbing strips that are focused toward the focal spot, to eliminate grid cutoff

# concept[].definition
An X-Ray Grid that is designed to move during exposure, to eliminate the appearance of grid lines on the image

# concept[].definition
An X-Ray Grid with radiation absorbing strips that are parallel to each other and that is used only with long source to image distances

# concept[].definition
An X-Ray Grid with crossed radiation absorbing strips used for more complete cleanup of scatter radiation

# concept[].definition
No X-Ray Grid was used due to low scatter conditions

# concept[].definition
The spectacle prescription for a patient

# concept[].definition
Refractive measurements of the eye to correct for inability to focus at near while wearing the distance prescription

# concept[].definition
Refractive measurements of the eye to correct for inability to focus at intermediate distance while wearing the distance prescription

# concept[].definition
Refractive measurements of the eye to correct for inability to focus at the specified distance while wearing the distance prescription

# concept[].definition
The power of a prism to bend light in the horizontal direction, in prism diopters

# concept[].definition
Direction of the base of a horizontal prism -- either in (toward the nose), or out (away from the nose)

# concept[].definition
The power of a prism to bend light in the vertical direction, in prism diopters

# concept[].definition
Direction of the base of a vertical prism -- either up, or down

# concept[].definition
Distance in mm between the pupils when the patient's object of regard is in the distance

# concept[].definition
Distance in mm between the pupils when the patient's object of regard is at near

# concept[].definition
A patient's vision with the correction measured by an autorefractor in place

# concept[].definition
A patient's vision with whichever vision correction the patient customarily wears

# concept[].definition
A patient's vision with the final spectacle prescription in place

# concept[].definition
The spectacle prescription for the right eye

# concept[].definition
The spectacle prescription for the left eye

# concept[].display
Macular Grid Thickness and Volume Report

# concept[].definition
A macular grid thickness and volume report for a patient. The macular grid is an analytic tool described in PS3.1

# concept[].display
Number of Images Used for Macular Measurements

# concept[].definition
Number of images used for the macular grid measurement

# concept[].definition
Number of samples used per Image for analysis

# concept[].definition
A numeric rating of the quality of the entire analysis with respect to grading and diagnostic purposes. Higher numbers indicate greater quality

# concept[].definition
A numeric rating of the quality of an entire image set with respect to grading and diagnostic purposes. Higher numbers indicate greater quality

# concept[].definition
Tear film or drops affecting test quality

# concept[].display
Visual Fixation Quality During Acquisition

# concept[].definition
The assessment of the centricity and persistence of the visual fixation (direction of gaze) during the acquisition

# concept[].definition
The reason why the patient's visual fixation was not steady or was indeterminate

# concept[].definition
The reason why the macular grid measurements may be questionable

# concept[].definition
Identifier of container (box, block, microscope slide, etc.) for the specimen under observation

# concept[].definition
Type of processing that tissue specimen underwent

# concept[].definition
Description of the individual step in the tissue processing sequence

# concept[].definition
Method of sampling used to derive specimen from its parent

# concept[].definition
Identifier of the parent specimen that gave rise to the current specimen

# concept[].definition
Assigning authority for parent specimen's identifier

# concept[].definition
Parent specimen type that gave rise to current specimen

# concept[].definition
Description of coordinate system and origin reference point on parent specimen, or parent specimen container, or image used for localizing the sampling site or location within container or image

# concept[].definition
Reference to image of parent specimen localizing the sampling site; may include referenced Presentation State object

# concept[].definition
Location of sampling site of specimen (nominal center) relative to the Position Frame of Reference in the X dimension

# concept[].definition
Location of sampling site of specimen (nominal center) relative to the Position Frame of Reference in the Y dimension

# concept[].definition
Location of sampling site of specimen (nominal center) relative to the Position Frame of Reference in the Z dimension

# concept[].definition
Description of specimen location, either in absolute terms or relative to the Position Frame of Reference

# concept[].definition
Location of specimen (nominal center) relative to the Position Frame of Reference in the X dimension

# concept[].definition
Location of specimen (nominal center) relative to the Position Frame of Reference in the Y dimension

# concept[].definition
Location of specimen (nominal center) relative to the Position Frame of Reference in the Z dimension

# concept[].definition
Description of visual distinguishing identifiers; e.g. ink, or a particular shape of the specimen

# concept[].definition
Assigning authority for specimen identifier

# concept[].display
Dissection with entire specimen submission

# concept[].definition
Dissection of specimen with submission of all its sections for further processing or examination

# concept[].definition
Dissection of specimen with submission of representative sections for further processing or examination

# concept[].definition
A workflow step, during which tissue specimens are stored in a climate-controlled environment

# concept[].definition
Transmission illumination method for specimen microscopy

# concept[].definition
Reflection illumination method for specimen microscopy

# concept[].definition
Epifluorescence illumination method for specimen microscopy

# concept[].definition
Brightfield illumination method for specimen microscopy

# concept[].definition
Darkfield illumination method for specimen microscopy

# concept[].definition
Oblique illumination method for specimen microscopy

# concept[].definition
Phase contrast illumination method for specimen microscopy

# concept[].definition
Differential interference contrast method for specimen microscopy

# concept[].definition
Total internal reflection fluorescence method for specimen microscopy

# concept[].definition
A method of obtaining ophthalmic axial measurements that uses ultrasound, and that requires applanation of the cornea

# concept[].definition
A method of obtaining ophthalmic axial measurements that uses ultrasound, and that requires immersion of the patient's eye in fluid as he lies in a supine position

# concept[].definition
A method of obtaining ophthalmic axial measurements that uses light

# concept[].definition
Measurements taken of the corneal curvature using a manual keratometer

# concept[].definition
Measurements taken of the corneal curvature using an automated keratometer

# concept[].definition
Simulated Keratometry measurements derived from corneal topography

# concept[].definition
Corneal power measurements using Scheimpflug camera

# concept[].definition
The Haigis IOL calculation formula. Haigis W, Lege B, Miller N, Schneider B. Comparison of immersion ultrasound biometry and partial coherence interferometry for intraocular lens calculation according to Haigis. Graefes Arch Clin Exp Ophthalmol 2000;238:765-73

# concept[].definition
The Haigis-L IOL calculation formula. Haigis W. Intraocular lens calculation after refractive surgery for myopia: Haigis-L formula. J Cataract Refract Surg. 2008 Oct;34(10):1658-63

# concept[].definition
The Holladay 1 IOL calculation formula. Holladay JT, Prager TC, Chandler TY, Musgrove KH, Lewis JW, Ruiz RS. A three-part system for refining intraocular lens power calculations. J Cataract Refract Surg. 1988; 14:17-24

# concept[].definition
The Hoffer Q IOL calculation formula. Hoffer KJ. The Hoffer Q formula: a comparison of theoretic and regression formulas. J Cataract Refract Surg 1993;19:700-12. Errata. J Cataract Refract Surg 1994;20:677 and 2007;33:2-3

# concept[].definition
The Olsen IOL calculation formula. Olsen T. Calculation of intraocular lens power: a review. Acta Ophthalmol. Scand. 2007: 85: 472-485

# concept[].definition
The SRKII IOL calculation formula. Sanders DR, Retzlaff J, Kraff MC. Comparison of the SRK II formula and other second generation formulas. J Cataract Refract Surg. 1988 Mar;14(2):136-41

# concept[].definition
The SRK-T IOL calculation formula. Retzlaff JA, Sanders DR, Kraff MC. Development of the SRK/T intraocular lens implant power calculation formula. J Cataract Refract Surg 1990;16:333-40. Erratum 1990;16:528

# concept[].definition
The "ACD Constant" used in IOL calculation

# concept[].definition
The "Haigis a0" constant used in IOL calculation

# concept[].definition
The "Haigis a1" constant used in IOL calculation

# concept[].definition
The "Haigis a2" constant used in IOL calculation

# concept[].definition
The "Hoffer pACD Constant" used in IOL calculation

# concept[].definition
The "Surgeon Factor" constant used in IOL calculation

# concept[].definition
Anterior chamber depth defined as the front of the cornea to the front of the lens

# concept[].definition
Anterior chamber depth defined as the back of the cornea to the front of the lens

# concept[].definition
Refers to the anterior lens when there are two lenses in the eye. The distance, in mm, from the anterior surface of the lens to the posterior surface of the lens

# concept[].definition
Refers to the posterior lens when there are two lenses in the eye. The distance, in mm, from the anterior surface of the lens to the posterior surface of the lens

# concept[].definition
Value obtained from measurements taken by the device creating this SOP Instance

# concept[].definition
Value obtained by data transfer from an external source - not from measurements taken by the device providing the value

# concept[].definition
Refractive Measurements DICOM SOP Instance

# concept[].definition
Standard Deviation is a simple measure of the variability of a data set

# concept[].definition
Signal to Noise Ratio of the data samples taken to create a measurement

# concept[].definition
Projection from 2D image pixels to 3D Cartesian coordinates based on a spherical mathematical model

# concept[].definition
Mapping from 2D image pixels to 3D Cartesian coordinates based on measurements of the retinal surface; e.g. of the retina, derived via a measurement technology such as Optical Coherence Tomography, Ultrasound etc.

# concept[].definition
Test pattern, nominally covering an area within 24° of fixation. Consists of 54 test points a minimum of 3° from each meridian and placed 6° apart. The "-2" distinguishes this from another 24° pattern (no longer supported)

# concept[].definition
Test pattern, nominally covering an area within 10° of fixation. Consists of 68 test points a minimum of 1° from each meridian and placed 2° apart. The "-2" in this case indicates its point layout to be similar to the 30-2 and 24-2

# concept[].definition
Test pattern consisting of test point locations within 30° of fixation. Consists of 76 test points a minimum of 3° from each meridian and placed 6° apart. The "-2" distinguishes this from another 30° pattern (no longer supported)

# concept[].definition
Test pattern consisting of 60 test point locations between 30° and 60° of fixation a minimum of 6° from each meridian and placed 12° apart. The "-4" distinguishes this from a similar 60° pattern having 4 additional points

# concept[].definition
Test pattern consisting of 16 test point locations within 10° of fixation a minimum of 1° from each meridian and placed 2° apart

# concept[].display
Visual Field Central 40 Point Test Pattern

# concept[].definition
Test pattern consisting of 40 test point locations within 30° of fixation that spread out radially from fixation

# concept[].display
Visual Field Central 76 Point Test Pattern

# concept[].definition
Test pattern consisting of 76 test point locations within 30° of fixation a minimum of 3° from each meridian and placed 6° apart

# concept[].display
Visual Field Peripheral 60 Point Test Pattern

# concept[].definition
Test pattern consisting of 60 test point locations between 30° and 60° of fixation a minimum of 6° from each meridian and placed 12° apart

# concept[].display
Visual Field Full Field 81 Point Test Pattern

# concept[].definition
Test pattern consisting of 81 test point locations within 60° of fixation that spread out radially from fixation

# concept[].display
Visual Field Full Field 120 Point Test Pattern

# concept[].definition
Test pattern consisting of 120 test point locations within 60° of fixation that spread out radially from fixation, concentrated in the nasal hemisphere

# concept[].definition
Test pattern for Glaucoma and general visual field assessment with 59 test locations of which 16 test locations are in the macular area (up to 10° eccentricity) and where the density of test location is reduced with eccentricity. The test can be extended with the inclusion of 14 test locations between 30° and 60° eccentricity, 6 of which are located at the nasal step

# concept[].definition
Test pattern for the macular area. Orthogonal test pattern with 0.7° spacing within the central 4° of eccentricity and reduced density of test locations between 4 and 10, 5° of eccentricity. 81 test locations over all. The test can be extended to include the test locations of the Visual Field G Test Pattern between 10, 5° and 60°

# concept[].definition
Full field test pattern with 48 test locations from 0-30° and 82 test locations from 30-70°. Reduced test point density with increased eccentricity. Can be combined with screening and threshold strategies

# concept[].definition
Low Vision Central. Orthogonal off-center test pattern with 6° spacing. 75 test locations within the central 30°. Corresponds with the 32/30-2 excluding the 2 locations at the blind spot, including a macular test location. The LVC is linked with a staircase threshold strategy starting at 0 dB intensity and applies stimulus area V

# concept[].definition
General test corresponding to the 30-2 but excluding the 2 test locations in the blind spot area, hence with 74 instead of 76 test locations

# concept[].display
Visual Field SITA-Standard Test Strategy

# concept[].definition
Swedish Interactive Thresholding Algorithm (SITA). Strategy gains testing efficiency through use of visual field and information theory models. In: Bengtsson B, Olsson J, Heijl A, Rootzen H. A new generation of algorithms for computerized threshold perimetry, SITA. Acta Ophthalmologica Scandinavica, 1997, 75: 368-375

# concept[].definition
Adaptation of SITA testing methods to Blue-Yellow testing

# concept[].definition
Similar to SITA-Standard but with less strict criteria for closing test points. Intended for patients who must be tested in the shortest possible time. In: Bengtsson B, Hejl A. SITA Fast, a new rapid perimetric threshold test. Description of methods and evaluation in patients with manifest and suspect glaucoma. Acta Ophthalmologica Scandinavica, 1998, 76: 431-437

# concept[].display
Visual Field Full Threshold Test Strategy

# concept[].definition
Threshold test algorithm that determines a patient's sensitivity at each test point in the threshold test pattern by adjusting intensity by 4 dB steps until the patient changes their response, and then adjusts the intensity in the opposite direction by 2 dB steps until the patient changes their response again. The last stimulus seen by the patient is recognized as the threshold for that point. The starting values are determined by first thresholding a "primary" point in each quadrant then using the results of each primary point to determine the starting values for neighboring points

# concept[].definition
Similar to the Full Threshold algorithm except that it steps by 3 dB and only crosses the threshold only once. In: Flanagan JG, Wild JM, Trope GE. Evaluation of FASTPAC, a new strategy for threshold estimation with the Humphrey Field Analyzer, in a glaucomatous population. Ophthalmology, 1993, 100: 949-954

# concept[].display
Visual Field Full From Prior Test Strategy

# concept[].definition
Identical to Full Threshold except that starting values are determined by the results of a previous test performed using the same test pattern and the Full Threshold test strategy

# concept[].definition
Similar to FastPac except that the steps are pseudo-dynamic (differ based on the intensity of the last presentation)

# concept[].definition
Suprathreshold testing strategy, in which each point is initially tested using stimulus that is 6 dB brighter than the expected hill of vision. If the patient does not respond, the stimulus is presented a second time at the same brightness. If the patient sees either presentation, the point is marked as "seen"; otherwise it is marked as "not seen"

# concept[].definition
An extension of the two-zone strategy in which test points where the second stimulus is not seen are presented with a third stimulus at maximum brightness

# concept[].display
Visual Field Quantify-Defects Test Strategy

# concept[].definition
An extension of the two-zone strategy, in which test points where the second stimulus is not seen receive threshold testing to quantify the depth of any detected scotomas

# concept[].definition
Tendency Oriented Perimetry. Fast thresholding algorithm. Test strategy makes use of the interaction between neighboring test locations to reduce the test time compared to normal full threshold strategy by 60-80%. In: Morales J, Weitzman ML, Gonzalez de la Rosa M. Comparison between Tendency-Oriented Perimetry (TOP) and octopus threshold perimetry. Ophthalmology, 2000, 107: 134-142

# concept[].definition
Dynamic strategy is a fast thresholding strategy reducing test duration by adapting the dB step sizes according to the frequency-of-seeing curve of the threshold. Reduction of test time compared to normal full threshold strategy 30-50%

# concept[].definition
Traditional full threshold staircase strategy. Initial intensities are presented, based on anchor point sensitivities in each quadrant and based on already known neighboring sensitivities. In a first run, thresholds are changed in 4dB steps until the first response reversal. Then the threshold is changed in 2 dB steps until the second response reversal. The threshold is calculated as the average between the last seen and last not-seen stimulus, supposed to correspond with the 50% point in the frequency-of-seeing curve

# concept[].definition
One level screening test: Each test location is tested with a single intensity. The result is shown as seen or not-seen. The intensity can either be a 0 dB stimulus or a predefined intensity

# concept[].definition
Two level screening test: Each test location is initially tested 6 dB brighter than the age corrected normal value

# concept[].definition
Low Vision Strategy is a full threshold normal strategy with the exception that it starts at 0 dB intensity and applies stimulus area V

# concept[].definition
German Adaptive Threshold Estimation is a fast strategy based on a modified 4-2 staircase algorithm, using prior visual fields to calculate the starting intensity. In: Chiefer U, Pascual JP, Edmunds B, Feudner E, Hoffmann EM, Johnson CA, Lagreze WA, Pfeiffer N, Sample PA, Staubach F, Weleber RG, Vonthein R, Krapp E, Paetzold J. Comparison of the new perimetric GATE strategy with conventional full-threshold and SITA standard strategies. Investigative Ophthalmology and Visual Science, 2009, 51: 488-494

# concept[].definition
Similar to GATE. The i stands for initial. If there was no prior visual field test to calculate the starting values, an anchor point method is used to define the local start values

# concept[].definition
A test started as two level screening test. In the course of the test, the threshold of relative defects and/or normal test locations has been quantified using the dynamic threshold strategy

# concept[].definition
A test started as two level screening test. In the course of the test, the threshold of relative defects and/or normal test locations has been quantified using the normal full threshold strategy

# concept[].display
Visual Field Fast Threshold Test Strategy

# concept[].definition
Takes neighborhood test point results into account and offers stimuli with an adapted value to save time

# concept[].definition
Continuous Luminance Incremental Perimetry, which measures at first the individual reaction time of the patient and threshold values in every quadrant. The starting value for the main test is slightly below in individual threshold

# concept[].definition
A supra threshold screening strategy. The starting stimuli intensities depend on the classification of the patient's visual hill by measuring the central (fovea) or peripheral (15° meridian) threshold. The result of each dot slightly underestimates the sensitivity value (within 5 dB)

# concept[].definition
Mode for determining the starting luminance for screening test points - the starting luminance s is chosen based on the age of the patient

# concept[].definition
Mode for determining the starting luminance for screening test points - the starting luminance is chosen based on the results of thresholding a set of "primary" test points (one in each quadrant)

# concept[].definition
Mode for determining the starting luminance for screening test points - in this case, all starting luminance is set to the same value

# concept[].definition
Mode for determining the starting luminance for screening test points - the starting luminance is chosen based on the result of the foveal threshold value

# concept[].definition
Mode for determining the starting luminance for screening test points - the starting luminance is chosen based on the result of four threshold values measured near the 15° meridian (one in each quadrant)

# concept[].definition
Real time evaluation of the camera image to recognize blinks and fixation losses with influence on the test procedure. Blinks that interfere with stimuli presentation cause the automated repetition of such stimulus presentations. Fixation losses can be used to delay the stimulus presentation until correct fixation is regained

# concept[].definition
A method of monitoring the patient's fixation by periodically presenting stimulus in a location on the background surface that corresponds to the patient's blind spot

# concept[].definition
A method of monitoring the patient's fixation by presenting the stimulus to the patient's macula

# concept[].definition
A method of monitoring the patient's fixation by observation from the examiner of the patient

# concept[].definition
Analysis Results are outside normal limits

# concept[].definition
Analysis Results identify abnormally high sensitivity

# concept[].definition
Analysis Results identify general reduction in sensitivity

# concept[].display
Borderline and general reduction in sensitivity

# concept[].definition
Analysis Results identify Borderline and general reduction in sensitivity

# concept[].definition
Index of a patient's remaining visual field normalized for both age and generalized defect

# concept[].definition
Estimate of the portion of a patient's visual field loss that is diffuse (i.e., spread evenly across all portions of the visual field)

# concept[].definition
Estimate of the portion of a patient's visual field loss that is local (i.e., not spread evenly across all portions of the visual field)

# concept[].definition
An analysis of asymmetry between zones of the superior and inferior visual field. It is designed to be specific for defects due to glaucoma

# concept[].definition
The data output of an optical fixation monitoring process, consisting of a list of positive and negative numbers indicating the quality of patient fixation over the course of a visual field test. The value 0 represents the initial fixation. Negative numbers indicate a measuring error (i.e., the patient blinked). Positive numbers quantify the degree of eccentricity from initial fixation

# concept[].definition
An image of at least 15° angular subtend that is centered on the macula; see Section U.1.8 "Relative Image Position Definitions" in PS3.17

# concept[].definition
An image of at least 15° angular subtend that is centered on the optic disc; see Section U.1.8 "Relative Image Position Definitions" in PS3.17

# concept[].definition
An image of any angular subtend that is centered on a lesion located in any region of the fundus; see Section U.1.8 "Relative Image Position Definitions" in PS3.17

# concept[].definition
An image of at least 15° angular subtend centered midway between the disc and macula and containing at least a portion of the disc and both the disc and the macula; see Section U.1.8 "Relative Image Position Definitions" in PS3.17

# concept[].definition
An image of at least 15° angular subtend positioned between the central zone and the equator, and spanning both the superior-temporal and superior-nasal quadrants of the fundus; see Section U.1.8 "Relative Image Position Definitions" in PS3.17

# concept[].definition
An image of at least 15° angular subtend positioned between the central zone and the equator in the superior-temporal quadrant of the fundus; see Section U.1.8 "Relative Image Position Definitions" in PS3.17

# concept[].definition
An image of at least 15° angular subtend positioned between the central zone and the equator, and spanning both the superior-temporal and inferior-temporal quadrants of the fundus; see Section U.1.8 "Relative Image Position Definitions" in PS3.17

# concept[].definition
An image of at least 15° angular subtend positioned between the central zone and the equator in the inferior-temporal quadrant of the fundus; see Section U.1.8 "Relative Image Position Definitions" in PS3.17

# concept[].definition
An image of at least 15° angular subtend positioned between the central zone and the equator, and spanning both the inferior-temporal and inferior-nasal quadrants of the fundus; see Section U.1.8 "Relative Image Position Definitions" in PS3.17

# concept[].definition
An image of at least 15° angular subtend positioned between the central zone and the equator in the inferior-nasal quadrant of the fundus; see Section U.1.8 "Relative Image Position Definitions" in PS3.17

# concept[].definition
An image of at least 15° angular subtend positioned between the central zone and the equator, and spanning both the superior-nasal and inferior-nasal quadrants of the fundus; see Section U.1.8 "Relative Image Position Definitions" in PS3.17

# concept[].definition
An image of at least 15° angular subtend positioned between the central zone and the equator in the superior-nasal quadrant of the fundus; see Section U.1.8 "Relative Image Position Definitions" in PS3.17

# concept[].definition
An image of at least 15° angular subtend positioned between the equator and the ora serrata, and spanning both the superior temporal and superior nasal quadrants of the fundus; see Section U.1.8 "Relative Image Position Definitions" in PS3.17

# concept[].definition
An image of at least 15° angular subtend positioned between the equator and ora serrata in the superior-temporal quadrant of the fundus; see Section U.1.8 "Relative Image Position Definitions" in PS3.17

# concept[].definition
An image of at least 15° angular subtend positioned between the equator and ora serrata, and spanning both the superior-temporal and inferior-temporal quadrants of the fundus; see Section U.1.8 "Relative Image Position Definitions" in PS3.17

# concept[].definition
An image of at least 15° angular subtend positioned between the equator and ora serrata in the inferior-temporal quadrant of the fundus; see Section U.1.8 "Relative Image Position Definitions" in PS3.17

# concept[].definition
An image of at least 15° angular subtend positioned between the equator and ora serrata, and spanning both the inferior-temporal and inferior-nasal quadrants of the fundus; see Section U.1.8 "Relative Image Position Definitions" in PS3.17

# concept[].definition
An image of at least 15° angular subtend positioned between the equator and ora serrata in the inferior-nasal quadrant of the fundus; see Section U.1.8 "Relative Image Position Definitions" in PS3.17

# concept[].definition
An image of at least 15° angular subtend positioned between the equator and ora serrata, and spanning both the superior-nasal and inferior-nasal quadrants of the fundus; see Section U.1.8 "Relative Image Position Definitions" in PS3.17

# concept[].definition
An image of at least 15° angular subtend positioned between the equator and ora serrata in the superior-nasal quadrant of the fundus; see Section U.1.8 "Relative Image Position Definitions" in PS3.17

# concept[].definition
Identifies the use of physical signals with respect to time to capture information

# concept[].definition
Identifies the use of physical signals with respect to multiple frequencies to capture information

# concept[].definition
No compensation algorithm for corneal birefringence

# concept[].definition
Algorithm to compensate for variability in corneal birefringence

# concept[].definition
Measurement of the retinal surface contour relative to an assigned datum plane

# concept[].definition
Measurement approximating the distance related to the structure between the internal limiting membrane (ILM) and the outer boarder of the retinal nerve fiber layer (RNFL); see Section III.6 "Retinal Thickness Definition" in PS3.17

# concept[].definition
Measurement approximating the distance related to the structure between the ILM and the outer border of the inner plexiform layer (IPL), called the ganglion cell complex (GCC); see Section III.6 "Retinal Thickness Definition" in PS3.17

# concept[].definition
Measurement approximating the distance related to the structure between the ILM and the inner-outer segment junction (IS-OS); see Section III.6 "Retinal Thickness Definition" in PS3.17

# concept[].definition
Measurement approximating the distance related to the structure between the ILM and the retinal pigment epithelium (RPE); see Section III.6 "Retinal Thickness Definition" in PS3.17

# concept[].definition
Measurement approximating the distance related to the structure between the ILM and the Bruch's membrane (BM); see Section III.6 "Retinal Thickness Definition" in PS3.17

# concept[].definition
Thickness of a component of the posterior segment of the eye; e.g. thickness of retina, choroid, etc.

# concept[].display
Thickness deviation category from normative data

# concept[].definition
Ophthalmic Thickness map based upon statistical significance category (such as percentile) from a normative data set

# concept[].definition
Ophthalmic Thickness map based upon deviation (such as microns) from a normative data set

# concept[].definition
Ophthalmic Thickness Map related to another Ophthalmic Thickness Map or another SOP Instance

# concept[].definition
An anatomic point centered midway between the disc and fovea centralis

# concept[].definition
Assuming the null hypothesis is true, the conditional percent probability of observing this result is not statistically significant

# concept[].definition
Assuming the null hypothesis is true, the conditional percent probability of observing this result is statistically significant, 95% unlikely to happen by chance

# concept[].definition
Assuming the null hypothesis is true, the conditional percent probability of observing this result is statistically significant, 98% unlikely to happen by chance

# concept[].definition
Assuming the null hypothesis is true, the conditional percent probability of observing this result is statistically significant, 99% unlikely to happen by chance

# concept[].definition
Assuming the null hypothesis is true, the conditional percent probability of observing this result is statistically significant, 99.5% unlikely to happen by chance

# concept[].definition
A two dimensional representation of the axial curvature of the cornea. Axial curvature is calculated from the reciprocal of the distance from a point on a meridian normal at the point to the corneal topographer axis. Also known as sagittal curvature

# concept[].definition
A two dimensional representation of the instantaneous curvature of the cornea. Instantaneous curvature is calculated from the reciprocal of the distance from a point on a meridian normal at the point to the center of curvature of that point. Also called tangential curvature

# concept[].definition
A two dimensional representation of the refractive power of the cornea. Corneal refractive power is calculated using Snell's Law

# concept[].definition
A two dimensional representation of the elevation of the cornea. Elevation is calculated as the distance from a point on the corneal surface to a point on a reference surface along a line parallel to the corneal topographer axis. For the purpose of visualization the reference surface is usually a sphere or an ellipse

# concept[].definition
A two dimensional representation of a wavefront aberration surface of the cornea. Wavefront aberration surface is calculated from the corneal elevation data fit with either the Zernike polynomial series or the Fourier Series. Maps generally display total aberrations and selectable higher order aberrations

# concept[].definition
A device that measures corneal anterior surface shape using elevation-based methods (stereographic and light slit-based). Rasterstereography images a grid pattern illuminating the fluorescein dyed tear film with 2 cameras to produce 3D. Slit-based devices scan the cornea, usually by rotation about the instrument axis centered on the cornea vertex

# concept[].definition
A reflection-based device that projects a pattern of light onto the cornea and an image of the reflection of that pattern from the tear film is recorded in one video frame. Light patterns include the circular mire pattern (Placido disc) and spot matrix patterns. Sequential scanning of light spots reflected from the corneal surface is also used requiring multiple video frames for recording

# concept[].definition
An Interference-based device that projects a beam of light onto and through the cornea. Light reflected from within the cornea is combined with a reference beam giving rise to an interference pattern. Appropriately scanned, this imaging is used to construct 3-dimensional images of the cornea from anterior to posterior surfaces; e.g. swept source OCT

# concept[].definition
A structured report containing the results of computer-aided detection or diagnosis applied to chest imaging and associated clinical information

# concept[].definition
The shadow of an absorber that attenuates the X-Ray beam more effectively than do surrounding absorbers. In a radiograph, any circumscribed area that appears more nearly white (of lesser photometric density) than its surround [Fraser and Pare]

# concept[].definition
A unique identifier for a series of DICOM SOP instances

# concept[].definition
A named anatomic region within the chest cavity

# concept[].definition
A collection of opacities detected within the continuum of loose connective tissue throughout the lung, that is not expected in a diagnostically normal radiograph

# concept[].definition
A type of anatomy that is expected to be detectable on a radiographic (X-Ray based) image

# concept[].definition
Characteristic of the extent of spreading of a finding or feature

# concept[].definition
Characteristic of the clarity of the boundary or edges of a finding or feature

# concept[].definition
The part(s) of the anatomy affected or encompassed by a finding or feature

# concept[].definition
Characteristic of the matter or substance within a finding or feature

# concept[].definition
Characteristic of the surface or consistency of a finding or feature

# concept[].definition
Position of the X-Ray beam about the patient from the RAO to LAO direction where movement from RAO to vertical is positive

# concept[].definition
Position of the X-Ray beam about the patient from the caudal to cranial direction where movement from caudal to vertical is positive

# concept[].definition
The zone, lobe or segment within the chest cavity in which a finding or feature is situated

# concept[].definition
Vertical refers to orientation parallel to the superior-inferior (cephalad-caudad) axis of the body, with horizontal being perpendicular to this, and an oblique orientation having projections in both the horizontal and vertical

# concept[].definition
Characteristic of the shape formed by the boundary or edges of a finding or feature

# concept[].definition
Indicates whether a finding was considered a target lesion, non-target lesion, or non-lesion during evaluation of a baseline series, according to a method such as RECIST

# concept[].definition
The extent of a detected cavity, represented as the percent of the surrounding volume that it occupies

# concept[].display
Calcification extent as percent of surface

# concept[].definition
The extent of a detected calcification, represented as the percent of the surrounding surface that it occupies

# concept[].display
Calcification extent as percent of volume

# concept[].definition
The extent of a detected calcification, represented as the percent of the surrounding volume that it occupies

# concept[].definition
A heading for the reporting of response evaluation for treatment of solid tumors

# concept[].definition
The system applied in the reporting of response evaluation for treatment of solid tumors

# concept[].definition
Response Evaluation Criteria In Solid Tumors; see Normative References

# concept[].definition
A term that further specifies the name of an item that is an inferred correlation relating two or more individual findings or features

# concept[].definition
A term that further specifies the name of an item that was detected on one image

# concept[].definition
A qualitative descriptor for the extent of a finding or feature

# concept[].definition
A qualitative descriptor for the thickness of tubular structures, such as blood vessels

# concept[].definition
A characteristic that further describes the nature of an opacity

# concept[].display
Abnormal Distribution of Anatomic Structure

# concept[].definition
The type of adverse affect that a finding or feature is having on the surrounding anatomy

# concept[].definition
Response evaluation method as defined in chapter 5, "Reporting of Response" of the WHO Handbook for Reporting Results for Cancer Treatment; see Normative References

# concept[].definition
Identification of the morphology of detected calcifications

# concept[].definition
A quantitative numerical statement of the relative attenuation of the X-Ray beam at a specified point. Coefficient that describes the fraction of a beam of X-Rays or gamma rays that is absorbed or scattered per unit thickness of the absorber. This value basically accounts for the number of atoms in a cubic cm volume of material and the probability of a photon being scattered or absorbed from the nucleus or an electron of one of these atoms. Usually expressed in Hounsfield units [referred to as CT Number in Fraser and Pare]

# concept[].definition
An X-Ray attenuation coefficient that is used as a threshold; e.g. in calcium scoring

# concept[].definition
An opacity that is not expected in a diagnostically normal radiograph

# concept[].definition
A textual description of the mathematical method of calculation that resulted in a calculated value

# concept[].display
Performance of Pediatric and Adult Chest Radiography, ACR

# concept[].definition
American College of Radiology. ACR Standard for the Performance of Pediatric and Adult Chest Radiography. In: Standards. Reston, Va: 2001:95-98

# concept[].definition
American College of Radiology. ACR Position Statement for Quality Control and Improvement, Safety, Infection Control, and Patient Concerns. In: Practice Guidelines and Technical Standards. Reston, Va: 2001:iv

# concept[].definition
A descriptor for a non-lesion object finding or feature, used to indicate whether the object was detected as being internal or external to the patient's body

# concept[].definition
A concept modifier for an Osseous Anatomy, or bone related, finding

# concept[].definition
A text label used for tracking a finding or feature, potentially across multiple reporting objects, over time. This label shall be unique within the domain in which it is used

# concept[].definition
A unique identifier used for tracking a finding or feature, potentially across multiple reporting objects, over time

# concept[].definition
At least a 30% decrease in the sum of the Longest Diameter of target lesions, taking as reference the baseline sum Longest Diameter

# concept[].definition
At least a 20% increase in the sum of the Longest Diameter of target lesions, taking as reference the smallest sum Longest Diameter recorded since the treatment started, or the appearance of one or more new lesions

# concept[].definition
Neither sufficient shrinkage to qualify for Partial Response nor sufficient increase to qualify for Progressive Disease, taking as reference the smallest sum Longest Diameter since the treatment started

# concept[].definition
Disappearance of all non-target lesions and normalization of tumor marker level

# concept[].display
Non-Target Lesion Incomplete Response or Stable Disease

# concept[].definition
Persistence of one or more non-target lesions and/or maintenance of tumor marker level above the normal limits

# concept[].definition
Appearance of one or more new lesions and/or unequivocal progression of existing non-target lesions

# concept[].definition
The current response evaluation for treatment of solid tumors, according to a method such as RECIST

# concept[].definition
Best response recorded from the start of the treatment until disease progression/recurrence, taking as reference for Progressive Disease the smallest measurements recorded since the treatment started, according to a method such as RECIST

# concept[].definition
A text identifier of an anatomic feature when a multiplicity of features of that type may be present, such as "Rib 1", "Rib 2" or thoracic vertebrae "T1" or "T2"

# concept[].definition
A measured or calculated evaluation of response; e.g. according to a method such as RECIST, the value would be the calculated sum of the lengths of the longest axes of a set of target lesions

# concept[].definition
Of or relating to a bronchial (lung) specific channel for the conveyance of a body fluid

# concept[].definition
The smallest unit of lung surrounded by connective tissue septa; the unit of lung subtended by any bronchiole that gives off three to five terminal bronchioles [Fraser and Pare]

# concept[].definition
A method of calculating an overall calcium score, reflecting the calcification of coronary arteries, based on the maximum X-Ray attenuation coefficient and the area of calcium deposits

# concept[].definition
A method of calculating an overall calcium score, reflecting the calcification of coronary arteries, based on the volume of each calcification, typically expressed in mm3

# concept[].definition
A method of calculating an overall calcium score, reflecting the calcification of coronary arteries, based on the total mass of calcification, typically expressed in mg

# concept[].definition
A measure often arrived at through calculation of findings from CT examination, which is a common predictor of significant stenosis of the coronary arteries

# concept[].definition
The combination of a focus of pneumonia due to a primary infection with granulomas in the draining hilar or mediastinal lymph nodes [Fraser and Pare]

# concept[].definition
General or local decrease in the apparent width of visible pulmonary vessels, suggesting less than normal blood flow (reduced blood flow) [Fraser and Pare]

# concept[].definition
Linear opacity of very fine width, i.e., a nearly one dimensional opacity

# concept[].definition
Area of abnormal very low X-Ray attenuation, typically lower than aerated lung when occurring in or projecting over lung, or lower than soft tissue when occurring in or projecting over soft tissue

# concept[].definition
A calcific opacity within the lung that may be organized, but does not display the trabecular organization of true bone [Fraser and Pare]

# concept[].definition
Relatively homogeneous, extended, pattern of abnormal opacity in the lung, typically low in contrast

# concept[].definition
A collection of innumerable small, linear, and nodular opacities that together produce a composite appearance resembling a net with small superimposed nodules. The reticular and nodular elements are dimensionally of similar magnitude [Fraser and Pare]

# concept[].definition
Irregular septal thickening that suggests the appearance of a row of beads; usually a sign of lymphangitic carcinomatosis, but may also occur rarely in sarcoidosis [Fraser and Pare]

# concept[].definition
A collection of innumerable, small discrete opacities ranging in diameter from 2-10 mm, generally uniform in size and widespread in distribution, and without marginal spiculation [Fraser and Pare]

# concept[].definition
An irregular band of peripheral pulmonary opacity adjacent to visceral pleura that simulates the appearance of a pleural plaque and is formed by coalescence of small nodules [Fraser and Pare] 

# concept[].definition
A ring of opacities (usually representing a dilated, thick-walled bronchus) in association with a smaller, round, soft tissue opacity (the adjacent pulmonary artery) suggesting a "signet ring" [Fraser and Pare]

# concept[].definition
Equivalent of air bronchogram, but in airways assumed to be bronchioles because of peripheral location and diameter [Fraser and Pare]

# concept[].definition
Radiographic shadow of an air-containing bronchus; presumed to represent an air-containing segment of the bronchial tree (identity often inferred) [Fraser and Pare]

# concept[].definition
Air in a crescentic shape in a nodule or mass, in which the air separates the outer wall of the lesion from an inner sequestrum, which most commonly is a fungus ball of Aspergillusspecies [Fraser and Pare]

# concept[].definition
Ground-glass opacity surrounding the circumference of a nodule or mass. May be a sign of invasive aspergillosis or hemorrhage of various causes [Fraser and Pare]

# concept[].definition
Flag denoting that this lesion was identified, at baseline, as a target lesion intended for tracking over time [RECIST]

# concept[].definition
Flag denoting that this lesion was not identified, at baseline, as a target lesion, and was not intended for tracking over time [RECIST]

# concept[].definition
Flag denoting that this finding was identified, at baseline, as a category other than a lesion, and was not intended for tracking over time [RECIST]

# concept[].definition
Local or general reduction in the caliber of visible pulmonary vessels, presumed to result from decreased flow occasioned by contraction of muscular pulmonary arteries [Fraser and Pare]

# concept[].definition
Local or general increase in the width of visible pulmonary vessels resulting from increased pulmonary blood flow [Fraser and Pare]

# concept[].definition
A manifestation of lung disease in which bronchi, pulmonary vessels, a fissure or fissures, or septa of secondary pulmonary lobules are abnormally displaced [Fraser and Pare]

# concept[].definition
A patchwork of regions of varied attenuation, interpreted as secondary to regional differences in perfusion [Fraser and Pare]

# concept[].definition
Increased blood flow to the lungs or a portion thereof, manifested by a general or local increase in the width of visible pulmonary vessels [Fraser and Pare]

# concept[].definition
The common boundary between the shadows of two juxtaposed structures or tissues of different texture or opacity (edge, border) [Fraser and Pare]

# concept[].definition
A longitudinal opacity no greater than 2 mm in width [Fraser and Pare]

# concept[].definition
The shadow of an absorber that attenuates the primary X-Ray beam less effectively than do surrounding absorbers. In a radiograph, any circumscribed area that appears more nearly black (of greater photometric density) than its surround [Fraser and Pare]

# concept[].definition
A midlung region, characterized by the absence of large blood vessels and by a paucity of small blood vessels, that corresponds to the minor fissure and adjacent peripheral lung [Fraser and Pare]

# concept[].definition
The angle formed by the right and left main bronchi at the tracheal bifurcation [Fraser and Pare]

# concept[].definition
The pulmonary artery and its immediate branches in a secondary lobule; HRCT depicts these vessels in certain cases; a.k.a. core structures or lobular core structures [Fraser and Pare]

# concept[].definition
A vertically oriented linear or curvilinear opacity approximately 1-2 mm wide, commonly projected on the tracheal air shadow [Fraser and Pare]

# concept[].definition
A vertically oriented, linear or curvilinear opacity approximately 2 mm wide, commonly projected on the tracheal air shadow, and usually slightly concave to the right [Fraser and Pare]

# concept[].definition
A space in the right side of the mediastinum into which the medial edge of the right lower lobe extends [Fraser and Pare]

# concept[].definition
A vertically oriented interface usually seen in a frontal chest radiograph to the left of the thoracic vertebral column [Fraser and Pare]

# concept[].definition
A vertically oriented linear opacity ranging in width from 2-5 mm, extending from the thoracic inlet to the bifurcation of the trachea, and visible only on lateral radiographs of the chest [Fraser and Pare]

# concept[].definition
A vertically oriented linear opacity approximately 2-3 mm wide extending from the thoracic inlet to the right tracheobronchial angle [Fraser and Pare]

# concept[].definition
A longitudinal composite opacity measuring 2-5 mm in width; acceptable when limited to anatomic structures within the mediastinum [Fraser and Pare]

# concept[].definition
A gap or passage through an anatomical part or organ; especially : a gap through which another part or organ passes

# concept[].definition
A small rounded elevation or eminence on the first rib for the attachment of the scalenus anterior

# concept[].definition
A groove that serves for the transmission of the vertebral artery

# concept[].definition
The concave depression of the anterior surface of the scapula

# concept[].definition
A sloping ridge dividing the dorsal surface of the scapula into the supraspinatous fossa (above), and the infraspinatous fossa (below)

# concept[].definition
The portion of the dorsal surface of the scapula above the scapular spine

# concept[].definition
The portion of the dorsal surface of the scapula below the scapular spine

# concept[].definition
The portion of the aortic arch that defines the transition between its ascending and descending limbs

# concept[].definition
Section of Azygos vein near the fourth thoracic vertebra, where it arches forward over the root of the right lung, and ends in the superior vena cava, just before that vessel pierces the pericardium

# concept[].definition
A local collection of gas and liquid that, when traversed by a horizontal X-Ray beam, creates a shadow characterized by a sharp horizontal interface between gas density above and liquid density below [Fraser and Pare]

# concept[].definition
A circumferential pattern of fine linear spicules, approximately 5 mm long, extending outward from the margin of a solitary pulmonary nodule through a zone of relative lucency [Fraser and Pare]

# concept[].definition
A number of closely approximated ring shadows representing air spaces 5-10 mm in diameter with walls 2-3 mm thick that resemble a true honeycomb; implies "end-stage" lung [Fraser and Pare]

# concept[].definition
A straight, curved, or irregular linear opacity that is visible in multiple projections; usually situated in the lower half of the lung; vary markedly in length and width [Fraser and Pare]

# concept[].definition
Fine linear opacities present in a lobule when the intralobular interstitium is thickened. When numerous, they may appear as a fine reticular pattern [Fraser and Pare]

# concept[].definition
Essentially straight linear opacity 2-6 cm in length and 1-3 mm in width, usually in an upper lung zone [Fraser and Pare]

# concept[].definition
A straight linear opacity 1.5-2 cm in length and 1-2 mm in width, usually at the lung base [Fraser and Pare]

# concept[].definition
A group of branching, linear opacities producing the appearing of a fine net, at the lung base [Fraser and Pare]

# concept[].definition
Elongated opacity, usually several millimeters wide and up to about 5 cm long, often extending to the pleura, which may be thickened and retracted at the site of contact [Fraser and Pare]

# concept[].definition
A collection of innumerable small linear opacities that together produce an appearance resembling a net [Fraser and Pare]

# concept[].definition
Usually used in the plural, a generic term for linear opacities of varied distribution produced when the interstitium between pulmonary lobules is thickened [Fraser and Pare]

# concept[].definition
A thin curvilinear opacity, a few millimeters or less in thickness, usually less than 1 cm from the pleural surface and paralleling the pleura [Fraser and Pare]

# concept[].definition
Parallel or slightly convergent linear opacities that suggest the planar projection of tubular structures and that correspond in location and orientation to elements of the bronchial tree [Fraser and Pare]

# concept[].definition
Paired, parallel, or slightly convergent linear opacities presumed to represent the walls of a tubular structure seen en face; used if the anatomic nature of a shadow is obscure [Fraser and Pare]

# concept[].definition
The opacity of a radiographic shadow to visible light; film blackening; the term should never be used to mean an "opacity" or "radiopacity" [Fraser and Pare]

# concept[].definition
Subpleural increased attenuation in dependent lung. The increased attenuation disappears when the region of lung is nondependent; a.k.a. dependent increased attenuation [Fraser and Pare]

# concept[].definition
Hazy increased attenuation of lung, but with preservation of bronchial and vascular margins; caused by partial filling of air spaces, interstitial thickening, partial collapse of alveoli, normal expiration, or increased capillary blood volume [Fraser and Pare]

# concept[].definition
Any ill-defined opacity in the lung [Fraser and Pare]

# concept[].definition
Discrete, small, round, focal opacity of at least soft tissue attenuation and with a diameter no greater than 7 mm [Fraser and Pare]

# concept[].definition
A shadow produced by a local collection of fluid in one of the interlobar fissures, usually elliptic in one radiographic projection and rounded in the other, resembling a tumor [Fraser and Pare]

# concept[].definition
Any perceptible discontinuity in film blackening attributed to the attenuation of the X-Ray beam by a specific anatomic absorber or lesion on or within the body of the patient; to be employed only when more specific identification is not possible [Fraser and Pare]

# concept[].definition
Term used to define a reticular pattern specific to pneumoconioses [Fraser and Pare]

# concept[].definition
Term used to define a nodular pattern specific to pneumoconioses [Fraser and Pare]

# concept[].definition
Nodular dilation of centrilobular branching structures that resembles a budding tree and represents exudative bronchiolar dilation [Fraser and Pare]

# concept[].definition
Any extended, finely granular pattern of pulmonary opacity within which normal anatomic details are partly obscured [Fraser and Pare]

# concept[].definition
A collection of tiny discrete opacities in the lungs, each measuring 2 mm or less in diameter, generally uniform in size and widespread in distribution [Fraser and Pare]

# concept[].definition
Generalized pattern of relatively well defined areas in the lung having different X-Ray attenuations due to a longstanding underlying pulmonary disease

# concept[].definition
A qualitative descriptor of a size that is dramatically less than typical

# concept[].definition
A qualitative descriptor of a size that is considerably less than typical

# concept[].definition
A qualitative descriptor of a size that is so small as to be abnormal versus expected size

# concept[].definition
A border shape that is made up of, provided with, or divided into lobules (small lobes, curved or rounded projections or divisions)

# concept[].definition
The border of a shadow (opacity) is sharply defined [Fraser and Pare]

# concept[].definition
The border of a shadow (opacity) is distinctly defined [Fraser and Pare]

# concept[].definition
The border of a shadow (opacity) is well distinct from adjacent structures [Fraser and Pare]

# concept[].definition
The border of a shadow (opacity) is sharply distinct from adjacent structures [Fraser and Pare]

# concept[].definition
The border of a shadow (opacity) is poorly distinct from adjacent structures [Fraser and Pare]

# concept[].definition
A shadow (opacity) possessing a complete or nearly complete visible border [Fraser and Pare]

# concept[].definition
Inspired atmospheric gas. The word is sometimes used to describe gas within the body regardless of its composition or site [Fraser and Pare]

# concept[].definition
Material having X-Ray attenuation properties similar to muscle

# concept[].definition
Material having X-Ray attenuation properties similar to calcium, a silver-white bivalent metallic element occurring in plants and animals

# concept[].definition
A pulmonary opacity 4-8 mm in diameter, presumed to represent anatomic acinus, or a collection of opacities in the lung, each measuring 4-8 mm in diameter, and together producing an extended, homogeneous shadow [Fraser and Pare]

# concept[].definition
The gas-containing portion of the lung parenchyma, including the acini and excluding the interstitium [Fraser and Pare]

# concept[].definition
Sharply defined, approximately circular opacities occurring singly or in clusters, usually in the upper lobes [Fraser and Pare]

# concept[].definition
A shadow (opacity) that is ill-defined, lacking clear-cut margins [Fraser and Pare]

# concept[].definition
A shadow resembling a line; any elongated opacity of approximately uniform width [Fraser and Pare]

# concept[].definition
The number of small opacities per unit area or zone of lung. In the International Labor Organization (ILO) classification of radiographs of the pneumoconioses, the qualifiers 0 through 3 subdivide the profusion into 4 categories. The profusion categories may be further subdivided by employing a 12-point scale [Fraser and Pare]

# concept[].definition
The effacement of an anatomic soft tissue border by either a normal anatomic structure or a pathologic state such as airlessness of adjacent lung or accumulation of fluid in the contiguous pleural space; useful in detecting and localizing an opacity along the axis of the X-Ray beam [Fraser and Pare]

# concept[].definition
Situated or occurring between the pleura and the body wall

# concept[].definition
Spatial arrangement of opacities that bears vague resemblance to the shape of a bat in flight; bilaterally symmetric [Fraser and Pare]

# concept[].definition
Spatial arrangement of opacities that bears vague resemblance to the shape of a butterfly in flight; bilaterally symmetric [Fraser and Pare]

# concept[].definition
Referring to the region of the bronchioloarteriolar core of a secondary pulmonary lobule [Fraser and Pare]

# concept[].definition
The joining together of a number of opacities into a single opacity [Fraser and Pare]

# concept[].definition
Of or relating to a lobe (a curved or rounded projection or division); e.g. involving an entire lobe of the lung

# concept[].definition
Extremely or excessively acute, as a qualitative measure of severity

# concept[].definition
Of uniform opacity or texture throughout [Fraser and Pare]

# concept[].definition
Lack of homogeneity in opacity or texture

# concept[].definition
Discrete opacity centrally within a larger opacity, as a calcification descriptor

# concept[].definition
Pertaining to sharply defined, linear, and/or nodular opacities containing calcification(s) [Fraser and Pare]

# concept[].definition
Calcifications made up of loosely aggregated particles, resembling wool

# concept[].definition
A change in the shape formed by the boundary or edges of a finding or feature

# concept[].definition
A change in the clarity of the boundary or edges of a finding or feature

# concept[].definition
A change in the extent of spreading of a finding or feature

# concept[].definition
A change in the part(s) of the anatomy affected or encompassed by a finding or feature

# concept[].definition
A change in the matter or substance within a finding or feature

# concept[].definition
A change in the surface or consistency of a finding or feature

# concept[].definition
A location in image space, which may or may not correspond to an anatomical reference, which is often used for registering data sets

# concept[].definition
Connected to an injection chamber placed under the skin in the upper part of the chest. When it is necessary to inject some drug, a specific needle is put in the chamber through the skin and a silicon membrane. The advantage of a portacath is that it may be left in place several months contrarily of "classical" catheters

# concept[].definition
A tube inserted into the chest wall from outside the body, for drainage. Sometimes used for collapsed lung. Usually connected to a receptor placed lower than the insertion site

# concept[].definition
A tube placed into the subclavian vein to deliver medication directly into the venous system

# concept[].definition
A stent is a tube inserted into another tube. Kidney stent is a tube that is inserted into the kidney, ureter, and bladder, to help drain urine. Usually inserted through a scoping device presented through the urethra

# concept[].definition
A stent is a tube inserted into another tube. Pancreatic stent is inserted through the common bile duct to the pancreatic duct, to drain bile

# concept[].definition
A non-lesion object that appears to be a circular band, attached to the body via pierced nipple

# concept[].definition
A non-lesion object that appears to be a flat round piece of metal

# concept[].definition
The least quantity assignable, admissible, or possible; the least of a set of X-Ray attenuation coefficients

# concept[].definition
The greatest quantity or value attainable or attained; the largest of a set of X-Ray attenuation coefficients

# concept[].definition
The value that is computed by dividing the sum of a set of X-Ray attenuation coefficients by the number of values 

# concept[].definition
The value in an ordered set of X-Ray attenuation coefficients, below and above which there is an equal number of values

# concept[].display
Standard Deviation of Attenuation Coefficient

# concept[].definition
For a set of X-Ray attenuation coefficients: 1) a measure of the dispersion of a frequency distribution that is the square root of the arithmetic mean of the squares of the deviation of each of the class frequencies from the arithmetic mean of the frequency distribution; 2) a parameter that indicates the way in which a probability function or a probability density function is centered around its mean and that is equal to the square root of the moment in which the deviation from the mean is squared

# concept[].display
Performance of Pediatric and Adult Thoracic CT

# concept[].definition
American College of Radiology. ACR Standard for the Performance of Pediatric and Adult Thoracic Computed Tomography (CT). In: Standards. Reston, Va: 2001:103-107

# concept[].display
Performance of CT for Detection of Pulmonary Embolism in Adults

# concept[].definition
American College of Radiology. ACR Standard for the Performance of Computed Tomography for the Detection of Pulmonary Embolism in Adults. In: Standards. Reston, Va: 2001:109-113

# concept[].display
Performance of High-Resolution CT of the Lungs in Adults

# concept[].definition
American College of Radiology. ACR Standard for the Performance of High-Resolution Computed Tomography (HRCT) of the Lungs in Adults. In: Standards. Reston, Va: 2001:115-118

# concept[].definition
The method of calculation of a measurement or other type of numeric value is not specified

# concept[].definition
The calculation method was performed in two-dimensional space

# concept[].definition
The calculation method was performed in three-dimensional space

# concept[].definition
The relative density of parenchymal tissue as a proportion of breast volume

# concept[].definition
A measured or calculated area of vascular calcification

# concept[].definition
A measured or calculated volume of vascular calcification

# concept[].definition
A measured or calculated percentage of vascular calcification

# concept[].definition
A measured or calculated mass of vascular calcification

# concept[].display
Average calcification distance in a calcification cluster

# concept[].definition
The average nearest neighbor distance of all individual microcalcifications in a cluster

# concept[].display
Standard deviation distance of calcifications in a cluster

# concept[].definition
The standard deviation of nearest neighbor distance of all individual microcalcifications in a cluster

# concept[].definition
A structured report containing the results of computer-aided detection or diagnosis applied to colon imaging and associated clinical information

# concept[].definition
Overall interpretation of the colon using C-RADS categorization system

# concept[].definition
Distance between contiguous images, measured from the center-to-center of each image

# concept[].definition
Uniquely identifies groups of composite instances that have the same coordinate system that conveys spatial and/or temporal information

# concept[].display
Recumbent Patient Position with respect to gravity

# concept[].definition
Patient orientation with respect to downward direction (gravity)

# concept[].definition
The diameter of a polyp stalk measured perpendicular to the axis of the stalk

# concept[].definition
The length of the path following the centerline of the colon from the anus to the area of interest

# concept[].definition
A location in the body that is outside the colon

# concept[].display
C0 - Inadequate Study/Awaiting Prior Comparisons

# concept[].definition
An inadequate study or a study that is awaiting prior comparisons. The study may have inadequate preparation and cannot exclude lesions greater than or equal to ten millimeters owing to presence of fluid or feces. The study may have inadequate insufflation where one or more colonic segments collapsed on both views. Based on "CT Colonography Reporting and Data System: A Consensus Proposal", Radiology, July 2005; 236:3-9

# concept[].definition
The study has a normal colon or benign lesion, with the recommendation to continue routine screening. The study has no visible abnormalities of the colon. The study has no polyps greater than six millimeters. The study may have lipoma, inverted diverticulum, or nonneoplastic findings, such as colonic diverticula. Based on "CT Colonography Reporting and Data System: A Consensus Proposal", Radiology, July 2005; 236:3-9

# concept[].display
C2 - Intermediate Polyp or Indeterminate Finding

# concept[].definition
The study has an intermediate polyp or indeterminate finding and surveillance or colonoscopy is recommended. There may be intermediate polyps between six and nine millimeters and there are less than three in number. The study may have an intermediate finding and cannot exclude a polyp that is greater than or equal to six millimeters in a technically adequate exam. Based on "CT Colonography Reporting and Data System: A Consensus Proposal", Radiology, July 2005; 236:3-9

# concept[].definition
The study has a polyp, possibly advanced adenoma, and a follow-up colonoscopy is recommended. The study has a polyp greater than or equal to ten millimeters or the study has three or more polyps that are each between six to nine millimeters. Based on "CT Colonography Reporting and Data System: A Consensus Proposal", Radiology, July 2005; 236:3-9

# concept[].definition
The study has a colonic mass, likely malignant, and surgical consultation is recommended. The lesion compromises bowel lumen and demonstrates extracolonic invasion. Based on "CT Colonography Reporting and Data System: A Consensus Proposal", Radiology, July 2005; 236:3-9

# concept[].display
ACR Guideline, Performance of Adult CT Colonography

# concept[].definition
American College of Radiology Practice Guideline for the Performance of Computed Tomography (CT) Colonography in Adults. In: Practice Guidelines and Technical Standards.Reston, Va: American College of Radiology;2006:371-376

# concept[].display
ACR Standard, CT medical physics performance monitoring

# concept[].definition
American College of Radiology Technical Standard for Diagnostic Medical Physics Performance Monitoring of Computed Tomography (CT) Equipment. In: Practice Guidelines and Technical Standards.Reston, Va: American College of Radiology;2006:945-948

# concept[].definition
View Orientation Modifier indicates that the view orientation of the imaging plane is rotated +45° along the cranial-caudal axis

# concept[].definition
View Orientation Modifier indicates that the view orientation of the imaging plane is rotated -45° along the cranial-caudal axis

# concept[].definition
The axis following the shaft of the femur

# concept[].definition
Center of Rotation of the natural Acetabulum

# concept[].definition
Center of Rotation of the natural femur head

# concept[].definition
Prosthetic component implanted into the acetabulum. Provides hold for the insert that is mounted inside the cup

# concept[].definition
Prosthetic pelvic joint component. Inserted into the cup, takes in the femoral head replacement

# concept[].definition
Prosthetic pelvic joint cup including insert

# concept[].definition
Component for Femoral Head Prosthesis where the conic intake for the stem neck can be exchanged. Combined with a Femoral Head Cone Taper Component

# concept[].definition
Exchangeable neck intake for composite femoral head prosthesis. Combined with a Femoral Head Ball Component

# concept[].definition
Prosthesis Implanted into the femoral bone to provide force transmission between joint replacement and bone. On the proximal end a conic neck holds the femoral head replacement

# concept[].definition
Distal half of a modular stem prosthesis system. Combined with a Stem Proximal Component

# concept[].definition
Proximal half of a modular stem prosthesis system. Combined with a Stem Distal Component

# concept[].definition
Stem prosthetic component with a modular insert for an exchangeable neck component. Combined with a Neck Component

# concept[].definition
Prosthetic Neck to be combined with a Stem Component

# concept[].definition
Prosthetic Stem and Femoral Head in one piece

# concept[].definition
A proximal attachment to the shaft used to compensate for bone deficiencies or bone loss

# concept[].definition
Artificial femur head surface needed for the partial replacement of the femoral head where only the surface is replaced

# concept[].definition
Fixation sewing several objects together

# concept[].definition
Fixation due to forcing an object into a narrow space

# concept[].definition
Attachment to the distal end of a cemented stem assuring that the stem is in a central position inside the drilled femoral canal before cementation

# concept[].definition
Planning of a Hip Replacement, by an unspecified method

# concept[].definition
Planning of Knee Replacement, by an unspecified method

# concept[].display
Müller Method Planning for Hip Replacement

# concept[].definition
Planning of Hip Replacement according to the procedure of M. E. Müller [Eggli et. al.1998]

# concept[].definition
A Report containing the results of an Implantation Planning Activity

# concept[].definition
Identification ID of an Implant Component

# concept[].definition
An implant template describing the properties (2D/3D geometry and other data) of one Implant Component

# concept[].definition
A connection of two Connected Implantation Plan Components

# concept[].definition
ID of a Mating Feature Set in an Implant Component

# concept[].definition
ID of the Mating Feature in a Mating Feature Set in an Implant Component

# concept[].definition
The Spatial Registration of one or more Implant Components

# concept[].definition
Patient Images used for an implantation planning activity

# concept[].definition
A collection of Component Connections of Implant Components

# concept[].definition
Fiducials that are selected by the user and may or may not belong to anatomical landmarks

# concept[].definition
Fiducials that represent geometric characteristics, such as center of rotation, and are derived from other fiducials

# concept[].definition
All parameters and data that were used for the planning activity

# concept[].definition
A description of the plan as encapsulated PDF SOP Instance

# concept[].definition
A list of all Implant Components selected for an implantation

# concept[].definition
Reference to objects containing patient data that is used for planning

# concept[].definition
A specification of the values from one or more Degrees of Freedom

# concept[].display
Related Patient Data Not Used During Planning

# concept[].definition
Reference to objects containing patient data that were not used for planning but are somehow related

# concept[].definition
Implantation Reports that are somehow related; e.g. contemporaneous implantations that are independent

# concept[].display
Planning Information for Intraoperative Usage

# concept[].definition
Information that is intended to be used intra-operatively

# concept[].definition
Position of the patient on the operating room table

# concept[].definition
Implant Template released by the Manufacturer

# concept[].definition
Images that are created by a planning application

# concept[].definition
Data that is created by a planning application

# concept[].definition
One Implant Component that is connected to another Implant Component

# concept[].display
Degree of Freedom Exact Translational Value

# concept[].definition
Defines the exact value that was planned for translation

# concept[].display
Degree of Freedom Minimum Translational Value

# concept[].definition
Defines the minimum value that was planned for translation

# concept[].display
Degree of Freedom Maximum Translational Value

# concept[].definition
Defines the maximum value that was planned for translation

# concept[].display
Degree of Freedom Exact Rotational Translation Value

# concept[].definition
Defines the exact value that was planned for rotation

# concept[].display
Degree of Freedom Minimum Rotational Value

# concept[].definition
Defines the minimum value that was planned for rotation

# concept[].display
Degree of Freedom Maximum Rotational Value

# concept[].definition
Defines the maximum value that was planned for rotation

# concept[].definition
Procedure step protocol for photographic imaging of surgical procedures, including photography of specimens collected

# concept[].definition
Procedure step protocol for imaging gross specimens, typically with a photographic camera (modality XC), and planning further dissection

# concept[].definition
Procedure step protocol for imaging slide specimens

# concept[].definition
Procedure step protocol for imaging slide specimens using a whole slide scanner

# concept[].definition
Procedure step protocol for imaging slide specimens using a whole slide scanner with a 20X nominal objective lens, in full color, with a single imaging focal plane across the image

# concept[].definition
Procedure step protocol for imaging slide specimens using a whole slide scanner with a 40X nominal objective lens, in full color, with a single imaging focal plane across the image

# concept[].definition
Number of focal planes for a microscopy image acquisition

# concept[].definition
Nominal distance above a reference plane (typically a slide glass substrate top surface) of the focal plane

# concept[].definition
Microscope magnification based on nominal objective lens power

# concept[].definition
Nominal center wavelength for an imaging spectral band

# concept[].definition
Name (coded) for an imaging spectral band

# concept[].definition
Type of filter inserted into the optical imaging path

# concept[].definition
Technique for identifying tissue to be imaged versus area of slide not to be imaged

# concept[].definition
Imaging performed at multiple imaging (focal) planes

# concept[].definition
Nominal 5 power objective lens, resulting in a digital image at approximately 2 um/pixel spacing

# concept[].definition
Nominal 10 power objective lens, resulting in a digital image at approximately 1 um/pixel spacing

# concept[].definition
Nominal 20 power microscope objective lens, resulting in a digital image at approximately 0.5 um/pixel spacing

# concept[].definition
Nominal 40 power microscope objective lens, with a combined condenser and objective lens numerical aperture of approximately 1.3, resulting in a digital image at approximately 0.25 um/pixel spacing

# concept[].definition
Equipment-specific nominal or default method for identifying tiles without tissue imaged for suppression from inclusion in image object

# concept[].definition
Equipment-specific high threshold method for identifying tiles without tissue imaged for suppression from inclusion in image object

# concept[].definition
Tiles without tissue imaged are not suppressed from inclusion in image object

# concept[].definition
A selection that represents the "best" chosen from a larger set of items; e.g. the best images within a Study or Series. The criteria against which "best" is measured is not defined. Contrast this with the more specific term "Best illustration of finding"

# concept[].definition
A study is a collection of one or more series of medical images, presentation states, and/or SR documents that are logically related for the purpose of diagnosing a patient. A study may include composite instances that are created by a single modality, multiple modalities or by multiple devices of the same modality. [From Section A.1.2.2 "Study IE" in PS3.3 ]

# concept[].definition
A distinct logical set used to group composite instances. All instances within a Series are of the same modality, in the same Frame of Reference (if any), and created by the same equipment. [See Section A.1.2.3 "Series IE" in PS3.3 ]

# concept[].definition
An arbitrarily defined unit of service that has actually been performed (not just scheduled). [From Section 7.3.1.9 "Modality Performed Procedure Step" in PS3.3 ]

# concept[].definition
An image or set of images illustrating a specific stage (phase in a stress echo exam protocol) and view (combination of the transducer position and orientation at the time of image acquisition)

# concept[].definition
Selection of information objects for attachment to the clinical report of the Current Requested Procedure

# concept[].definition
List of objects that are related to litigation and should be specially handled; e.g. may apply if a complaint has been received regarding a patient, or a specific set of images has been the subject of a subpoena, and needs to be sequestered or excluded from automatic purging according to retention policy

# concept[].definition
A list of objects that have been exported out of one organizational domain into another domain. Typically, the first domain has no direct control over what the second domain will do with the objects

# concept[].definition
A signed list of objects that have been exported out of one organizational domain into another domain, referenced securely with either Digital Signatures or MACs. Typically, the first domain has no direct control over what the second domain will do with the objects

# concept[].definition
The list of objects that constitute a study at the time that the list was created

# concept[].definition
The signed list of objects that constitute a study at the time that the list was created, referenced securely with either Digital Signatures or MACs

# concept[].definition
The list of objects that were generated in a single procedure step

# concept[].definition
The signed list of objects that were generated in a single procedure step, referenced securely with either Digital Signatures or MACs

# concept[].definition
A list of frames or single-frame or entire multi-frame instances that together constitute a set for some purpose, such as might be displayed together in the same viewport, as distinct from another set that might be displayed in a separate viewport

# concept[].definition
List of objects whose use is potentially harmful to the patient; e.g. an improperly labeled image could lead to dangerous surgical decisions

# concept[].definition
List of objects that were acquired using an incorrect modality worklist entry, and that should not be used, since they may be incorrectly identified

# concept[].definition
List of objects that have expired according to a defined data retention policy

# concept[].definition
Lossy compression has been applied to an image

# concept[].definition
Values are derived by calculation of the apparent diffusion coefficient

# concept[].definition
Values are derived by the pixel by pixel addition of two images

# concept[].definition
Values are derived by calculation of the diffusion weighting

# concept[].definition
Values are derived by calculation of the diffusion anisotropy

# concept[].definition
Values are derived by calculation of the diffusion attenuation

# concept[].definition
Values are derived by the pixel by pixel division of two images

# concept[].definition
Values are derived by the pixel by pixel masking of one image by another

# concept[].definition
Values are derived by calculating the pixel by pixel maximum of two or more images

# concept[].definition
Values are derived by calculating the pixel by pixel mean of two or more images

# concept[].definition
Values are derived by calculating from spectroscopy data pixel values localized in two dimensional space based on the concentration of specific metabolites (i.e, at specific frequencies)

# concept[].definition
Values are derived by calculating the pixel by pixel minimum of two or more images

# concept[].definition
The time required for blood to pass through a region of tissue

# concept[].definition
Values are derived by the pixel by pixel multiplication of two images

# concept[].definition
Values are derived by calculating negative enhancement integral values

# concept[].definition
The flow rate of blood perfusing a region of the brain as volume per mass per unit of time

# concept[].definition
The volume of blood perfusing a region of brain as volume per mass

# concept[].definition
Values are derived by calculating proton density values

# concept[].definition
Values are derived by calculating signal change values

# concept[].definition
Values are derived by calculating the signal to noise ratio

# concept[].definition
Values are derived by calculating the standard deviation of two or more images

# concept[].definition
Values are derived by the pixel by pixel subtraction of two images

# concept[].definition
Values are derived by calculating T1 values

# concept[].definition
Values are derived by calculating T2* values

# concept[].definition
Values are derived by calculating T2 values

# concept[].definition
Values are derived by calculating values based on the time course of signal

# concept[].definition
Values are derived by calculating values based on temperature encoding

# concept[].definition
Values are derived by calculating the value of the Student's T-Test statistic from multiple image samples

# concept[].definition
The time from the start of the contrast agent injection to the maximum enhancement value

# concept[].definition
Values are derived by calculating values based on velocity encoded; e.g. phase contrast

# concept[].definition
Values are derived by calculating the value of the Z-Score statistic from multiple image samples

# concept[].definition
Values are derived by reformatting in a flat plane other than that originally acquired

# concept[].definition
Values are derived by reformatting in a curve plane other than that originally acquired

# concept[].definition
Values are derived by volume rendering of acquired data

# concept[].definition
Values are derived by surface rendering of acquired data

# concept[].definition
Values are derived by segmentation (classification into tissue types) of acquired data

# concept[].definition
Values are derived by selectively editing acquired data (removing values from the volume), such as in order to remove obscuring structures or noise

# concept[].definition
Values are derived by maximum intensity projection of acquired data

# concept[].definition
Values are derived by minimum intensity projection of acquired data

# concept[].definition
For single-proton MR spectroscopy, the resonance peak corresponding to glutamate and glutamine

# concept[].definition
For single-proton MR spectroscopy, the ratio between the Choline and Creatine resonance peaks

# concept[].definition
For single-proton MR spectroscopy, the ratio between the N-acetylaspartate and Creatine resonance peaks

# concept[].definition
For single-proton MR spectroscopy, the ratio between the N-acetylaspartate and Choline resonance peaks

# concept[].definition
Values are derived by spatial resampling of acquired data

# concept[].definition
Values are derived by stitching two or more images together

# concept[].display
Spatially-related frames extracted from the volume

# concept[].definition
Spatially-related frames in this image are representative frames from the referenced 3D volume data set

# concept[].display
Temporally-related frames extracted from the set of volumes

# concept[].definition
Temporally-related frames in this image are representative frames from the referenced 3D volume data set

# concept[].definition
Conversion of a polar coordinate image to rectangular (Cartesian) coordinate image

# concept[].definition
For single-proton MR spectroscopy, the resonance peak corresponding to creatine and choline

# concept[].definition
For single-proton MR spectroscopy, the resonance peak corresponding to lipid and lactate

# concept[].definition
For single-proton MR spectroscopy, the ratio between the Choline and Creatine resonance peak and the Citrate resonance peak

# concept[].definition
Image pixels created through proportional weighting of multiple acquisitions at distinct X-Ray energies

# concept[].definition
De-identification using a profile defined in PS3.15 that requires removing all information related to the identity and demographic characteristics of the patient, any responsible parties or family members, any personnel involved in the procedure, the organizations involved in ordering or performing the procedure, additional information that could be used to match instances if given access to the originals, such as UIDs, dates and times, and private attributes, when that information is present in the non-Pixel Data Attributes, including graphics or overlays

# concept[].definition
Additional de-identification according to an option defined in PS3.15 that requires any information burned in to the Pixel Data corresponding to the Attribute information specified to be removed by the Profile and any other Options specified also be removed

# concept[].display
Clean Recognizable Visual Features Option

# concept[].definition
Additional de-identification according to an option defined in PS3.15 that requires that sufficient removal or distortion of the Pixel Data shall be applied to prevent recognition of an individual from the instances themselves or a reconstruction of a set of instances

# concept[].definition
Additional de-identification according to an option defined in PS3.15 that requires that any information encoded in graphics, text annotations or overlays corresponding to the Attribute information specified to be removed by the Profile and any other Options specified also be removed

# concept[].definition
Additional de-identification according to an option defined in PS3.15 that requires that any information encoded in SR Content Items or Acquisition Context Sequence Items corresponding to the Attribute information specified to be removed by the Profile and any other Options specified also be removed

# concept[].definition
Additional de-identification according to an option defined in PS3.15 that requires that any information that is embedded in text or string Attributes corresponding to the Attribute information specified to be removed by the Profile and any other Options specified also be removed

# concept[].display
Retain Longitudinal Temporal Information Full Dates Option

# concept[].definition
Retention of information that would otherwise be removed during de-identification according to an option defined in PS3.15 that requires that any dates and times be retained,

# concept[].display
Retain Longitudinal Temporal Information Modified Dates Option

# concept[].definition
Retention of information that would otherwise be removed during de-identification according to an option defined in PS3.15 that requires that any dates and times be modified in a manner that preserves temporal relationships; e.g. Study Date and Time

# concept[].definition
Retention of information that would otherwise be removed during de-identification according to an option defined in PS3.15 that requires that any physical characteristics of the patient, which are descriptive rather than identifying information per se, be retained; e.g. Patient's Age, Sex, Size (height) and Weight

# concept[].definition
Retention of information that would otherwise be removed during de-identification according to an option defined in PS3.15 that requires that any information that identifies a device be retained; e.g. Device Serial Number

# concept[].definition
Retention of information that would otherwise be removed during de-identification according to an option defined in PS3.15 that requires that UIDs be retained; e.g. SOP Instance UID

# concept[].definition
Retention of information that would otherwise be removed during de-identification according to an option defined in PS3.15 that requires that private attributes that are known not to contain identity information be retained; e.g. private SUV scale factor

# concept[].definition
The procedure report is a Radiopharmaceutical Radiation Dose report

# concept[].definition
Information pertaining to the administration of a radiopharmaceutical

# concept[].definition
Unique identification of a single radiopharmaceutical administration event

# concept[].definition
Initial signs or symptoms of extravasation

# concept[].definition
The estimated percentage of administered activity lost at the injection site. The estimation includes extravasation, paravenous administration and leakage at the injection site

# concept[].definition
The calculated activity at the Radiopharmaceutical Start Time when the radiopharmaceutical is administered to the patient. The residual activity (i.e. radiopharmaceutical not administered) , if measured, is reflected in the calculated value. The estimated extravasation is not reflected in the calculated value

# concept[].definition
Radioactivity measurement of radiopharmaceutical before or during the administration

# concept[].definition
Registered drug establishment code for product, coding scheme example is NDC or RxNorm

# concept[].definition
The human readable identification of the specific radiopharmaceutical dispensed quantity or dose ("dose" as unit of medication delivery, not radiation dose measure) to be administered to the patient

# concept[].definition
Identifies the vial, batch or lot number from which the individual dispense radiopharmaceutical quantity (dose) is produced. The Radiopharmaceutical Dispense Unit Identifier records the identification for each individual dose

# concept[].definition
Identifies the lot or unit serial number for the reagent component for the radiopharmaceutical

# concept[].definition
Identifies the lot or unit serial number for the radionuclide component for the radiopharmaceutical

# concept[].definition
Information pertaining to the estimated absorbed radiation dose to an organ

# concept[].definition
Reference authority MIRD Pamphlet No.1 (rev) ,Society of Nuclear Medicine, 1976

# concept[].definition
Reference authority ICRP, 1988. Radiation Dose to Patients from Radiopharmaceuticals. ICRP Publication 53. Ann. ICRP 18 (1-4)

# concept[].definition
Reference authority ICRP, 1998. Radiation Dose to Patients from Radiopharmaceuticals (Addendum to ICRP Publication 53). ICRP Publication 80. Ann. ICRP 28 (3)

# concept[].definition
Reference authority ICRP, 2008. Radiation Dose to Patients from Radiopharmaceuticals - Addendum 3 to ICRP Publication 53. ICRP Publication 106. Ann. ICRP 38 (1-2)

# concept[].definition
Reference authority Stabin MG, Sparks RB, Crowe E (1994) MIRDOSE: personal computer software for internal dose assessment in nuclear medicine [Computer program]

# concept[].definition
Reference authority Stabin MG, Sparks RB, Crowe E (2005) OLINDA/EXM: The Second-Generation Personal Computer Software for Internal Dose Assessment in Nuclear Medicine [Computer program]

# concept[].definition
Reference authority The reported organ dose is based on radiopharmaceutical's package insert

# concept[].definition
Reference authority The reported organ dose is based on Institutionally approved estimates from the Radioactive Drug Research Committee (RDRC) of the institution itself

# concept[].definition
Reference authority The reported organ dose is based on an Investigation new drug

# concept[].definition
The type of device that performed the activity measurement

# concept[].definition
The device that measures the radiation activity of the radiopharmaceutical

# concept[].definition
The number hours the patient has gone without food

# concept[].definition
The amount of fluids the patient has consumed before the procedure

# concept[].definition
A description of physical activity the patient performed before the start of the procedure, such as that which may affect imaging agent biodistribution

# concept[].definition
Blockage in one of the tubes (ureters) that drain urine from the kidneys

# concept[].definition
The patient exhibits symptoms severe of jaundice and/or has a Bilirubin >10 mg/dL

# concept[].definition
Extravasation or paravenous administration of the product is visible in the images

# concept[].display
Cockroft-Gault Formula estimation of GFR

# concept[].definition
The measurement method of the Glomerular Filtration Rate is Cockroft-Gault Formula

# concept[].definition
The measurement method of the Glomerular Filtration Rate is CKD-EPI Formula

# concept[].definition
The measurement method of the Glomerular Filtration Rate is MDRD

# concept[].display
Glomerular Filtration Rate non-black (MDRD)

# concept[].definition
The measurement method of the Glomerular Filtration Rate is non-black MDRD

# concept[].definition
The measurement method of the Glomerular Filtration Rate is black (MDRD)

# concept[].display
Glomerular Filtration Rate female (MDRD)

# concept[].definition
The measurement method of the Glomerular Filtration Rate is female (MDRD)

# concept[].definition
The measurement method of the Glomerular Filtration Rate is Cystatin-based formula

# concept[].definition
The measurement method of the Glomerular Filtration Rate is Creatinine-based formula (Schwartz)

# concept[].definition
Small body thickness for calcium scoring adjustment. Lateral thickness is measured from skin-to-skin, at the level of the proximal ascending aorta, from an A/P localizer image

# concept[].definition
Medium body thickness for calcium scoring adjustment. Lateral thickness is measured from skin-to-skin, at the level of the proximal ascending aorta, from an A/P localizer image

# concept[].definition
Large body thickness for calcium scoring adjustment. Lateral thickness is measured from skin-to-skin, at the level of the proximal ascending aorta, from an A/P localizer image

# concept[].definition
A human-readable label identifying an irradiation event

# concept[].definition
A number that identifies a Series. Corresponds to (0020,0011) in PS3.3

# concept[].definition
A number that identifies an Acquisition. Corresponds to (0020,0012) in PS3.3

# concept[].definition
A number that identifies an Instance. Corresponds to (0020,0013) in PS3.3

# concept[].definition
Acquisition where the X-Ray source does not move in relation to the patient

# concept[].definition
Acquisition where the X-Ray source moves laterally in relation to the patient

# concept[].definition
Acquisition where the X-Ray source moves angularly in relation to the patient

# concept[].definition
Primary plane of a Biplane acquisition equipment

# concept[].definition
Secondary plane of a Biplane acquisition equipment

# concept[].definition
Continuous X-Ray radiation is applied during an irradiation event

# concept[].definition
Pulsed X-Ray radiation is applied during an irradiation event

# concept[].definition
Filter with variation in thickness from one edge to the opposite edge

# concept[].definition
Filter with uniform thickness that is for spectral filtering only; e.g. filter out low energy portion of the X-Ray that would only contribute to skin dose, but not to image

# concept[].definition
A polyline defining the outline of a lobulated finding

# concept[].definition
A polyline defining the inner limits of a finding with fuzzy margin

# concept[].definition
A polyline defining the outer limits of a finding with fuzzy margin

# concept[].definition
A polyline defining the outline of the spiculations of a finding

# concept[].definition
A polyline segment graphically indicating the location and direction of a spiculation of a finding

# concept[].definition
A collection of points indicating the pixel locations of the spiculations of a finding

# concept[].definition
Connected line segments indicating the center of location of a finding on an orthogonal view

# concept[].definition
Connected line segments indicating the inner margin of the location of a finding on an orthogonal view

# concept[].definition
Connected line segments indicating the outer location of a finding on an orthogonal view

# concept[].definition
This procedure is intended to gather data that is used for calibration or other quality control purposes

# concept[].definition
An artificial subject of an imaging study

# concept[].definition
A phantom acceptable for the ACR Computed Tomography Accreditation program

# concept[].definition
A phantom acceptable for the ACR Magnetic Resonance Imaging Accreditation program

# concept[].definition
A phantom acceptable for the ACR Mammography Accreditation program

# concept[].display
ACR Accreditation Phantom - Stereotactic Breast Biopsy

# concept[].definition
A phantom acceptable for the ACR Stereotactic Breast Biopsy Accreditation program

# concept[].definition
A phantom acceptable for the ACR SPECT Accreditation program (but not for PET)

# concept[].definition
A phantom acceptable for the ACR PET Accreditation program (but not for SPECT)

# concept[].definition
A SPECT phantom with a PET faceplate acceptable for both the ACR SPECT and PET Accreditation programs

# concept[].display
ACR Accreditation Phantom - PET Faceplate

# concept[].definition
A PET faceplate (made to fit an existing flangeless or flanged ECT phantom) acceptable for the ACR PET Accreditation program

# concept[].definition
A phantom used for CTDI measurement in head modes according to IEC 60601-2-44, Ed.2.1 (Head 16 cm diameter Polymethyl methacrylate PMMA)

# concept[].definition
A phantom used for CTDI measurement in body modes according to IEC 60601-2-44, Ed.2.1 (Body 32cm diameter Polymethyl methacrylate PMMA)

# concept[].definition
A phantom in accordance with NEMA standard XR-21-2000

# concept[].definition
X-Ray dose data accumulated over multiple irradiation events; e.g. for a study or a performed procedure step

# concept[].definition
Imaging using a point X-Ray source with a diverging beam projected onto a 2 dimensional detector

# concept[].definition
Entity over which dose accumulation values are integrated

# concept[].definition
X-Ray dose data for a single Irradiation Event

# concept[].definition
Material containing Niobium or a Niobium compound

# concept[].definition
Material containing Europium or a Europium compound

# concept[].definition
Describes the method used to derive the calibration factor

# concept[].definition
Denotes the type of irradiation event recorded

# concept[].definition
Total calculated Dose Area Product (in the scope of the including report)

# concept[].definition
Last calibration Date for the integrated dose meter or dose calculation

# concept[].definition
Individual or organization responsible for calibration

# concept[].definition
Total Dose related to Reference Point (RP). (in the scope of the including report)

# concept[].definition
Total calculated Dose Area Product applied in Fluoroscopy Modes (in the scope of the including report)

# concept[].definition
Total calculated Dose Area Product applied in Acquisition Modes (in the scope of the including report)

# concept[].definition
Dose applied in Fluoroscopy Modes, related to Reference Point (RP). (in the scope of the including report)

# concept[].definition
Dose applied in Acquisition Modes, related to Reference Point (RP). (in the scope of the including report)

# concept[].definition
Total accumulated clock time of Fluoroscopy in the scope of the including report (i.e., the sum of the Irradiation Duration values for accumulated fluoroscopy irradiation events)

# concept[].definition
Accumulated Count of exposure pulses (single or multi-frame encoded) created from irradiation events performed with high dose (acquisition)

# concept[].definition
Mode of application of X-Rays during Fluoroscopy

# concept[].definition
Applied X-Ray Tube voltage at peak of X-Ray generation, in kilovolts; Mean value if measured over multiple peaks (pulses)

# concept[].definition
Cumulative time the patient has received X-Ray exposure during the irradiation event

# concept[].definition
Mean value of X-Ray Current Time product

# concept[].definition
Distance to the Reference Point (RP) defined according to IEC 60601-2-43 or equipment defined

# concept[].definition
Dose applied at the Reference Point (RP)

# concept[].definition
Positioner Primary Angle at the end of an irradiation event. For further definition see (112011, DCM, "Positioner Primary Angle") 

# concept[].definition
Positioner Secondary Angle at the end of an irradiation event. For further definition see (112012, DCM, "Positioner Secondary Angle") 

# concept[].definition
Clock time from the start of loading time of the first pulse until the loading time trailing edge of the final pulse in the same irradiation event. Note Loading time is defined in IEC 60601-1-3:2008, 3.37, and described in IEC 60601-2-54:2009, 203.4.101.3

# concept[].definition
Orientation of the Patient with respect to Gravity

# concept[].definition
Enhances or modifies the Patient orientation specified in Patient Orientation

# concept[].definition
Orientation of the Patient with respect to the Head of the Table

# concept[].definition
Distance from the X-Ray Source to the Equipment C-Arm Isocenter.(Center of Rotation)

# concept[].definition
Measured or calculated distance from the X-Ray source to the detector plane in the center of the beam

# concept[].definition
Table Longitudinal Position with respect to an arbitrary chosen reference by the equipment. Table motion towards LAO is positive assuming that the patient is positioned supine and its head is in normal position

# concept[].definition
Table Lateral Position with respect to an arbitrary chosen reference by the equipment. Table motion towards CRA is positive assuming that the patient is positioned supine and its head is in normal position

# concept[].definition
Table Height Position with respect to an arbitrary chosen reference by the equipment in (mm). Table motion downwards is positive

# concept[].definition
Angle of the head-feet axis of the table in degrees relative to the horizontal plane. Positive values indicate that the head of the table is upwards

# concept[].definition
Rotation of the table in the horizontal plane (clockwise when looking from above the table)

# concept[].definition
Angle of the left-right axis of the table in degrees relative to the horizontal plane. Positive values indicate that the left of the table is upwards

# concept[].definition
X-Ray absorbing material used in the filter

# concept[].definition
The minimum thickness of the X-Ray absorbing material used in the filters

# concept[].definition
Table Longitudinal Position at the end of an irradiation event; see (113751, DCM, "Table Longitudinal Position") 

# concept[].definition
Table Lateral Position at the end of an irradiation event; see (113752, DCM, "Table Lateral Position") 

# concept[].definition
Table Height Position at the end of an irradiation event; see (113753, DCM, "Table Height Position") 

# concept[].definition
Identification of Acquisition Plane with Biplane systems

# concept[].definition
Nominal Size of Focal Spot of X-Ray Tube

# concept[].definition
Average X-Ray Tube Current averaged over time for pulse or for continuous Fluoroscopy

# concept[].definition
Number of pulses applied by X-Ray systems during an irradiation event (acquisition run or pulsed fluoro)

# concept[].definition
Unique identification of a single irradiation event

# concept[].definition
Angle of the X-Ray beam in degree relative to an orthogonal axis to the detector plane

# concept[].definition
Devices used to modify the energy or energy distribution of X-Rays

# concept[].definition
Type of filter(s) inserted into the X-Ray beam; e.g. wedges

# concept[].definition
The maximum thickness of the X-Ray absorbing material used in the filters

# concept[].definition
System provided definition of the Reference Point used for Dose calculations

# concept[].definition
Distance between the collimator blades in pixel column direction as projected at the detector plane

# concept[].definition
Distance between the collimator blades in pixel row direction as projected at the detector plane

# concept[].definition
Collimated field area at image receptor. Area for compatibility with IEC 60601-2-43

# concept[].definition
Pulse rate applied by equipment during Fluoroscopy

# concept[].definition
Measured or calculated distance from the X-Ray source to the table plane in the center of the beam

# concept[].definition
Calibrated device to perform dose measurements

# concept[].definition
Effective Dose evaluation from the product of Dose Length Product (DLP) and the Effective Dose Conversion Factor (E/DLP in units of mSv/mGy-cm), where the ratio is derived by means of Monte Carlo computations

# concept[].display
CTDIfreeair to E conversion via MC computation

# concept[].definition
Effective Dose evaluation from the product of the Mean CTDIfreeair and the ratio E/CTDIfreeair (mSv/mGy), where the ratio is derived by means of Monte Carlo computations

# concept[].definition
Effective Dose evaluation from the product of Dose Length Product (DLP) and the Effective Dose Conversion Factor (E/DLP in units of mSv/mGy-cm), where the ratio is derived by means of dosimetric measurements with an anthropomorphic phantom

# concept[].display
CTDIfreeair to E conversion via measurement

# concept[].definition
Effective Dose evaluation from the product of the Mean CTDIfreeair and the ratio E/CTDIfreeair (mSv/mGy), where the ratio is derived by means of dosimetric measurements with an anthropomorphic phantom

# concept[].definition
The CT acquisition was performed by acquiring single or multi detector data while rotating the source about the gantry while the table is not moving. Additional slices are acquired by incrementing the table position and again rotating the source about the gantry while the table is not moving

# concept[].definition
The CT acquisition was performed by holding the source at a constant angle and moving the table to obtain a projection image; e.g. localizer

# concept[].definition
The CT acquisition was performed by holding the table at a constant position and acquiring multiple slices over time at the same location

# concept[].definition
The CT acquisition was performed while rotating the source about the gantry while the table movement is under direct control of a human operator or under the control of an analysis application; e.g. fluoro

# concept[].definition
Reference authority 1990 Recommendations of the International Commission on Radiological Protection (ICRP Publication 60, published as the Annals of the ICRP Vol. 21, No. 1-3, Pergamon Press,1991)

# concept[].definition
Start, DateTime of the first X-Ray Irradiation Event of the accumulation within a Study

# concept[].definition
End, DateTime of the last X-Ray Irradiation Event of the accumulation within a Study

# concept[].definition
X-Ray dose accumulated over multiple CT irradiation events; e.g. for a study or a performed procedure step

# concept[].definition
Total number of events during the defined scope of accumulation

# concept[].definition
The total dose length product defined scope of accumulation

# concept[].definition
The total Effective Dose at the defined scope of accumulation

# concept[].definition
Identification of the reference-patient model used when Effective Dose is evaluated via Monte Carlo calculations or from a Dose Length Product conversion factor based on Monte Carlo calculations

# concept[].definition
References the physical phantom and the type of dosimeter used when measurements are done to establish Effective Dose Conversion Factors (E/DLP) or ratios E/CTDIfreeair

# concept[].definition
General description of the CT Irradiation event

# concept[].definition
Thickness of an equivalent filter in mm in Aluminum

# concept[].definition
General description of the acquisition parameters

# concept[].definition
Total time the patient has received X-Ray exposure during the irradiation event

# concept[].definition
Length of the table travel during the entire tube loading, according to IEC 60601-2-44 Note Scanning Length might be longer than the programmed acquisition length (Length of Reconstructable Volume)

# concept[].definition
The value of the nominal width referenced to the location of the isocenter along the z axis of a single row of acquired data in mm

# concept[].definition
The value of the nominal width referenced to the location of the isocenter along the z axis of the total collimation in mm over the area of active X-Ray detection

# concept[].definition
For Spiral scanning: Pitch Factor = (Table Feed per Rotation (mm)) /(Nominal Total Collimation Width (mm)) For Sequenced scanning: Pitch Factor = (Table Feed per single Sequenced scan (mm)) /(Nominal Total Collimation Width (mm))

# concept[].definition
"Mean CTDIvol" refers to the average value of the CTDIvol associated with this acquisition

# concept[].definition
Identification, tube-potential, tube-current, and exposure-time parameters associated with an X-Ray source during an acquisition

# concept[].definition
Identifies the particular X-Ray source (in a multi-source CT system) for which the set of X-Ray source parameter values is reported

# concept[].definition
The exposure time for one rotation of the source around the object in s

# concept[].definition
A label describing the type of phantom used for CTDIW measurement according to IEC 60601-2-44 (Head 16 cm diameter PMMA, Body 32 cm diameter PMMA)

# concept[].definition
The CTDIfreeair Calculation Factor is the CTDIfreeair per mAs, expressed in units of mGy/mAs. The CTDIfreeair Calculation Factor may be used in one method calculating Dose

# concept[].definition
The average value of the free-in-air CTDI associated with this acquisition

# concept[].definition
Dose Length Product (DLP), expressed in mGy-cm, is an index characterizing the product of the CTDIvol and the length scanned. For Spiral scanning, DLP = CTDIvol x Scanning Length. For Sequenced scanning, DLP = CTDIvol x Nominal Total Collimation Width x Cumulative Exposure Time / Exposure Time per Rotation. For Stationary and Free scanning, DLP = CTDIvol x Nominal Total Collimation Width

# concept[].definition
Effective Dose per DLP, reference value for Effective Dose calculation, expressed in mSv/mGY.cm

# concept[].definition
Effective Dose Reference authority 2007 Recommendations of the International Commission on Radiological Protection (ICRP Publication 103, published as the Annals of the ICRP Vol. 37, No. 2-4, Elsevier, 2007)

# concept[].definition
The type of exposure modulation used for the purpose of limiting the dose

# concept[].definition
Measure of the detector response to radiation in the relevant image region of an image acquired with a digital X-Ray imaging system as defined in IEC 62494-1; see PS3.3 definition of Exposure Index Macro

# concept[].definition
The target value used to calculate the Deviation Index as defined in IEC 62494-1; see PS3.3 definition of Exposure Index Macro

# concept[].definition
A scaled representation of the accuracy of the Exposure Index compared to the Target Exposure Index as defined in IEC 62494-1; see PS3.3 definition of Exposure Index Macro

# concept[].definition
The clinician responsible for determining that the irradiating procedure was appropriate for the indications

# concept[].definition
The person responsible for the administration of radiation

# concept[].definition
An irradiation event is the loading of X-Ray equipment caused by a single continuous actuation of the equipment's irradiation switch, from the start of the loading time of the first pulse until the loading time trailing edge of the final pulse. Any automatic on-off switching of the irradiation source during the event is not treated as separate events, rather the event includes the time between start and stop of irradiation as triggered by the user; e.g. a pulsed fluoro X-Ray acquisition shall be treated as a single irradiation event

# concept[].definition
Unique Identifier of an Irradiation Event

# concept[].definition
Method by which dose-related details of an Irradiation Event were obtained

# concept[].definition
Total accumulated acquisition clock time in the scope of the including report (i.e., the sum of the Irradiation Duration values for accumulated acquisition irradiation events)

# concept[].definition
Direct recording of data by a relevant system

# concept[].definition
Recording of data by a human operator, including manual transcription of electronic data

# concept[].definition
The data is taken from an MPPS SOP Instance

# concept[].definition
A device exposing a patient to ionizing radiation

# concept[].definition
15cm from the isocenter towards the X-Ray source; See IEC 60601-2-43

# concept[].definition
30cm in front (towards the tube) of the input surface of the image receptor; See FDA Federal Performance Standard for Diagnostic X-Ray Systems §1020.32(d) (7)

# concept[].definition
1cm above the patient tabletop or cradle; See FDA Federal Performance Standard for Diagnostic X-Ray Systems §1020.32(d) (7)

# concept[].definition
30cm above the patient tabletop of cradle; See FDA Federal Performance Standard for Diagnostic X-Ray Systems §1020.32(d) (7)

# concept[].definition
15cm from the centerline of the X-Ray table and in the direction of the X-Ray source; See FDA Federal Performance Standard for Diagnostic X-Ray Systems §1020.32(d) (7)

# concept[].display
Entrance exposure to a 4.2 cm breast thickness

# concept[].definition
Standard breast means a 4.2 centimeter (cm) thick compressed breast consisting of 50 percent glandular and 50 percent adipose tissue. See Department of Health and Human Services, Food and Drug Administration. Mammography quality standards; final rule. Federal Register. Oct. 28, 1997; 68(208):55852-55994; see 900.2(uu)

# concept[].definition
The data is copied from information present in the image attributes; e.g. dose attributes such as CTDIvol (0018,9345)

# concept[].definition
The data is computed from information present in the image attributes; e.g. by using dosimetry information for the specific irradiating device make and model, applied to technique information such as KVP and mAs

# concept[].definition
The data is derived from human-readable reports; e.g. by natural language parsing of text reports, or optical character recognition from reports saved as images by the irradiating device

# concept[].definition
An identification number or code for a specific person

# concept[].definition
The organization that issued a Person ID

# concept[].definition
The role played by a person in an organization

# concept[].definition
The role played by a person in a procedure

# concept[].definition
The role played by a device in a procedure

# concept[].definition
The name used to refer to a device; usually locally unique

# concept[].definition
All planes of a multi-plane acquisition equipment

# concept[].definition
The length from which images may be reconstructed (i.e., excluding any overranging performed in a spiral acquisition that is required for data interpolation). Value is distinct from (1113825, DCM, "Scanning Length"), which is the actual length of the table travel during the entire tube loading, according to IEC 60601-2-44, and includes overranging. Also distinct from any actual Reconstructed Volume, which may depend on the slice thickness chosen for a particular reconstruction

# concept[].display
Top Z Location of Reconstructable Volume

# concept[].definition
The Z location that is the top (highest Z value) of the Reconstructable Volume. Specified as the Z component within the Patient Coordinate System defined by a specified Frame of Reference

# concept[].display
Bottom Z Location of Reconstructable Volume

# concept[].definition
The Z location that is the bottom (lowest Z value) of the Reconstructable Volume. Specified as the Z component within the Patient Coordinate System defined by a specified Frame of Reference

# concept[].definition
The Z location that is the top (highest Z value) of the scanning length. Specified as the Z component within the Patient Coordinate System defined by a specified Frame of Reference

# concept[].definition
The Z location that is the bottom (lowest Z value) of the scanning length. Specified as the Z component within the Patient Coordinate System defined by a specified Frame of Reference

# concept[].definition
The range along the z axis of the total volume irradiated, per IEC 60601-2-44, Ed. 3, 203.115(b). The start and stop of loading corresponding to the outer edge of the full width half maximum of the free-in-air dose profile for the beam collimation used

# concept[].definition
Report section about cumulative dose alerts during an examination

# concept[].definition
Flag denoting whether a DLP Alert Value was configured

# concept[].definition
Flag denoting whether a CTDIvol Alert Value was configured

# concept[].definition
Cumulative Dose Length Product value configured to trigger an alert; see NEMA XR 25-2010 Dose Check Standard

# concept[].definition
Cumulative CTDIvol value configured to trigger an alert; see NEMA XR 25-2010 Dose Check Standard

# concept[].definition
A forward estimate of the accumulated DLP plus the estimated DLP for the next Protocol Element Group; see NEMA XR 25-2010 Dose Check Standard

# concept[].definition
A forward estimate at a given location of the accumulated CTDIvol plus the estimated CTDIvol for the next Protocol Element Group; see NEMA XR 25-2010 Dose Check Standard

# concept[].definition
Reason provided for proceeding with a procedure that is projected to exceed a configured dose value

# concept[].definition
Report section about dose notifications during a protocol element

# concept[].definition
Flag denoting whether a DLP Notification Value was configured

# concept[].definition
Flag denoting whether a CTDIvol Notification Value was configured

# concept[].definition
Dose Length Product value configured to trigger a notification for a given protocol element

# concept[].definition
CTDIvol value configured to trigger a notification for a given protocol element

# concept[].definition
A forward estimate of the DLP for the next Protocol Element Group; see NEMA XR 25-2010 Dose Check Standard

# concept[].definition
A forward estimate of the CTDIvol for the next Protocol Element Group; see NEMA XR 25-2010 Dose Check Standard

# concept[].definition
The amount of ionizing radiation to which the patient was exposed

# concept[].definition
Type, amount and route of radioactive substance administered

# concept[].extension[].valueCoding.display
Radiation Exposure and Protection Information

# concept[].display
Radiation Exposure and Protection Information

# concept[].definition
Exposure to ionizing radiation and associated preventive measures used to reduce the exposure of parts of the body like lead apron or eye, thyroid gland or gonad protection

# concept[].definition
The Size-Specific Dose Estimate is a patient dose estimate that takes into account the size of the patient, such as described in AAPM Report 204 by using linear dimensions measured on the patient or patient images or estimated from patient age

# concept[].definition
The side-to-side (left to right) dimension of the body part being scanned (per AAPM Report 204)

# concept[].definition
The thickness of the body part being scanned, in the antero-posterior dimension (per AAPM Report 204)

# concept[].definition
The diameter of the patient at a given location along the Z-axis of the patient, assuming that the patient has a circular cross-section (per AAPM Report 204)

# concept[].definition
The Size Specific Dose Estimation is computed using Table 1B (32cm phantom) or Table 2B (16cm phantom) of AAPM Report 204

# concept[].definition
The Size Specific Dose Estimation is computed using Table 1C (32cm phantom) or Table 2C (16cm phantom) of AAPM Report 204

# concept[].display
AAPM 204 Sum of Lateral and AP Dimension

# concept[].definition
The Size Specific Dose Estimation is computed using Table 1A (32cm phantom) or Table 2A (16cm phantom) of AAPM Report 204

# concept[].display
AAPM 204 Effective Diameter Estimated From Patient Age

# concept[].definition
The Size Specific Dose Estimation is computed using Table 1D (32cm phantom) or Table 2D (16cm phantom) using an effective diameter estimated from the patient's age using Table 3 of AAPM Report 204

# concept[].definition
Values calculated from other existing parameters

# concept[].definition
A segmented region of the detector surface within the irradiated area (but might not be near the center of the detector)

# concept[].definition
A device that creates digital images from X-Ray detectors (Direct, Indirect or Storage)

# concept[].definition
Parameters related to the X-Ray source (generator, tube, etc.) are available to the recording application

# concept[].definition
Parameters related to the X-Ray Mechanical System (Stand, Table) are available to the recording application

# concept[].definition
Parameters related to the X-Ray Detector are available to the recording application

# concept[].definition
Describes the radiographic method of patient, tube and detector positioning to achieve a well described projection or view

# concept[].definition
Type of Detector used to acquire data; e.g. Images

# concept[].definition
Detector that directly transforms the input signal to pixel values

# concept[].definition
Detector that transforms an intermediate signal into pixel values; e.g. a scintillator-based detector

# concept[].definition
Storage detector that stores a signal that is later transformed by a reader into pixel values; e.g. a phosphor-based detector

# concept[].definition
Film that is scanned to create pixel values

# concept[].definition
The cassette/detector is mounted in the patient table

# concept[].definition
The cassette/detector is not mounted.; e.g. a cassette placed underneath the patient

# concept[].definition
The cassette/detector is mounted in an upright stand

# concept[].definition
The cassette/detector is mounted on a c-arm

# concept[].definition
Method of mounting or positioning a CR/DR cassette or detector

# concept[].definition
An integrated projection radiography system capable of fluoroscopy

# concept[].definition
A projection radiography system where the X-Ray detector, X-Ray Source and gantry components are integrated and the managing system is able to access details of each component

# concept[].definition
A projection radiography system where the X-Ray detector, X-Ray Source and gantry components are not integrated; e.g. cassette-based CR and DR systems

# concept[].definition
Description of the algorithm used when reconstructing the image from the data acquired during the acquisition process

# concept[].definition
An algorithm for reconstructing an image from multiple projections by back-projecting the measured values along the line of the projection and filtering the result to reduce blurring

# concept[].definition
An algorithm for reconstructing an image from multiple projections by starting with an assumed reconstructed image, computing projections from the image, comparing the original projection data and updating the reconstructed image based upon the difference between the calculated and the actual projections

# concept[].definition
The period of time from the start of a Procedure Step until the time point established by the context of the reference

# concept[].definition
Measurement not available: Not a number (per IEEE 754)

# concept[].definition
Measurement not available: Negative Infinity (per IEEE 754)

# concept[].definition
Measurement not available: Positive Infinity (per IEEE 754)

# concept[].definition
Measurement not available: Divide by zero (per IEEE 754)

# concept[].definition
Measurement not available: Underflow (per IEEE 754)

# concept[].definition
Measurement not available: Overflow (per IEEE 754)

# concept[].definition
Measurement not available: Measurement failure

# concept[].definition
Measurement not available: Measurement not attempted

# concept[].definition
Measurement not available: Calculation failure

# concept[].definition
Measurement not available: Value out of range

# concept[].definition
Measurement not available: Value unknown

# concept[].definition
Measurement not available: Value indeterminate

# concept[].definition
Measures the time-of-flight of a light signal between the camera and the subject for each point of the image

# concept[].definition
Interferometry is a family of techniques in which waves are superimposed in order to extract depth information about the scanned object

# concept[].definition
Laser scanning describes the general method to sample or scan a surface using laser technology

# concept[].definition
Projecting a narrow band of light onto a three-dimensionally shaped surface produces a line of illumination that appears distorted from other perspectives than that of the projector. It can be used for an exact geometric reconstruction of the surface shape

# concept[].definition
A technique for estimating the surface normal of an object by observing that object under different lighting conditions

# concept[].definition
A technique for estimating the surface normal of an object by observing that object under different motions

# concept[].definition
An optical imaging technique used to increase optical resolution and contrast of a micrograph by using point illumination and a spatial pinhole to eliminate out-of-focus light in specimens that are thicker than the focal plane. It enables the reconstruction of 3D structures from the obtained images

# concept[].definition
Point cloud that was calculated by an algorithm

# concept[].definition
Scanning the object from different views by placing it on a rotating table

# concept[].definition
Higher resolution with a longer acquisition time

# concept[].definition
Lower resolution with a shorter acquisition time

# concept[].definition
An algorithm employed to minimize the difference between two clouds of points. It iteratively revises the transformation (translation, rotation) needed to minimize the distance between the points of two point clouds

# concept[].definition
Human controlled minimization of the distance between the points of two point clouds

# concept[].definition
Scanning the object from different views by placing it in front of a checkerboard pattern

# concept[].definition
Type of source for observations quoted from an external source

# concept[].definition
Reference to external source of quoted observations

# concept[].definition
Documentary source of quoted observations

# concept[].definition
Type of observer that created the observations

# concept[].definition
Automated device created the observations

# concept[].definition
Name of human observer that created the observations

# concept[].definition
Organization or institution with which the human observer is affiliated for the context of the current observation

# concept[].display
Person Observer's Role in the Organization

# concept[].definition
Organizational role of human observer for the context of the current observation

# concept[].display
Person Observer's Role in this Procedure

# concept[].definition
Procedural role of human observer for the context of the current observation

# concept[].definition
Unique identifier of automated device that created the observations

# concept[].definition
Institution-provided identifier of automated device that created the observations

# concept[].definition
Manufacturer of automated device that created the observations

# concept[].definition
Manufacturer-provided model name of automated device that created the observations

# concept[].definition
Manufacturer-provided serial number of automated device that created the observations

# concept[].display
Device Observer Physical Location During Observation

# concept[].definition
Location of automated device that created the observations whilst the observations were being made

# concept[].definition
Unique identifier for the Study or Requested Procedure

# concept[].definition
Unique identifier for the Performed Procedure Step

# concept[].definition
Identifier for the Order (or Service Request) assigned by the order placer system

# concept[].definition
Identifier for the Order (or Service Request) assigned by the order filler system

# concept[].definition
Identifier for the Order (or Service Request) assigned by the department information system

# concept[].definition
Type of procedure scheduled or performed

# concept[].definition
A patient is the subject of observations

# concept[].definition
Fetus of patient is the subject of observations

# concept[].definition
Unique Identifier of patient or fetus who is the subject of observations

# concept[].definition
Name of patient who is the subject of observations

# concept[].definition
Identifier of patient or fetus who is the subject of observations

# concept[].definition
Birth Date of patient who is the subject of observations

# concept[].definition
Sex of patient who is the subject of observations

# concept[].definition
Age of patient who is the subject of observations

# concept[].definition
Species of patient who is the subject of observations

# concept[].definition
Name of mother of fetus that is the subject of observations

# concept[].definition
Unique Identifier of specimen that is the subject of observations

# concept[].definition
Accession Number of specimen that is the subject of observations

# concept[].definition
Identifier of specimen that is the subject of observations

# concept[].definition
Coded category of specimen that is the subject of observations

# concept[].definition
Identifier of specimen microscope slide that is the subject of observations

# concept[].definition
Unique Identifier of specimen microscope slide that is the subject of observations

# concept[].definition
The language of the content, being a language that is primarily used for human communication; e.g. English, French

# concept[].definition
The country-specific variant of language; e.g. Canada for Candadian French

# concept[].definition
The language of the value component of a name-value pair

# concept[].definition
The language of both the name component and the value component of a name-value pair

# concept[].display
Language of Content Item and Descendants

# concept[].definition
The language of the current content item (node in a tree of content) and all its descendants

# concept[].definition
The human readable meaning of the name component of a name-value pair that is equivalent to the post-coordinated meaning conveyed by the coded name and its concept modifier children

# concept[].definition
The human readable meaning of the value component of a name-value pair that is equivalent to the post-coordinated meaning conveyed by the coded value and its concept modifier children

# concept[].definition
Whether or not the property concept being modified is present or absent

# concept[].definition
A set of points on an image, that when connected by line segments, provide a polyline from which a linear measurement was inferred

# concept[].definition
A set of points on an image, that when connected by line segments, provide a closed polyline that is the border of a defined region from which an area, or two-dimensional measurement, was inferred

# concept[].definition
A set of points on an image, that when connected by line segments, provide a closed polyline that is a two-dimensional border of a three-dimensional region's intersection with, or projection into the image

# concept[].definition
The imaging procedure whose results are reported

# concept[].definition
Presence or absence of a property is undetermined

# concept[].definition
An observation found on a prior imaging study

# concept[].definition
An observation found on an imaging study

# concept[].definition
An interpretation in the clinical context of the finding(s) on an imaging study

# concept[].definition
A recommendation for management or investigation based on the findings and impressions of an imaging study

# concept[].definition
An interpretation in the clinical context of the finding(s) on an imaging study

# concept[].definition
Initial images used to esyablish a beginning condition that is used for comparison over time to look for changes. [Paraphrases NCI-PT (C1442488, UMLS, "Baseline"), which is defined as "An initial measurement that is taken at an early time point to represent a beginning condition, and is used for comparison over time to look for changes. For example, the size of a tumor will be measured before treatment (baseline) and then afterwards to see if the treatment had an effect. A starting point to which things may be compared."]

# concept[].definition
A selection of composite instances that best illustrates a particular finding; e.g. an image slice at the location of the largest extent of a tumor

# concept[].definition
A medical practitioner undergoing sub-specialty training; e.g. during the period after specialty training (residency)

# concept[].definition
A medical practitioner with sub-specialty training in Ultrasound

# concept[].definition
The person responsible for performing the procedure

# concept[].definition
The person responsible for referring the patient for the procedure

# concept[].definition
The person responsible for requesting the procedure

# concept[].definition
The person responsible for recording the procedure or observation

# concept[].definition
The person responsible for verifying the recorded procedure or observation

# concept[].definition
The person responsible for assisting with the procedure

# concept[].definition
The person responsible for making preparations for and monitoring the procedure

# concept[].definition
The person responsible for standing by to assist with the precedure if required

# concept[].definition
Sex of subject undetermined at time of encoding

# concept[].definition
Patient condition at the beginning of a healthcare encounter

# concept[].definition
Summary of a procedure, including most significant findings

# concept[].definition
Image or waveform used as source for measurement

# concept[].definition
Summary of patient condition upon Discharge from a healthcare facility

# concept[].definition
Proximal Anatomic Location for a differential measurement; may be considered subtype of term (G-C0E3, SRT, "Finding Site"); e.g. distance or pressure gradient

# concept[].definition
Distal Anatomic Location for a differential measurement; may be considered subtype of term (G-C0E3, SRT, "Finding Site"); e.g. distance or pressure gradient

# concept[].definition
Time-stamped record of events that occur during a catheterization procedure

# concept[].definition
A recorded Patient Status or an event involving a patient

# concept[].definition
Identification of a step, action, or phase of a procedure

# concept[].definition
DateTime of Recording of an Entry in an Event Log

# concept[].display
Performed Procedure Step SOP Instance UID

# concept[].definition
SOP Instance UID of a Performed Procedure Step

# concept[].definition
SOP Class UID of a Performed Procedure Step

# concept[].definition
Duration of a step, action, or phase of a procedure

# concept[].definition
Beginning of a step, action, or phase of a procedure

# concept[].definition
End of a step, action, or phase of a procedure

# concept[].definition
Suspension of a step, action, or phase of a procedure

# concept[].definition
Resumption of a step, action, or phase of a procedure

# concept[].definition
Concept modifier for the DateTime of Recording of an Entry in an Event Log

# concept[].definition
Recorded DateTime had its source in a system clock not synchronized to other recorded DateTimes

# concept[].definition
Duration of the acquisition of an image or a waveform

# concept[].definition
Description of Material used in a procedure

# concept[].definition
Quantity of Material used in a procedure

# concept[].definition
Billing Code for materials used in a procedure

# concept[].definition
Vendor or local coded value identifying a device

# concept[].definition
Identification of a Lesion observed during an imaging procedure

# concept[].definition
Assessment of the risk a coronary lesion presents to the health of a patient

# concept[].definition
Identifier for an attempted Intervention

# concept[].definition
Use of a device to deploy another device

# concept[].definition
Action of a clinical professional at the site of percutaneous access to a patient's cardiovascular system

# concept[].definition
The action or event of beginning circulatory support for a patient

# concept[].definition
The action or event of ending circulatory support for a patient

# concept[].definition
The action or event of beginning administration of oxygen to a patient

# concept[].definition
The action or event of ending administration of oxygen to a patient

# concept[].definition
Method of administration of oxygen to a patient by ventilator

# concept[].definition
The action or event of assessing the clinical status of a patient

# concept[].definition
The action or event of beginning pacing support for a patient

# concept[].definition
The action or event of ending pacing support for a patient

# concept[].definition
The action or event of beginning ventilation support for a patient

# concept[].definition
The action or event of ending ventilation support for a patient

# concept[].definition
Procedural note originated by a technologist

# concept[].definition
Procedural note originated by a Physician

# concept[].definition
List of references to images considered significant

# concept[].definition
List of references to DICOM SOP Instances

# concept[].definition
Individual frames selected as a subset of a multi-frame image

# concept[].definition
Segment selected as a subset of a segmentation image, specifically the pixels/voxels identified as belonging to the classification of the identified segment

# concept[].definition
Name or other identifier of a device that is the subject of observations

# concept[].definition
Manufacturer of a device that is the subject of observations

# concept[].definition
Model Name of a device that is the subject of observations

# concept[].definition
Serial Number of a device that is the subject of observations

# concept[].display
Device Subject Physical Location during observation

# concept[].definition
Physical Location of a device that is the subject of observations during those observations

# concept[].definition
Unique Identifier of a device that is the subject of observations

# concept[].definition
A one dimensional, or linear, numeric measurement

# concept[].definition
Distance between marks on a device of calibrated size; e.g. a ruler

# concept[].definition
A one dimensional, or linear, numeric measurement along a polyline

# concept[].definition
Frame selected from a segmentation image, specifically the pixels/voxels identified as belonging to the classification of the segment encompassing the identified frame

# concept[].definition
A three-dimensional numeric measurement that is approximate, based on a two-dimensional region in a single image

# concept[].display
Volume estimated from three or more non-coplanar 2D regions

# concept[].definition
A three-dimensional numeric measurement that is approximate, based on three or more non-coplanar two-dimensional image regions

# concept[].display
Volume estimated from two non-coplanar 2D regions

# concept[].definition
A three-dimensional numeric measurement that is approximate, based on two non-coplanar two-dimensional image regions

# concept[].display
Volume of bounding three dimensional region

# concept[].definition
A three-dimensional numeric measurement of the bounding region of a three-dimensional region of interest in an image set

# concept[].definition
A three-dimensional numeric measurement of the bounding sphere of a three-dimensional region of interest in an image set

# concept[].definition
A three-dimensional numeric measurement of an ellipsoid shaped three-dimensional region of interest in an image set

# concept[].definition
A three-dimensional numeric measurement of a sphere shaped three-dimensional region of interest in an image set

# concept[].definition
Coordinates of a point on a defined path

# concept[].definition
Surface of an identified or measured volume

# concept[].definition
Series of image instances used as source data for a segmentation

# concept[].definition
Image instances used as source data for a segmentation

# concept[].definition
Indicates the location of the area of interest as measured from the nipple of the breast

# concept[].definition
Indicates the location of the area of interest as measured from the most direct skin point of the breast

# concept[].definition
Indicates the location of the area of interest as measured from the chest wall

# concept[].definition
Patient exposure to ionizing radiation (procedure)

# concept[].definition
The act of communicating actionable findings to a responsible receiver

# concept[].definition
Reference is to a Doppler waveform acquired simultaneously with an image

# concept[].definition
Reference is to a Hemodynamic waveform acquired simultaneously with an image

# concept[].definition
Reference is to a ECG waveform acquired simultaneously with an image

# concept[].definition
Reference is to a voice narrative recording acquired simultaneously with an image

# concept[].definition
A waveform representing chest expansion and contraction due to respiratory activity, measured simultaneously with the acquisition of this Image

# concept[].definition
Arterial pulse waveform obtained simultaneously with acquisition of a referencing image

# concept[].definition
Phonocardiographic waveform obtained simultaneously with acquisition of a referencing image

# concept[].definition
Image providing an anatomical reference on the patient under examination, for the purpose of defining the location of the ensuing imaging

# concept[].definition
Image providing an anatomical reference on the patient under examination, for the purpose of planning or documenting a biopsy

# concept[].definition
Image providing a partial view of the target anatomy, when the target anatomy is too large for a single image

# concept[].definition
Image providing a view of the target anatomy in a different imaging plane, typically from a near perpendicular angle

# concept[].definition
Image providing a view of the target anatomy in a different imaging plane, typically with a small angular difference

# concept[].definition
Image related to a non-image information object

# concept[].definition
Image where signals are identified and separated according to their frequencies; e.g. to identify individual chemicals, or individual nuclei in a chemical compound

# concept[].display
Spectroscopy Data for Water Phase Correction

# concept[].definition
MR spectroscopy data acquired to correct the phase of the diagnostic data for the phase signal of the Water

# concept[].definition
An image that has not already been lossy compressed that is used as the source for creation of a lossy compressed image

# concept[].display
Mask image for image processing operation

# concept[].definition
Image used as the mask for an image processing operation, such as subtraction

# concept[].display
Source image for image processing operation

# concept[].definition
Image used as the source for an image processing operation

# concept[].display
Source series for image processing operation

# concept[].definition
Series used as the source for an image processing operation

# concept[].definition
Image used as the source for a derived or compressed image

# concept[].definition
Image encoded with a lossy compression transfer syntax

# concept[].definition
SOP Instance encoded with a different SOP Class but otherwise equivalent data

# concept[].definition
Full fidelity image, uncompressed or lossless compressed

# concept[].definition
Image encoded with a different photometric interpretation

# concept[].definition
Image used as a source for a montage (stitched) image

# concept[].definition
An image that has previously been lossy compressed that is used as the source for creation of another lossy compressed image

# concept[].definition
HL7 Document Architecture (CDA) Document that contains clinical content equivalent to the referencing Instance

# concept[].definition
Instance that contains a displayable complete rendering of the referencing Instance

# concept[].definition
Instance that contains a displayable partial rendering of the referencing Instance

# concept[].definition
Instance that contains a displayable complete rendering of the referencing Instance, plus additional content such as inline rendering of referenced images

# concept[].definition
Document whose content has been wholly or partially transformed to create the referencing document

# concept[].definition
Image showing structural anatomic features

# concept[].definition
Image showing physical or chemical activity

# concept[].definition
Image providing the same view of the target anatomy acquired using only a specific imaging wavelength, frequency or energy

# concept[].definition
Image providing an anatomical reference on the patient under examination, for the purpose of documenting the location of device such as a diagnostic or therapeutic catheter

# concept[].definition
Image providing a graphic view of the distribution of radiation dose

# concept[].display
Acquisition frames corresponding to volume

# concept[].definition
The referenced image is the source of spatially-related frames from which the referencing 3D volume data set was derived

# concept[].display
Volume corresponding to spatially-related acquisition frames

# concept[].definition
3D Volume containing the spatially-related frames in the referencing instance

# concept[].definition
Instance acquired prior to the referencing instance in a set of consecutively acquired instances

# concept[].definition
Instance acquired subsequent to the referencing instance in a set of consecutively acquired instances

# concept[].definition
Image of the same target area at lower resolution acquired in the same acquisition process

# concept[].definition
Image of the same target area at higher resolution acquired in the same acquisition process

# concept[].display
Same acquisition at different focal depth

# concept[].definition
Image of the same target area at different focal depth (Z-plane) acquired in the same acquisition process

# concept[].display
Same acquisition at different spectral band

# concept[].definition
Image of the same target area at different spectral band acquired in the same acquisition process

# concept[].definition
Image specifically targeting the container label

# concept[].definition
Source image from which FOR PRESENTATION images were created

# concept[].definition
The reference is to a predecessor report that has been replaced by the current report

# concept[].definition
The reference is to a predecessor report to which the current report provides and addendum

# concept[].definition
A report that precedes the final report and may contain only limited information; it may be time sensitive, and it is not expected to contain all the reportable findings

# concept[].definition
The dose object created was calculated by summation of existing, previously calculated, RT Dose instances

# concept[].display
Composed from prior doses and current plan

# concept[].definition
The dose object created was calculated by summation of existing, previously calculated, RT Dose instances and dose newly calculated by the application. The newly calculated dose may or may not exist as an independent object

# concept[].definition
RT Dose Instances used as source for calculated dose

# concept[].definition
Concentration of the chemically or physically interesting (active) ingredient of a drug or contrast agent as delivered in product form from the manufacturer, typically in mg/ml

# concept[].definition
X-Ray absorption of the active ingredient of a contrast agent ingredient is greater than the absorption of water (tissue)

# concept[].definition
Number of units of substance administered to a patient; e.g. tablets

# concept[].definition
Mass of substance administered to a patient

# concept[].definition
Method of deriving or calculating a measured value; e.g. mean, or maximum of set

# concept[].definition
Assessment of a measurement relative to a normal range of values; may be considered subtype of term (G-C0F2, SRT, "has interpretation")

# concept[].definition
Status of selection of a measurement for further processing or use

# concept[].definition
Description of a population of measurements

# concept[].definition
Bibliographic or clinical reference for a Description of a population of measurements

# concept[].definition
Description of a normal range of values for a measurement concept

# concept[].definition
Bibliographic or clinical reference for a Description of a normal range of values

# concept[].definition
Observation value selected by user for further processing or use, or as most representative

# concept[].definition
Observation value is the recently obtained, and has been selected for further processing or use

# concept[].definition
Observation value is the mean of several measurements, and has been selected for further processing or use

# concept[].definition
Standard deviation of a measurement in a reference population

# concept[].definition
Percentile Ranking of an observation value with respect a reference population

# concept[].definition
Z-score of an observation value with respect a reference population, expressed as the dimensionless quantity (x-m) /s, where (x-m) is the deviation of the observation value (x) from the population mean (m), and s is the standard deviation of the population

# concept[].definition
2 Sigma deviation of a measurement in a reference population

# concept[].definition
Formula used to compute a derived measurement

# concept[].definition
Bibliographic reference to a formula used to compute a derived measurement; reference may be to a specific equation in a journal article

# concept[].definition
Bibliographic reference to a Table of Values used to look up a derived measurement

# concept[].definition
Bibliographic reference to a method used to compute a derived measurement

# concept[].definition
A Table of Values used to look up a derived measurement

# concept[].definition
Factor (divisor or multiplicand) for normalizing a measurement; e.g. body surface area used for normalizing hemodynamic measurements

# concept[].definition
Measurement obtained by observer estimation, rather than with a measurement tool or by calculation

# concept[].definition
Identified issue about a state or process that has the potential to require intervention or management

# concept[].definition
DateTime concern noted (noted by whom is determined by context of use)

# concept[].definition
Place at which healthcare services may be provided

# concept[].definition
Identification of a healthcare provider who performed a healthcare service; may be either a person or an organization

# concept[].definition
Type or identifier of a medical device used on, in, or by a patient

# concept[].definition
Cardiac stress test using pharmacologic and exercise stressors

# concept[].definition
Cardiac stress test using an implanted or external cardiac pacing device

# concept[].definition
Procedure for correction of congenital cardiovascular deformity

# concept[].definition
Process of placing patient in the anticipated treatment position, including specification and location of positioning aids, and other treatment delivery accessories

# concept[].display
RT Patient Position Acquisition, single plane MV

# concept[].definition
Acquisition of patient positioning information prior to treatment delivery, using single-plane megavoltage imaging

# concept[].display
RT Patient Position Acquisition, dual plane MV

# concept[].definition
Acquisition of patient positioning information prior to treatment delivery, using dual-plane megavoltage imaging

# concept[].display
RT Patient Position Acquisition, single plane kV

# concept[].definition
Acquisition of patient positioning information prior to treatment delivery, using single-plane kilovoltage imaging

# concept[].display
RT Patient Position Acquisition, dual plane kV

# concept[].definition
Acquisition of patient positioning information prior to treatment delivery, using dual-plane kilovoltage imaging

# concept[].display
RT Patient Position Acquisition, dual plane kV/MV

# concept[].definition
Acquisition of patient positioning information prior to treatment delivery, using dual-plane combination kilovoltage and megavoltage imaging

# concept[].definition
Acquisition of patient positioning information prior to treatment delivery, using kilovoltage CT imaging

# concept[].definition
Acquisition of patient positioning information prior to treatment delivery, using megavoltage CT imaging

# concept[].display
RT Patient Position Acquisition, Optical

# concept[].definition
Acquisition of patient positioning information prior to treatment delivery, using optical imaging

# concept[].display
RT Patient Position Acquisition, Ultrasound

# concept[].definition
Acquisition of patient positioning information prior to treatment delivery, using ultrasound imaging

# concept[].display
RT Patient Position Acquisition, Spatial Fiducials

# concept[].definition
Acquisition of patient positioning information prior to treatment delivery, using spatial fiducials

# concept[].display
RT Patient Position Registration, single plane

# concept[].definition
Registration of intended and actual patient position prior to treatment delivery, using single-plane images

# concept[].display
RT Patient Position Registration, dual plane

# concept[].definition
Registration of intended and actual patient position prior to treatment delivery, using dual-plane images

# concept[].display
RT Patient Position Registration, 3D CT general

# concept[].definition
Registration of intended and actual patient position prior to treatment delivery, using 3D CT images and an unspecified registration approach

# concept[].display
RT Patient Position Registration, 3D CT marker-based

# concept[].definition
Registration of intended and actual patient position prior to treatment delivery, using 3D CT images and a marker-based registration approach

# concept[].display
RT Patient Position Registration, 3D CT volume-based

# concept[].definition
Registration of intended and actual patient position prior to treatment delivery, using 3D CT images and a volume-based registration approach

# concept[].display
RT Patient Position Registration, 3D on 2D reference

# concept[].definition
Registration of intended and actual patient position prior to treatment delivery, using 3D verification images and 2D reference images

# concept[].display
RT Patient Position Registration, 2D on 3D reference

# concept[].definition
Registration of intended and actual patient position prior to treatment delivery, using 2D verification images and 3D reference images

# concept[].display
RT Patient Position Registration, Optical

# concept[].definition
Registration of intended and actual patient position prior to treatment delivery, using optical images

# concept[].display
RT Patient Position Registration, Ultrasound

# concept[].definition
Registration of intended and actual patient position prior to treatment delivery, using ultrasound images

# concept[].display
RT Patient Position Registration, Spatial Fiducials

# concept[].definition
Registration of intended and actual patient position prior to treatment delivery, using spatial fiducials

# concept[].definition
Adjustment of patient position such that the patient is correctly positioned for treatment

# concept[].display
RT Patient Position In-treatment-session Review

# concept[].definition
Review of patient positioning information in the process of delivering a treatment session

# concept[].display
RT Treatment Simulation with Internal Verification

# concept[].definition
Simulated radiotherapy treatment delivery using verification integral to the Treatment Delivery System

# concept[].display
RT Treatment Simulation with External Verification

# concept[].definition
Simulated radiotherapy treatment delivery using verification by a external Machine Parameter Verifier

# concept[].definition
Radiotherapy treatment delivery using verification integral to the Treatment Delivery System

# concept[].definition
Radiotherapy treatment delivery using verification by an external Machine Parameter Verifier

# concept[].display
RT Treatment QA with Internal Verification

# concept[].definition
Quality assurance of a radiotherapy treatment delivery using verification integral to the Treatment Delivery System

# concept[].display
RT Treatment QA with External Verification

# concept[].definition
Quality assurance of a radiotherapy treatment delivery using verification by an external Machine Parameter Verifier

# concept[].definition
Quality assurance of a Treatment Delivery Device

# concept[].definition
Perform Quality Assurance on an RT Plan by evaluating dosimetric content of the current RT Plan

# concept[].display
RT Treatment QA by RT Plan Difference Check

# concept[].definition
Perform Quality Assurance on an RT Plan by comparing the content of previously quality-assessed RT Plans with the current RT Plan

# concept[].display
RT Treatment QA by RT Ion Plan Dose Check

# concept[].definition
Perform Quality Assurance on an RT Ion Plan by evaluating dosimetric content of the current RT Ion Plan

# concept[].display
RT Treatment QA with RT Ion Plan Difference Check

# concept[].definition
Perform Quality Assurance on an RT Ion Plan by comparing the content of previously quality-assessed RT Ion Plans with the current RT Ion Plan

# concept[].definition
Indicates whether the treatment to be delivered is a complete fraction or a continuation of previous incompletely treated fraction

# concept[].display
Patient connected to continuous monitoring

# concept[].definition
Patient connected to continuous monitoring

# concept[].display
Patient disconnected from continuous monitoring

# concept[].definition
Patient disconnected from continuous monitoring

# concept[].display
Hemostasis not achieved - actively bleeding

# concept[].definition
Hemostasis not achieved - actively bleeding

# concept[].definition
Patient discharged from department or laboratory

# concept[].definition
Identified personnel or staff arrived in procedure room

# concept[].definition
Identified personnel or staff departed procedure room

# concept[].definition
Page sent to identified personnel or staff

# concept[].definition
Consultation with identified personnel or staff

# concept[].definition
Office of identified personnel or staff was called

# concept[].definition
Log of events occurring prior to the current procedure

# concept[].definition
Analysis or measurements for current procedure (purpose of reference to evidence document)

# concept[].definition
Identifier of Consumable taken from inventory

# concept[].definition
Identifier of Consumable returned to inventory

# concept[].definition
Identifier of consumable whose remaining content has been disposed

# concept[].definition
Identifier of Consumable determined to be unusable

# concept[].definition
Identifier of Drug whose administration has started

# concept[].definition
Identifier of Drug whose administration has ended

# concept[].definition
Identifier of Drug administered as part of procedure

# concept[].definition
Identifier of Contrast agent whose administration has started

# concept[].definition
Identifier of Contrast agent whose administration has ended

# concept[].definition
Identifier of Contrast agent administered

# concept[].definition
Identifier of Infusate whose administration has started

# concept[].definition
Identifier of Infusate whose administration has ended

# concept[].definition
Action of a device traversing a vascular lesion

# concept[].definition
Action of a clinical professional performed on a patient for therapeutic purpose

# concept[].definition
Volume of Drug, Contrast agent, or Infusate administered

# concept[].definition
Undiluted dose of Drug, Contrast agent, or Infusate administered

# concept[].definition
Concentration of Drug, Contrast agent, or Infusate administered

# concept[].definition
Rate of Drug, Contrast agent, or Infusate administration

# concept[].definition
Duration of Drug, Contrast agent, or Infusate administration

# concept[].definition
Volume of Drug, Contrast agent, or Infusate unadministered or discarded

# concept[].definition
Numeric parameter of Curvature of Catheter

# concept[].definition
Measured change of patient electrocardiographic ST level relative to baseline measurement

# concept[].definition
Anatomic term modifier indicating aneurysm on cited vessel is the subject of the finding

# concept[].display
Graft to cited segment, proximal section

# concept[].definition
Anatomic term modifier indicating proximal section of graft to cited vessel is the subject of the finding

# concept[].definition
Anatomic term modifier indicating mid section of graft to cited vessel is the subject of the finding

# concept[].definition
Anatomic term modifier indicating distal section of graft to cited vessel is the subject of the finding

# concept[].definition
Lesion stenosis measured prior to any interventional procedure

# concept[].definition
Lesion stenosis measured after an interventional procedure

# concept[].definition
Assessment of perfusion across a coronary lesion measured prior to any interventional procedure

# concept[].definition
Assessment of perfusion across a coronary lesion measured after an interventional procedure

# concept[].definition
Indication that device is the primary (first and/or most significant) device used for interventional therapy of a particular pathology; e.g. lesion

# concept[].definition
Atrial pressure measurements, report section

# concept[].definition
Blood velocity measurements, report section

# concept[].definition
Derived Hemodynamic Measurements, report section

# concept[].definition
Location from which the patient was transferred

# concept[].definition
Indication that the procedure includes a percutaneous coronary intervention

# concept[].definition
Finding of probability and/or severity of thrombus

# concept[].definition
Severity of Calcification, property of lesion

# concept[].definition
Lesion Morphology; form and/or structural properties of lesion

# concept[].definition
Vessel Morphology; form and/or structural properties of vessel

# concept[].definition
Technique (device or procedure) of support for patient circulatory system; hemodynamic support

# concept[].definition
Indication that the current exam data has been compared with prior exam data

# concept[].definition
The date and time on which a procedure was performed on a patient

# concept[].definition
Beat Number; ordinal of cardiac cycle within an acquisition

# concept[].definition
Complex coded semantic unit, consisting of several coded components

# concept[].definition
Trend (temporal progression) of a clinical condition, finding, or disease

# concept[].definition
Derived cross-sectional area of a vessel or anatomic feature, other than a cardiac valve

# concept[].definition
Rate of blood flow through Pulmonary artery

# concept[].definition
DateTime of patient discharge from hospital admission

# concept[].display
Coronary Artery Bypass During This Admission

# concept[].definition
Indication that a Coronary Artery Bypass operation was performed during the current hospital admission

# concept[].definition
Indication that the patient died during the current hospital admission

# concept[].definition
Indication that the patient died during the current Catheterization procedure

# concept[].definition
Finding of type of Myocardial Infarction

# concept[].definition
Finding of Coronary lesion with greater than 50% stenosis

# concept[].definition
Finding of Acute Myocardial Infarction Presence as indication for interventional procedure

# concept[].definition
DateTime of first determination of elevated ECG ST segment, as indication of Myocardial Infarction

# concept[].display
Number of lesion interventions attempted

# concept[].definition
Number of lesion interventions attempted during current procedure

# concept[].display
Number of lesion interventions successful

# concept[].definition
Number of lesion interventions successful during current procedure, where the residual post intervention stenosis is less than or equal to 50% of the arterial luminal diameter, TIMI Flow is 3 and the minimal decrease in stenosis was 20%

# concept[].definition
Overall success of interventional procedure

# concept[].definition
Lesion Intervention Information, report section

# concept[].definition
Indication that Myocardial Infarction occurred during current procedure

# concept[].definition
Creatine Kinase-MB value at baseline (start of procedure)

# concept[].definition
Creatine Kinase-MB highest value measured during procedure

# concept[].definition
Time interval between ECG R-wave peaks in subsequent cardiac cycles

# concept[].definition
Elapsed time from injection of an indicator bolus until it is observed at another location

# concept[].definition
Pulse Strength; palpable strength of systolic flow

# concept[].definition
The secondary peak pressure in the atrium during atrial contraction

# concept[].definition
Venous or atrial pressure minimum during ventricular systole, after A-wave

# concept[].definition
Venous or atrial pressure minimum when tricuspid valve opens during diastole, after V-wave

# concept[].definition
Atrial pressure upon closure of tricuspid and mitral valves

# concept[].definition
Environmental characteristics in the procedure room

# concept[].definition
Oxygen concentration in the procedure room

# concept[].definition
Barometric pressure in the procedure room

# concept[].definition
Framingham Study Comparative Average10 Year CHD Risk

# concept[].definition
Framingham Study Comparative Low10 Year CHD Risk

# concept[].definition
Framingham Study LDL Cholesterol Score Sheet for Men

# concept[].definition
Framingham Study LDL Cholesterol Score Sheet for Women

# concept[].definition
Framingham Study Total Cholesterol Score Sheet for Men

# concept[].definition
Framingham Study Total Cholesterol Score Sheet for Women

# concept[].display
Max volume normalized to 50mmHg pulse pressure

# concept[].definition
Max volume normalized to 50mmHg pulse pressure

# concept[].definition
Body Surface Area computed from patient height and weight: BSA = 3.207*WT[g]^(0.7285-0.0188 log (WT[g])) *HT[cm] ^ 0.3 [Boyd E, The growth of the surface area of the human body. Minneapolis: University of Minnesota Press, 1935, eq. (36) ]

# concept[].definition
Body Surface Area computed from patient height and weight: BSA = 0.007184* WT[kg] ^ 0.425*HT[cm] ^ 0.725 [Dubois and Dubois, Arch Int Med 1916 17:863-71]

# concept[].definition
Body Surface Area computed from patient height and weight: BSA = 0.0235* WT[kg] ^0.51456*HT[cm]^ 0.42246 [Gehan EA, George SL, 'Estimation of human body surface area from height and weight', Cancer Chemother Rep 1970 54:225-35]

# concept[].definition
Body Surface Area computed from patient height and weight: BSA = 0.024265 * WT[kg] ^ 0.5378 * HT[cm] ^ 0.3964 [Haycock G.B., Schwartz G.J., Wisotsky D.H. 'Geometric method for measuring body surface area: A height weight formula validated in infants, children and adults.' The Journal of Pediatrics 1978 93:1:62-66]

# concept[].definition
Body Surface Area computed from patient height and weight: BSA = (HT[m] * WT[kg] / 36) ^ 0.5 [Mosteller, R.D. 'Simplified Calculation of Body Surface Area.' N Engl J Med 1987 Oct 22;317(17):1098]

# concept[].definition
Body Surface Area computed from patient weight:BSA = 1321 + 0.3433 * WT[kg] (for pediatrics 3-30 kg) [Current, J.D. 'A Linear Equation For Estimating The Body Surface Area In Infants And Children', The Internet Journal of Anesthesiology. 1998. 2:2]

# concept[].definition
BSA = 0.0004688 * (1000 * WT) ^ (0.8168 - 0.0154 * log(1000 * WT)) Where (WT is weight in kilogram) Units = m2 Boyd, Edith. The Growth of the Surface Area of the Human Body(originally published in 1935 by the University of Minnesota Press), Greenwood Press, Westport, Connecticut, 1975, p. 102.Equation (35)

# concept[].definition
Equation for estimated oxygen consumption: VO2male = BSA (138.1 - 11.49 * loge(age) + 0.378 * HRf)

# concept[].definition
Equation for estimated oxygen consumption: VO2female = BSA (138.1 - 17.04 * loge(age) + 0.378 * HRf)

# concept[].definition
Equation for estimated oxygen consumption: VO2 = VeSTPD * 10 * (FIO2 - FE02)

# concept[].definition
Equation for estimated oxygen consumption: VO2 = 152 * BSA

# concept[].definition
Equation for estimated oxygen consumption: VO2 = 175 * BSA

# concept[].definition
Equation for estimated oxygen consumption: VO2 = 176 * BSA

# concept[].definition
Robertson & Reid Table for estimated oxygen consumption

# concept[].definition
Fleisch table for estimated oxygen consumption

# concept[].definition
Boothby table for estimated oxygen consumption

# concept[].definition
Estimate of Oxygen partial pressure at 50% saturation for premature infants less than 3 days old: P50 = 19.9

# concept[].definition
Estimate of Oxygen partial pressure at 50% saturation for infants less than 1 day old: P50 = 21.6

# concept[].definition
Estimate of Oxygen partial pressure at 50% saturation for infants less than 30 days old: P50 = 24.6

# concept[].definition
Estimate of Oxygen partial pressure at 50% saturation for patients less than 18 years old: P50 = 27.2

# concept[].definition
Estimate of Oxygen partial pressure at 50% saturation for patients less than 40 years old: P50 = 27.4

# concept[].definition
Estimate of Oxygen partial pressure at 50% saturation for patients more than 60 years old: P50 = 29.3

# concept[].display
Area = Flow / 44.5 * sqrt(Gradient[mmHg])

# concept[].definition
Cardiac valve area computed from flow and pressure gradient: Area = Flow / 44.5 * sqrt(Gradient[mmHg]) [Gorlin and Gorlin, Am Heart J, 1951]

# concept[].display
MVA = Flow / 38.0 * sqrt(Gradient[mmHg])

# concept[].definition
Mitral valve area computed from flow and pressure gradient: Mitral valve Area = Flow / 38.0 * sqrt(Gradient[mmHg]) [Gorlin and Gorlin, Am Heart J, 1951]

# concept[].definition
Body Mass Index computed from weight and height: BMI = Wt/Ht^2

# concept[].definition
Body Surface Area computed from patient height and weight: BSA = 0.007358 * WT[kg] ^ 0.425 * HT[cm] ^ 0.725 (for East Asian adult, aged 15+ years) [Kanai Izumi, Masamitsu Kanai, 'Clinical examination method summary']

# concept[].definition
Body Surface Area computed from patient height and weight: BSA = 0.010265 * WT[kg] ^ 0.423 * HT[cm] ^ 0.651 (For East Asian child aged 12-14 years)

# concept[].definition
Body Surface Area computed from patient height and weight: BSA = 0.008883* WT[kg] ^ 0.444 * HT[cm] ^ 0.663 (For East Asian child aged 6-11 years)

# concept[].definition
Body Surface Area computed from patient height and weight: BSA = 0.038189 * WT[kg] ^ 0.423 * HT[cm] ^ 0.362 (For East Asian child aged 1-5 years)

# concept[].definition
Body Surface Area computed from patient height and weight: BSA = 0.009568* WT[kg] ^ 0.473 * HT[cm] ^ 0.655 (For East Asian child aged 0-12 months)

# concept[].definition
Anatomy could not be visualized for the purpose of evaluation

# concept[].definition
Factor by which a measured or calculated value is multiplied to obtain the estimated real-world value

# concept[].definition
External Elastic Membrane (EEM) diameter measured through the center point of the vessel. Center point of the vessel is defined as the center of gravity of the EEM area. The EEM is a discrete interface at the border between the media and the adventitia

# concept[].definition
The distance from intimal leading edge to the external elastic membrane along any line passing through the luminal center, which is defined as the center of gravity of the lumen area

# concept[].definition
Vessel area measured at the External Elastic Membrane (EEM), a discrete interface at the border between the media and the adventitia

# concept[].definition
Area within the EEM occupied by atheroma, regardless of lumen compromise. Plaque plus Media Area = EEM cross-sectional area - vessel lumen cross-sectional area

# concept[].definition
Measurement of in-stent restenosis. In-Stent Intimal Area = Stent cross-sectional area - vessel lumen cross-sectional area

# concept[].definition
Longitudinal extent of the Vascular Volume Measurement. This is the distance from the distal edge to the proximal edge of the Volume measurement

# concept[].definition
Longitudinal distance from the closest edge of a fiducial feature or reference location to the start of the vascular measurement. This value will be a positive if the measurement is distal to the fiducial feature or reference location, or negative if the measurement is proximal to the fiducial feature or reference location

# concept[].definition
In-Stent Neointimal Volume / Stent Volume

# concept[].definition
Reference, normally anatomical, which is used for locating the position of a measurement

# concept[].definition
Measurement of vessel lumen eccentricity. Lumen Eccentricity Index = (maximum vessel lumen diameter - minimum vessel lumen diameter) / maximum vessel lumen diameter. Lumen diameters are measured through the center point of the lumen, which is defined as the center of gravity of the lumen area

# concept[].definition
Plaque plus Media Eccentricity Index = (maximum Plaque plus media thickness - minimum Plaque plus media thickness) / maximum Plaque plus media thickness

# concept[].definition
Measurement of increase or decrease in EEM area that occurs during the development of atherosclerosis. Remodeling Index = Lesion EEM area / reference EEM area

# concept[].definition
Measurement of stent circularity. Stent Symmetry Index = (maximum stent diameter - minimum stent diameter) / maximum stent diameter

# concept[].definition
Measurement of stent area relative to the reference lumen area. Stent Expansion Index = Minimum stent area / reference vessel lumen cross-sectional area

# concept[].definition
Measurement of vessel lumen eccentricity. Lumen Shape Index = (2p * sqrt(Vessel lumen cross-sectional area / p) / Lumen Perimeter) 2 Reference: Tobis & Yock, "Intravascular Ultrasound Imaging", Chapter 7

# concept[].definition
Lumen diameter ratio = minimum vessel lumen diameter / maximum vessel lumen diameter, measured at the same cross section in the vessel. Lumen diameters are measured through the center point of the lumen, which is defined as the center of gravity of the lumen area

# concept[].definition
Stent diameter ratio = Minimum stent diameter / Maximum stent diameter, measured at the same cross section in the vessel. Stent diameters are measured through the center point of the stent, which is defined as the center of gravity of the stent area

# concept[].definition
EEM diameter ratio = minimum EEM diameter / maximum EEM diameter. Measured at the same cross section in the vessel

# concept[].definition
Fractional area within the External Elastic Membrane (EEM) occupied by atheroma. Plaque Burden = (EEM area - vessel lumen cross-sectional area) / EEM area

# concept[].definition
Angular measurement of a Calcium deposit with the apex located at the center of the lumen, which is defined as the center of gravity of the lumen area

# concept[].definition
Plaque characterized by low density or echogenicity

# concept[].definition
Abnormal thickening of the intima within the stented segment

# concept[].definition
Lumen surrounded by all three layers of the vessel-intima, media, and adventitia

# concept[].definition
A channel, usually parallel to the true lumen, which does not communicate with the true lumen over a portion of its length

# concept[].definition
Plaque ulceration with a tear detected in a fibrous cap

# concept[].definition
Length of gap between two consecutive stents

# concept[].definition
Worst stenosis - the stenosis with the smallest lumen size within a vessel segment

# concept[].definition
2nd most severe stenosis within a vessel segment

# concept[].definition
3rd most severe stenosis within a vessel segment

# concept[].definition
4th most severe stenosis within a vessel segment

# concept[].definition
External Elastic Membrane (EEM) volume measured within a specified region. The EEM is a discrete interface at the border between the media and the Adventitia

# concept[].definition
Lumen volume measured within a specified region

# concept[].definition
The amount of plaque between the lumen and stent, within the stent region; In-stent restenosis. In-Stent Neointimal Volume = Stent Volume - Lumen Volume

# concept[].definition
The amount of plaque between the stent and the EEM, within the stent region. Native Plaque Volume = EEM Volume - Stent Volume

# concept[].definition
Total amount of plaque between the EEM and the Lumen, over the entire region that is measured. Total Plaque Volume = EEM Volume - Lumen Volume

# concept[].definition
Proximal reference segment measurement site. Typically the site with the largest lumen proximal to a stenosis but within the same segment (usually within 10 mm of the stenosis with no major intervening branches)

# concept[].definition
Distal reference segment measurement site. Typically the site with the largest lumen distal to a stenosis but within the same segment (usually within 10 mm of the stenosis with no major intervening branches)

# concept[].definition
Site of the smallest lumen in a vessel; e.g. due to a stenotic lesion

# concept[].definition
Measurement region that encompasses the entire vessel imaged in a single pullback acquisition

# concept[].definition
Measurement region occupied by the stent

# concept[].definition
Region starting at the proximal edge of the Stent and extending several millimeters (usually 5 mm) proximal to the Stent edge

# concept[].definition
Region starting at the distal edge of the Stent and extending several millimeters (usually 5 mm) distal to the Stent edge

# concept[].definition
Classification of dissections in a vessel

# concept[].definition
Separation of neointimal hyperplasia from stent struts, usually seen only after treatment of in-stent restenosis

# concept[].definition
Plaque with a thin cap fibrous atheroma that is at increased risk of rupture and thrombosis (or re-thrombosis) and rapid stenosis progression

# concept[].definition
Plaque erosions with no structural defect (beyond endothelial injury) or gap in the plaque

# concept[].definition
Stenosis severity classifications of multiple lesions in a vessel

# concept[].definition
A finding of a previously treated lesion in which stenosis has reoccurred

# concept[].definition
Loosely packed bundles of collagen fibers with regions of lipid deposition present. Region is cellular and no cholesterol clefts or necrosis are present. Some macrophage infiltration. Increase in extra cellular matrix

# concept[].definition
Area within the plaque with very low echogenicity separated from the lumen and surrounded by more echogenic structures (fibrous cap). Highly lipidic necrotic region with remnants of foam cells and dead lymphocytes present. No collagen fibers are visible and mechanical integrity is poor. Cholesterol clefts and micro calcifications are visible

# concept[].definition
Dissection limited to the intima or atheroma, and not extending to the media

# concept[].definition
Dissection in the arterial Media, extending into the media

# concept[].definition
The referenced information was acquired simultaneously with the information in the object in which the reference occurs

# concept[].definition
Information acquired for the same anatomic region

# concept[].definition
Information acquired for the same indication; e.g. to elucidate the same diagnostic question

# concept[].definition
The referenced information was used to correct the data for differential attenuation through different anatomic tissue

# concept[].definition
Value estimated for a vessel in the absence of a stenosis

# concept[].display
Left Atrial Ejection Fraction by Angiography

# concept[].definition
Left Atrial Ejection Fraction by Angiography

# concept[].definition
Contour repositioning of End Diastolic relative to End Systolic contour

# concept[].definition
The minimum standard deviation to define the hypokinesis and hyperkinesis

# concept[].definition
Report of differentiation of wall motion compared to normal

# concept[].definition
Model for cardiac chamber volume calculation

# concept[].definition
Method to define original diameter of the artery

# concept[].definition
Relation between calculated End Diastolic volume and ventricular End Diastolic volume. The specific meaning is dependent on volume method used

# concept[].definition
Correction factor for the calculated End Diastolic volume and ventricular End Diastolic volume. The specific meaning is dependent on volume method used

# concept[].definition
Relation between calculated End Systolic volume and ventricular End Systolic volume. The specific meaning is dependent on volume method used

# concept[].definition
Correction factor for the calculated End Systolic volume and ventricular End Systolic volume. The specific meaning is dependent on volume method used

# concept[].definition
Exponent of volume in regression formula

# concept[].definition
Container for spatial locations or coordinates used for calculation

# concept[].definition
Average thickness of the chamber wall in the current view

# concept[].definition
Volume of the chamber wall estimated from the current view

# concept[].definition
Method to calculate wall motion [example: Sheehan, 1986]

# concept[].definition
The length between End Diastolic and End Systolic contour perpendicular on the centerline normalized by a method dependent ventricular perimeter length. The centerline is the line equidistant between the End Diastolic and End Systolic contour [example: Sheehan, 1986]

# concept[].definition
The report of the boundaries of the abnormal (hyperkinetic, hypokinetic, a-kinetic) regions associated with the territory of the artery [example: Sheehan, 1986]

# concept[].definition
The chord number specifying the begin of abnormal region [example: Sheehan, 1986]

# concept[].definition
The chord number specifying the end of abnormal region [example: Sheehan, 1986]

# concept[].definition
Severity at the regional abnormality extent [example: Sheehan, 1986]

# concept[].definition
Severity at the opposite regional abnormality extent [example: Sheehan, 1986]

# concept[].definition
Based on a total number of chords of 100 and RAO project the range of chords belonging to this circumferential extent lies between 5 - 85. [Sheehan, 1986]

# concept[].definition
Based on a total number of chords of 100 and RAO project the range of chords belonging to this circumferential extent lies between 25 - 85. [Sheehan, 1986]

# concept[].definition
Based on a total number of chords of 100 and RAO projection the range of chords belonging to this regional extent lies between 10 - 66 (hypokinetic) and 67 - 80 (hyperkinetic). [Sheehan, 1986]

# concept[].definition
Based on a total number of chords of 100 and RAO projection the range of chords belonging to this regional extent lies between 51 - 80 (hypokinetic) and 10 - 50 (hyperkinetic). [Sheehan, 1986]

# concept[].definition
Based on a total number of chords of 100 and RAO projection the range of chords belonging to this regional extent lies between 10 - 58 (hypokinetic) and 59 -80 (hyperkinetic). [Sheehan, 1986]

# concept[].definition
Based on a total number of chords of 100 and RAO projection the range of chords belonging to this regional extent lies between 59 - 80 (hypokinetic) and 10 - 58 (hyperkinetic). [Sheehan, 1986]

# concept[].definition
Based on a total number of chords of 100 and LAO projection the range of chords belonging to this regional extent lies between 50 -100 (hypokinetic) and 20 - 49 (hyperkinetic). [Sheehan, 1986]

# concept[].definition
Based on a total number of chords of 100 and LAO projection the range of chords belonging to this regional extent lies between 19 - 67 (hypokinetic) and 68 - 100 (hyperkinetic). [Sheehan, 1986]

# concept[].definition
Based on a total number of chords of 100 and LAO projection the range of chords belonging to this regional extent lies between 38 -74 (hypokinetic) and 75 - 100 (hyperkinetic). [Sheehan, 1986]

# concept[].definition
Method based on assumption that the image object is circular

# concept[].definition
Method based on the gray value distribution of the image

# concept[].definition
End Systolic contour realigned to End Diastolic contour based on the center of gravity

# concept[].definition
End Systolic contour realigned to End Diastolic contour based on the mid point of the long axis. The long axis end-points are defined as the posterior and apex

# concept[].definition
Calculated Vessel Lumen Cross-Sectional Area based on the referenced method

# concept[].definition
Object of interest in isocenter of image and pixel separation is calculated from geometric data

# concept[].definition
Object of interest not in isocenter of image and pixel separation is calculated from geometric data and out of isocenter distances

# concept[].definition
Object used for calibration; e.g. sphere

# concept[].definition
Application dependent method to calculate the reference diameter based on the multiple diameter values

# concept[].definition
Application dependent method to calculate reference by interpolation, based on the diameter of two or more user defined reference positions

# concept[].definition
Application dependent method to calculate by averaging the reference, based on the diameter of one or more user defined reference positions

# concept[].definition
Method to calculate wall motion based on the lengths of the radials in the predefined regions [Ingels]

# concept[].display
Regional Contribution to Ejection Fraction

# concept[].definition
Contribution of Region to global Ejection factor based on radial or landmark based wall motion method

# concept[].definition
The reduction of area between End Systolic and End Diastolic based on radial wall motion analysis

# concept[].definition
Method to calculate wall motion based on the move of landmarks on the wall [Slager]

# concept[].definition
Contribution to the ejection fraction of a specific slice region [Slager]

# concept[].definition
Method to calculate volumes of heart chambers for every image in a range

# concept[].definition
The area is derived by considering a set of coordinates as a closed irregular polygon, accounting for inner angles. The exact method, such as by decomposition into triangles or quadrilaterals, is not specified, since it does not affect the numeric result, apart from the effect of numeric precision during computation of intermediate results

# concept[].definition
The area is derived by using a set of coordinates as control points for a Non Uniform Rational B-Spline (NURBS)

# concept[].display
Integration of sum of closed areas on contiguous slices

# concept[].definition
The volume derived by integrating the sum of the areas on adjacent slices across the slice interval; each area is defined by a regular planar shape or by considering a set of coordinates as a closed irregular polygon, accounting for inner angles

# concept[].definition
Procedure used to calibrate measurements or measurement devices

# concept[].definition
Left contour of lumen (direction proximal to distal)

# concept[].definition
Right contour of lumen (direction proximal to distal)

# concept[].definition
Ordered set of diameters values derived from contours (direction proximal to distal)

# concept[].definition
Increment value along X-axis in Diameter Graph

# concept[].definition
Location of the maximum lumen area in a lesion or vessel

# concept[].display
Densitometric Luminal Cross-sectional Area Graph

# concept[].definition
Ordered set of cross-sectional Vessel Lumen Cross-Sectional Area values derived from contours (direction proximal to distal) based on densitometric method

# concept[].definition
Position of proximal border of segment relative to the contour start (proximal end of analysis area)

# concept[].definition
Position of distal border of segment relative to the contour start (proximal end of analysis area)

# concept[].definition
Longitudinal cross sectional area of plaque

# concept[].definition
Symmetry of stenosis (0 = complete asymmetry, 1 = complete symmetry); see Section T.2 "Definition of Diameter Symmetry with Arterial Plaques" in PS3.17

# concept[].definition
Symmetry of plaque (0 = complete asymmetry, 1 = complete symmetry); see Section T.2 "Definition of Diameter Symmetry with Arterial Plaques" in PS3.17

# concept[].definition
The average slope of the diameter function between the position of the minimum luminal diameter and the position of the proximal border of the segment

# concept[].definition
The average slope of the diameter function between the position of the minimum luminal diameter and the position of the distal border of the segment

# concept[].definition
The relation between coronary pressure and coronary flow

# concept[].definition
Poiseuille Resistance at the location of the stenosis

# concept[].definition
Turbulence Resistance at the location of the stenosis

# concept[].definition
Pressure drop over the stenosis at maximum heart output

# concept[].definition
Method for selection of vessel sub-segments

# concept[].definition
Estimate of the volume of blood flow in the absence of stenosis

# concept[].definition
Area Length method defined by Kennedy [Kennedy, 1970]

# concept[].definition
Area Length method defined by Dodge [Dodge, 1960]

# concept[].definition
Area Length method defined by Wynne [Wynne]

# concept[].definition
Volume method defined by Ferlinz [Ferlinz]

# concept[].definition
Volume method defined by Graham [Graham]

# concept[].definition
Volume method defined by Arcilla [Arcilla]

# concept[].definition
Corrected Body Surface area for indexing the hemodynamic measurements for a pediatric patient

# concept[].definition
Method for selecting sub-segments that are all of the same length

# concept[].definition
Manually selected start and end of sub-segment

# concept[].definition
Report of a Cardiovascular Analysis, typically from a CT or MR study

# concept[].display
Absolute Values Of Ventricular Measurements

# concept[].definition
Section Heading for absolute values of ventricular measurements

# concept[].display
Normalized Values Of Ventricular Measurements

# concept[].definition
Results of normalizing ventricular measurements

# concept[].definition
Central breathing position between inspiration and expiration

# concept[].definition
Time of the peak of ventricular ejection

# concept[].definition
Time interval until time of peak filling from a given reference point; e.g. end systole

# concept[].definition
Papillary muscle was excluded from the measurement

# concept[].definition
Papillary muscle was included in the measurement

# concept[].display
Wall Thickness Ratio end-systolic to end-diastolic

# concept[].definition
The ratio of the end-systolic wall thickness compared to the end-diastolic wall thickness

# concept[].definition
The method to smooth a ventricular volume as a function of time

# concept[].definition
Baseline correction used in the calculation of the results

# concept[].definition
The time in a dynamic set of images at which the first peak of the signal is observed for the analyzed myocardial wall segments

# concept[].definition
This is the time at which the signal begins to increase

# concept[].definition
Time interval between the beginning of the signal increase to the time at which the signal intensity reaches its first maximum in a dynamic set of images

# concept[].definition
Signal intensity as a function of time. It is the change in the signal intensity divided by the change in the time

# concept[].definition
MR perfusion time integral from baseline (foot time) to earliest peak

# concept[].definition
First time point in a dynamic set of images used in the calculation of the baseline signal intensity for each myocardial wall segment

# concept[].definition
Last time point in a dynamic set of images used in the calculation of the baseline signal intensity for each myocardial wall segment

# concept[].definition
The time delta between images in a dynamic set of images

# concept[].definition
The minimum velocity encoded by the phase encoding gradient

# concept[].definition
The maximum velocity encoded by the phase encoding gradient

# concept[].definition
Area Based Method for estimating volume or area

# concept[].definition
Diameter Based Method for estimating volume, area or diameter

# concept[].definition
Volume Based Method for estimating volume

# concept[].definition
A method of diameter measurements according to NASCET (North American Symptomatic Carotid Endarterectomy Trial)

# concept[].definition
A method of diameter measurements according to ECST (European Carotid Surgery Trial)

# concept[].definition
Delayed hyperenhancement of a tissue observed in an image acquired after injection of contrast media

# concept[].display
Time interval since injection of contrast media

# concept[].definition
Time interval since injection of contrast media

# concept[].display
Blood velocity vs. time of cardiac cycle

# concept[].definition
Relationship between blood velocity and time relative to R-wave peak

# concept[].display
Time interval since detection of contrast bolus

# concept[].definition
Time interval since detection of contrast bolus

# concept[].definition
Indicates if the papillary muscle was included or excluded in the measurement

# concept[].definition
Persistent flow of blood into the stent-grafting

# concept[].definition
Finding about the characteristics of the parent vessel of a vessel

# concept[].definition
Site of Maximal lumen diameter of a vessel

# concept[].definition
The physical domain (time, space, etc.) to the horizontal axis of the graphical presentation

# concept[].definition
The physical domain (time, space, etc.) to the vertical axis of the graphical presentation

# concept[].definition
Reference time for measurement of elapsed time in a procedure

# concept[].definition
Number of ectopic beats during a period of collection

# concept[].definition
Heart rate times systolic blood pressure

# concept[].display
Exercise duration after stress agent injection

# concept[].definition
Exercise duration after stress agent injection

# concept[].definition
Maximum power output achieved during course of procedure

# concept[].definition
Peak physical activity intensity measurement during course of procedure

# concept[].definition
Peak Double Product measurement during course of procedure

# concept[].definition
Attenuation correction not based on image-based attenuation maps

# concept[].definition
Bazett QT Correction Algorithm; QT/(RR ^ 0.5); Bazett HC. "An analysis of the time-relations of electrocardiograms" Heart7:353-370 (1920)

# concept[].definition
Hodges QT Correction Algorithm; QT + 1.75 (heart rate-60); Hodges M, Salerno Q, Erlien D. "Bazett's QT correction reviewed. Evidence that a linear QT correction for heart rate is better." J Am Coll Cardiol1:694 (1983)

# concept[].definition
Fridericia QT Correction Algorithm; QT/(RR ^ 0.333); Fridericia LS. "The duration of systole in the electrocardiogram of normal subjects and of patients with heart disease" Acta Med Scand53:469-486 (1920)

# concept[].definition
Framingham QT Correction Algorithm; QT + 0.154 (1- RR); Sagie A, Larson MG, Goldberg RJ, et al. "An improved method for adjusting the QT interval for heart rate (the Framingham Heart Study)." Am J Cardiol70:797-801(1992)

# concept[].definition
Borg Rating of Perceived Exertion Scale, range 6:20

# concept[].definition
Borg category ratio scale, open ended range with nominal range 0:10

# concept[].definition
Image attenuation due to body physique (overweight)

# concept[].definition
Finding of a defect is incorrect; e.g. from automated analysis

# concept[].definition
ECG is non-diagnostic due to low heart rate

# concept[].display
Non-diagnostic - resting ST abnormalities

# concept[].definition
ECG is non-diagnostic due to resting ST abnormalities

# concept[].display
Non-diagnostic - ventricular pacing or LBBB

# concept[].definition
ECG is non-diagnostic due to ventricular pacing or Left Bundle Branch Block

# concept[].definition
ECG is non-diagnostic for presence of acute coronary syndrome

# concept[].definition
Strongly positive finding - ST elevation

# concept[].definition
Finding of ST segment depression with no slope

# concept[].definition
Finding of ST segment depression with upslope

# concept[].definition
Finding of ST segment depression with downslope

# concept[].definition
Difference in End Diastolic Left Ventricular Volume

# concept[].display
Ratio of achieved to predicted maximal oxygen consumption

# concept[].definition
Ratio of achieved to predicted maximal oxygen consumption

# concept[].display
Ratio of achieved to predicted functional capacity

# concept[].definition
Ratio of achieved to predicted functional capacity

# concept[].definition
Workload (Watts) at target heart rate divided by body weight

# concept[].definition
ST depression at peak exercise divided by the exercise-induced increase in heart rate [Kligfield P, Ameisen O, Okin PM. "Heart rate adjustment of ST segment depression for improved detection of coronary artery disease." Circulation 1989;79:245-55.]

# concept[].definition
Nuclear Medicine Rest thallium/stress technetium procedure

# concept[].display
Rest technetium/stress technetium 1 day procedure

# concept[].definition
Nuclear Medicine Rest technetium/stress technetium 1 day procedure

# concept[].display
Rest technetium/stress technetium 2 day procedure

# concept[].definition
Nuclear Medicine Rest technetium/stress technetium 2 day procedure

# concept[].display
Stress technetium/rest technetium 1 day procedure

# concept[].definition
Nuclear Medicine Stress technetium/rest technetium 1 day procedure

# concept[].definition
Nuclear Medicine Myocardial Viability procedure

# concept[].definition
Positron Emission Tomography Perfusion Imaging procedure, rest only

# concept[].definition
Positron Emission Tomography Perfusion Imaging procedure, stress only

# concept[].display
PET Myocardial Perfusion, Rest and Stress

# concept[].definition
Positron Emission Tomography Perfusion Imaging procedure, rest and stress

# concept[].definition
Positron Emission Tomography Myocardial Viability procedure, rest only

# concept[].definition
Positron Emission Tomography Myocardial Viability procedure, stress only

# concept[].display
PET Myocardial Viability, Rest and Stress

# concept[].definition
Positron Emission Tomography Myocardial Viability procedure, rest and stress

# concept[].definition
Group of symptoms heralding angina pectoris that does not include chest pain (dyspnea, diaphoresis, profuse vomiting in a diabetic patient, or arm or jaw pain)

# concept[].definition
Active ingredient (molecular) used for radioactive tracing

# concept[].definition
Time of radiopharmaceutical administration to the patient for imaging purposes

# concept[].definition
Ending time of radiopharmaceutical administration to the patient for imaging purposes

# concept[].definition
Volume of radiopharmaceutical administered to the patient

# concept[].definition
Total amount of radionuclide administered to the patient at Radiopharmaceutical Start Time

# concept[].definition
Activity per unit mass of the radiopharmaceutical at Radiopharmaceutical Start Time

# concept[].definition
Pre-injection syringe acquisition count rate

# concept[].definition
Syringe acquisition count rate following patient injection

# concept[].definition
Medication to be administered at the beginning of the Scheduled Procedure Step

# concept[].definition
Direction of imaging (includes view, transducer orientation, patient orientation, and/or projection)

# concept[].definition
Imaging condition for refinement of protocol (includes secondary posture, instruction, X-Ray / electron beam energy or nuclide, and ultrasound modes), as used in JJ1017 v3.0

# concept[].display
Caudal 10 degree distal-cranioproximal oblique

# concept[].definition
Caudal 10 degree distal-cranioproximal oblique radiographic projection, defined per Smallwood et al

# concept[].definition
Surface processing utilizing predefined weighting factors (i.e., kernels) applied to different data values depending on their location relative to other data values within the data domain. Includes Low Pass, High Pass, Gaussian, Laplacian, etc.

# concept[].definition
Surface processing applied non-uniformly utilizing a priori knowledge of the system and/or relative locations of the data values within the data domain. Example: Neighborhood analysis where weighting factors are modified continuously based on predefined criteria

# concept[].definition
Surface processing through the exploitation of discontinuities in the data values within their domain. Includes Gradient filters

# concept[].definition
Surface processing based on the connectivity of values based on the shape or structure of the data values within their domain. Includes erode, dilate, etc.

# concept[].definition
Surface processing applied to the distribution of the data values. Includes thresholding, Bayesian Classification, etc.

# concept[].definition
Surface processing accomplished through varying the data domain size. Include deformable models

# concept[].definition
Surface processing accomplished by combining data values based on their relative location within their domain or value distribution. Includes K- and C-means, Fuzzy Analysis, Watershed, Seed Growing, etc.

# concept[].definition
Surface processing accomplished through the weighted combination of multiple data sets. Includes Principle Component Analysis, linear and non-linear weighed combinations, etc.

# concept[].definition
Surface processing accomplished through human interaction. Region drawing

# concept[].definition
Surface processing using Artificial Intelligence techniques, such as Machine Learning, Neural Networks, etc.

# concept[].definition
Surface processing using Deformable Model techniques, such as Point Distribution Models, Level Sets, Simplex Meshes, etc.

# concept[].definition
Document Title of OB-GYN procedure report

# concept[].definition
Report section for assessment of fetal growth using ratios and indexes

# concept[].definition
Report section for assessment of fetal growth

# concept[].definition
Report section for assessment of fetal growth by long bone measurements

# concept[].definition
Report section for assessment of fetal cranium growth

# concept[].definition
Report section for assessment of biophysical observations that evaluate fetal well-being according to Manning, Antepartum Fetal Evaluation: Development of a Fetal Biophysical Profile Score, Am. J Obstet Gynecol, 1980;136:787

# concept[].definition
A grouping of related measurements and calculations that share a common context

# concept[].definition
Report section for fetus specific procedure summary observations

# concept[].definition
Report section for assessment of early gestation fetus

# concept[].definition
A name to differentiate between multiple instances of some item

# concept[].definition
Report section for assessment of pelvis and uterus

# concept[].definition
The rank of a measured growth indicator relative to a normal distribution expressed as a percentage

# concept[].definition
The rank of a measured growth indicator relative to a normal distribution expressed as the dimensionless quantity z = (x-m) /s where (x-m) is the deviation of the value x, from the distribution mean, m, and s is the standard deviation of the distribution

# concept[].definition
Fetus characteristics (findings section title)

# concept[].definition
Fetal Measurements (findings section title)

# concept[].definition
There is a defined equivalence between the Frame of Reference of the Registration SOP instance and the Frame of Reference of the referenced images

# concept[].definition
The registration is based on fiducials that represent patient or specimen features identified in each data set

# concept[].definition
Registration based on a-priori knowledge of the acquisition geometry. This is not an object registration as in fiducial registration. Rather, it specifies a known spatial relationship

# concept[].definition
Computed registration based on global image information

# concept[].definition
Registration by visually guided manipulation

# concept[].definition
A plane fiducial that specifies the location of the plane separating the two hemispheres of the brain

# concept[].definition
A point fiducial that specifies the location in the plane perpendicular to the Anterior- Posterior-Commissure axis and tangential to the anterior limit of the right brain hemisphere

# concept[].definition
A point fiducial that specifies the location in the plane perpendicular to the Anterior- Posterior-Commissure axis and tangential to the posterior limit of the right brain hemisphere

# concept[].definition
A point fiducial that specifies the location in the plane perpendicular to the Anterior- Posterior-Commissure axis and tangential to the superior limit of the right brain hemisphere

# concept[].definition
A point fiducial that specifies the location in the plane perpendicular to the Anterior- Posterior-Commissure axis and tangential to the inferior limit of the Right brain hemisphere

# concept[].definition
A point fiducial that specifies the location in the plane perpendicular to the Anterior- Posterior-Commissure axis and tangential to the anterior limit of the left brain hemisphere

# concept[].definition
A point fiducial that specifies the location in the plane perpendicular to the Anterior- Posterior-Commissure axis and tangential to the posterior limit of the left brain hemisphere

# concept[].definition
A point fiducial that specifies the location in the plane perpendicular to the Anterior- Posterior-Commissure axis and tangential to the superior limit of the left brain hemisphere

# concept[].definition
A point fiducial that specifies the location in the plane perpendicular to the Anterior- Posterior-Commissure axis and tangential to the inferior limit of the left brain hemisphere

# concept[].extension[].valueString
E.g. background of an image (that which might be encoded with Pixel Padding Value, or a Segmentation Property Type.

# concept[].definition
A segment for use as an input to an image registration process; e.g. to specify the bounding region for determining a Frame of Reference Transformation Matrix

# concept[].definition
Root Document Title for ultrasound vascular evidence reports (worksheets)

# concept[].definition
The particular vessel branch, such as the inferior, medial or lateral

# concept[].definition
A descriptor or elaboration of the type of graft

# concept[].definition
A modifier to a 2D distance measurement to describe its orientation; e.g. a vascular distance measurement for a vessel plague could have a modifier Transverse or Longitudinal

# concept[].definition
The angle formed between the Doppler beam line and the direction of blood flow within a region of interest in the body defined by the sample volume

# concept[].definition
The depth of the center of the Doppler sample volume measured from skin line along the Doppler line

# concept[].definition
Pediatric Cardiac Ultrasound Report (document title)

# concept[].definition
Fetal Cardiac Ultrasound Report (document title)

# concept[].display
Adult Congenital Cardiac Ultrasound Report

# concept[].definition
Adult Congenital Cardiac Ultrasound Report (document title)

# concept[].definition
Document title of adult echocardiography procedure (evidence) report

# concept[].definition
An image that is a pictorial representation of findings. The concept is typically used as a purpose of reference to an image, such as a depiction of myocardium segments depicting wall motion function

# concept[].definition
The average of all scored (non-zero) Left Ventricle segment wall motion scores

# concept[].definition
A type of clinical acquisition protocol for creating images or image-derived measurements. Acquisition protocols may be specific to a manufacturer's product

# concept[].definition
Method for calculating left ventricular volume from two orthogonal views containing the true long axis (usually the apical 4 and 2 chamber views). Volume = [pL1 / 6] * [(4A1) ÷ (pL1) ] * [(4A2) ÷ (pL2) ]

# concept[].definition
Method for calculating left ventricular volume from a view containing the true long axis (usually the apical 4-chamber view). Volume = [8(A)2]÷[3pL]

# concept[].definition
Method (formula) for calculating left ventricle volumes and function derivatives (EF, SV, SI, etc.) that estimates the volume as the cube of diameter

# concept[].definition
Method of calculating volume based on the summation of disk volumes. The disk axis is parallel to the left ventricular long axis and using a disk diameter averaged from the two chamber and four chamber views

# concept[].definition
Method of calculating volume based on the summation of disk volumes. The disk axis is parallel to the left ventricular long axis with disk diameter taken from the four-chamber view

# concept[].definition
Method (formula) for calculating left ventricle volumes and function derivatives (EF, SV, SI, etc.) Volume = [7.0/(2.4+D) ]*D3

# concept[].definition
Mitral valve area (cm2) by Pressure Half-time = 220 (cm2.ms) / PHT (ms)

# concept[].definition
Area = P/4 X d1 X d2 d1 = anterior/posterior axis d2 = medial/lateral axis Hagen-Ansert, Sandra L., Textbook of Diagnostic Ultrasound, ed. 3, The C.V.Mosby Co., 1989, p. 73. 

# concept[].definition
For conduits in series ("in continuity"), volume flow is equal: A1*V1 = A2*V2. where V is the velocity

# concept[].definition
For conduits in series ("in continuity"), volume flow is equal: A1*V1 = A2*V2. where V is the mean velocity

# concept[].definition
For conduits in series ("in continuity"), volume flow is equal: A1*V1 = A2*V2. where V is the peak velocity

# concept[].display
Continuity Equation by Velocity Time Integral

# concept[].definition
For conduits in series ("in continuity"), volume flow is equal: A1*V1 = A2*V2. where V is the velocity time integral

# concept[].definition
Utilizes aliasing velocity (by color Doppler) of flow into an orifice (often regurgitant or stenotic) to measure instantaneous flow rate, orifice area, and flow volume. The instantaneous flow rate = (2πr2vav ) * (α / π) where vav is the constant velocity known as aliasing velocity at radius r, vp is the peak velocity at the orifice, and α is the angle in radians of the constant velocity surface. Estimated Orifice area = Flow rate / vp , where vp is the peak velocity at the orifice and the flow rate is the PISA peak flow rate. The volume flow is then the product of the orifice area and Velocity Time Integral

# concept[].definition
Volume flow = Conduit CSA * (Velocity Time Integral)

# concept[].definition
Direct measurement of an area by tracing an irregular perimeter

# concept[].definition
Mass = 1.04 * [(ST+LVID+PWT)3 - LVID3] * 0.8+ 0.6. Mass unit is grams and length in cm

# concept[].display
Left Ventricle Mass by Truncated Ellipse

# concept[].definition
Mass = 1.05P ((b + t)2 X (2/3 (a + t) + d - d3 /3(a + t)2) - b2 (2/3a + d - d3 /3a2)) a = Semi-major axis from widest minor axis radius to apex. b = Short axis radius calculated from short axis cavity area t = Myocardial thickness calculated from short axis epicardial and cavity areas d = Truncated semi-major axis from widest short axis diameter to plane of mitral annulus. Mass unit is grams and length in cm. Schiller NB et al: Recommendations for quantification of the left ventricle by two-dimensional echocardiography, American Society of Echocardiography 2:364, 1989. 

# concept[].definition
A four point, echocardiographic numeric scoring scheme of myocardium segments based on evaluation of wall motion and ventricle morphology. Recommendations for Quantitation of the Left Ventricle by Two-Dimensional Echocardiography, Journal of the American Society of Echocardiography, 2:358-367, 1989

# concept[].definition
A five point, echocardiographic numeric scoring scheme of myocardium segments based on evaluation of wall motion and ventricle morphology. Recommendations for Quantitation of the Left Ventricle by Two-Dimensional Echocardiography, Journal of the American Society of Echocardiography, 2:358-367, 1989

# concept[].display
5 Point Segment Finding Scale With Graded Hypokinesis

# concept[].definition
A five point, echocardiographic numeric scoring scheme of myocardium segments based on evaluation of wall motion and ventricle morphology, with severity of hypokinesis graded. Recommendations for Quantitation of the Left Ventricle by Two-Dimensional Echocardiography, Journal of the American Society of Echocardiography, 2:358-367, 1989

# concept[].definition
Method of estimating volume from a planar ellipse. Equivalent to Biplane Ellipse with an assumption that the ellipse in the orthogonal plane has identical major and minor diameters

# concept[].definition
Modified Simpson's Method of estimating ventricular volume, based on the method of disks with paired apical views. Schiller NB, et al. "Recommendations for quantitation of the left ventricle by two-dimensional echocardiography. American Society of Echocardiography Committee on Standards, Subcommittee on Quantitation of Two-Dimensional Echocardiograms". J Am Soc Echocardiogr.1989 2(5):358-367. Sep-Oct

# concept[].definition
Bullet method of estimating ventricular volume. Volume = 5/6 * L * S L: Left ventricle long axis length S: Left ventricle area, SAX view at level of Mitral Valve

# concept[].definition
Color coded ultrasound images of blood flow, which depict the amplitude, or power, of Doppler signals

# concept[].definition
Onset of administration of dose of a drug

# concept[].definition
Destruction of ultrasonic contrast microbubbles by a high-energy ultrasound pulse

# concept[].definition
Ultrasound transducer scan pattern in which information is gathered along a line

# concept[].definition
Ultrasound transducer scan pattern in which information is gathered within a plane

# concept[].definition
Ultrasound transducer scan pattern in which information is gathered within a volume

# concept[].definition
Ultrasound transducer geometry characterized by a single scan line used for PW or CW Doppler scanning

# concept[].definition
Ultrasonic transducer geometry characterized by parallel lines

# concept[].display
Curved linear ultrasound transducer geometry

# concept[].definition
Ultrasonic transducer geometry characterized by radial lines normal to the outside of a curved surface

# concept[].definition
Ultrasonic transducer geometry characterized by lines originating from a common apex

# concept[].definition
Ultrasonic transducer geometry characterized by lines emanating radially from a single point

# concept[].definition
Ultrasonic transducer geometry characterized by a circular ring of transducer elements

# concept[].definition
Ultrasonic steering technique consisting of a single beam normal to the transducer face steered by the orientation of the probe

# concept[].definition
Ultrasonic steering technique consisting of mechanically directing the beam

# concept[].definition
Ultrasonic steering technique consisting of electronically-steered beams

# concept[].definition
Transducer is designed to be placed onto the surface of the subject

# concept[].definition
Transducer is designed for insertion into the esophagus

# concept[].definition
Transducer is designed for insertion into the vagina

# concept[].definition
Transducer is designed for insertion into the rectum

# concept[].definition
Transducer is designed for insertion via a catheter

# concept[].definition
method to measure the mass of the Left Ventricle via the ASE area-length method at end diastole. LV Mass = 1.05*(5/6*(A1*(L+t)) - 5/6*(A2*L)) A1 = Left Ventricle epicardial SAX area at the level of the papillary muscle tips at end diastole. A2 = Left Ventricle endocardial SAX area cavity area at the level of the papillary muscle tips at end diastole. L = Left Ventricle apical view long axis length at end diastole. t = Myocardial thickness can be computed as: t = sqrt (A1/3.14) - sqrt (A2/3.14) Reference: 1) Schiller, N.B., et al. "Recommendations for Quantification of the LV by Two-dimensional Echocardiography." J Am Soc Echo, Vol. 2, No. 5: 358-367, Sep-Oct 1989. 2) Reichek, N., et al. "Anatomic Validation of Left Ventricular Mass Estimates from Clinical Two-dimensional Echocardiography: Initial Results." Circulation, Vol. 67, No. 2: 348-52, February 1983

# concept[].display
Left Ventricle Mass by M-mode - adjusted by Height

# concept[].definition
Equation = Left Ventricle Mass by M-mode (in gram) / (Height (in meter)) ^2.7 Reference: Giovanni De Simone, et al. "Effect of Growth on Variability of Left Ventricular Mass: Assessment of Allometric Signals in Adults and Children and Their Capacity to Predict Cardiovascular Risk". New York, New York and Cincinnati, Ohio

# concept[].display
Left Ventricle Mass by Truncated Ellipse - adjusted by Height

# concept[].definition
Equation = Left Ventricle Mass by Truncated Ellipse / Height^2.7 Reference: Giovanni De Simone, et al. "Effect of Growth on Variability of Left Ventricular Mass: Assessment of Allometric Signals in Adults and Children and Their Capacity to Predict Cardiovascular Risk". New York, New York and Cincinnati, Ohio

# concept[].display
Left Ventricle Mass by Area Length - adjusted by Height

# concept[].definition
Equation = Left Ventricle Mass by Area Length / Height^2.7 Reference: Giovanni De Simone, et al. "Effect of Growth on Variability of Left Ventricular Mass: Assessment of Allometric Signals in Adults and Children and Their Capacity to Predict Cardiovascular Risk". New York, New York and Cincinnati, Ohio

# concept[].definition
CARDIOsphere ultrasonic contrast agent produced by POINT Biomedical

# concept[].definition
Echovist® ultrasonic contrast agent produced by Schering AG

# concept[].definition
Imagify ultrasonic contrast agent produced by Accusphere Inc

# concept[].definition
Levovist® ultrasonic contrast agent produced by Schering AG

# concept[].definition
Sonazoid ultrasonic contrast agent produced by Daiichi Pharmaceutical / General Electric

# concept[].definition
SonoVue ultrasonic contrast agent produced by Bracco Diagnostics

# concept[].definition
Targestar-B ultrasonic contrast agent produced by Targeson LLC

# concept[].definition
Targestar-P ultrasonic contrast agent produced by Targeson LLC

# concept[].definition
A structured report containing the quantitative results of human or machine analysis of images

# concept[].definition
A structured report containing the quantitative results of human or machine analysis of images for oncology evaluation

# concept[].definition
A structured report containing the quantitative results of human or machine analysis of DCE-MR

# concept[].definition
A structured report containing the quantitative results of human or machine analysis of PET images

# concept[].definition
Measurements derived from measurements made on images

# concept[].definition
An MRI procedure in which multiple parameters including diffusion, dynamic contrast and T2 are measured

# concept[].definition
An MRI procedure of the prostate in which multiple parameters including diffusion, dynamic contrast and T2 are measured

# concept[].definition
An MRI procedure of the whole body in which multiple parameters including diffusion, dynamic contrast and T2 are measured

# concept[].definition
The volume derived by summing the volumes of all the voxels (and partial voxels if the segment contains partially occupied voxels) included in the segment

# concept[].definition
Maximum average gray value that is calculated from a 1 cubic centimeter sphere placed within the region of interest. Reference Wahl et al PERCIST article

# concept[].definition
The volume of a lesion (e.g. a tumor) ascertained through information about its metabolic activity (e.g. SUV on PET). Abbreviated "MV". Synonymous with Metabolic Tumor Volume (MTV)

# concept[].definition
The total activity of a lesion obtained as the product of its volume and its glycolytic activity (on FDG-PET). The volume may be defined on the same modality (e.g. the MV on FDG-PET by some thresholding or other technique) or on another spatially registered modality (e.g. the lesion outline segmented on CT or MR). Does not apply to other radiopharmaceuticals than those involved in glucose metabolism. Abbreviated TLG. Synonymnous with "Tumor Lesion Glycolysis"

# concept[].definition
The amount glycolytic activity summed across all voxels in a defined region or within a defined range of SUV (on FDG-PET)

# concept[].definition
The total activity of a lesion obtained as the product of its volume and its proliferative activity (on FLT-PET). The volume may be defined on the same modality (e.g. the MV on FDG-PET by some thresholding or other technique) or on another spatially registered modality (e.g. the lesion outline segmented on CT or MR). Does not apply to other radiopharmaceuticals than those involved in cellular proliferation. Abbreviated TLP. Synonymnous with "Tumor Lesion Proliferation"

# concept[].definition
The amount proliferative activity summed across all voxels in a defined region or within a defined range of SUV (on FLT-PET)

# concept[].display
Standardized Added Metabolic Activity (SAM)

# concept[].definition
A background-corrected, partial volume independent version of TLG. SAM is calculated by drawing a volume of interest (VOI1) around the tumour and a larger VOI (VOI2) around VOI1. Subtracting the background activity in VOI2-VOI1 from VOI1 yields SAM. See Mertens et al. "Standardized added metabolic activity (SAM): a partial volume independent marker of total lesion glycolysis in liver metastases". Eur J Nucl Med Mol Imaging (2012) 39:1441-1448

# concept[].display
Standardized Added Metabolic Activity (SAM) Background

# concept[].definition
The background value (VOI2-VOI1) used to calculate Standardized Added Metabolic Activity (SAM). SAM is calculated by drawing a volume of interest (VOI1) around the tumour and a larger VOI (VOI2) around VOI1. Subtracting the background activity in VOI2-VOI1 from VOI1 yields SAM. See Mertens et al. "Standardized added metabolic activity (SAM): a partial volume independent marker of total lesion glycolysis in liver metastases". Eur J Nucl Med Mol Imaging (2012) 39:1441-1448

# concept[].definition
The ratio of the SUV within a tumor to the SUV of a pre-defined background region. Need reference(s). A more general concept than Tumor to Background Ratio (TBR)

# concept[].display
Background for Lesion to Background SUV Ratio

# concept[].definition
The SUV of a pre-defined background region used to compute Lesion to Background SUV Ratio. Need reference(s)

# concept[].definition
A statistical index of complexity comparing how detail in a fractal pattern changes with the scale at which it is measured; a ratio of the change in detail to the change in scale

# concept[].definition
Measure of the asymmetry of the probability distribution of a real-valued random variable about its mean

# concept[].definition
Measure of the peakedness of the probability distribution of a real-valued random variable

# concept[].definition
The zero order entropy of a Gray Level Co-occurrence Matrix (GLCM). A measure of disorder. See http://www.fp.ucalgary.ca/mhallbey/equations.htm

# concept[].definition
The energy (uniformity) (square root of the Angular Second Moment (ASM)) of a Gray Level Co-occurrence Matrix (GLCM). A measure of orderliness. See http://www.fp.ucalgary.ca/mhallbey/equations.htm

# concept[].definition
The Inverse Difference Moment of a Gray Level Co-occurrence Matrix (GLCM). See http://www.fp.ucalgary.ca/mhallbey/equations.htm

# concept[].definition
The sum of squares variance of a Gray Level Co-occurrence Matrix (GLCM). See http://www.fp.ucalgary.ca/mhallbey/equations.htm

# concept[].definition
The dissimilarity of a Gray Level Co-occurrence Matrix (GLCM). See http://www.fp.ucalgary.ca/mhallbey/equations.htm

# concept[].definition
The Angular Second Moment of a Gray Level Co-occurrence Matrix (GLCM). See http://www.fp.ucalgary.ca/mhallbey/equations.htm

# concept[].definition
A measure of the linear dependency of grey levels on those of neighbouring pixels of a Gray Level Co-occurrence Matrix (GLCM). See http://www.fp.ucalgary.ca/mhallbey/equations.htm

# concept[].definition
A tabulation of how often different combinations of pixel values (grey levels) occur in an image. See http://www.fp.ucalgary.ca/mhallbey/the_glcm.htm

# concept[].definition
An identifier of a specific time point in a continuum, which is unique within an appropriate local context (such as an entire organization, system or treatment protocol), which identifies the time point for a specific patient

# concept[].definition
An identifier of a specific time point in a continuum, which is unique within an appropriate local context (such as an entire organization, system or treatment protocol), which identifies the time point "slot" within a treatment protocol using the same value for all patients in the protocol

# concept[].definition
A pre-defined type of a specific time point in a continuum

# concept[].definition
A number indicating the order of a time point relative to other time points in the same continuum

# concept[].definition
The time after the treatment of interest

# concept[].extension[].valueString
Similar but not identical to (21954-3, LN, "Protocol eligibility status Cancer"), since not constrained to cancer, etc.

# concept[].definition
For the purpose of determining eligibility for a protocol

# concept[].extension[].valueString
More specific than (112022, DCM, "RECIST") or (C1709926, UMLS, "RECIST") or (C49164, NCIt, "RECIST") in that a specific version is specified.

# concept[].definition
Response Evaluation Criteria in Solid Tumors version 1.0. See [RECIST] in Normative References

# concept[].extension[].valueString
More specific than (112022, DCM, "RECIST") or (C1709926, UMLS, "RECIST") or (C49164, NCIt, "RECIST") in that a specific version is specified.

# concept[].definition
Response Evaluation Criteria in Solid Tumors Version 1.1. See Eisenhauer et al. "New Response Evaluation Criteria in Solid Tumours: Revised RECIST Guideline (version 1.1)." European Journal of Cancer 45, no. 2 (n.d.): 228-47. doi:10.1016/j.ejca.2008.10.026.

# concept[].display
Real World Value Map used for measurement

# concept[].definition
A reference to the Real World Value Map applied to the stored image pixel values before their use for a measurement

# concept[].definition
A container that groups common information about a set of images used as evidence to produce a report

# concept[].definition
The date the acquisition of data started

# concept[].definition
The time the acquisition of data started

# concept[].definition
The time between the start of injection of the PET radionuclide and the start of acquisition of the PET data

# concept[].definition
Coefficient of determination, R2. An indication of goodness of fit

# concept[].display
Perfusion analysis by Stable Xenon CT technique

# concept[].definition
Perfusion analysis by Stable Xenon CT technique

# concept[].display
Perfusion analysis by IV Iodinated Contrast CT technique

# concept[].definition
Perfusion analysis by IV Iodinated Contrast CT technique

# concept[].display
Perfusion analysis by Arterial Spin Labeling MR technique

# concept[].definition
Perfusion analysis by Arterial Spin Labeling (ASL) MR technique

# concept[].display
Perfusion analysis by Susceptibility MR technique

# concept[].definition
Perfusion analysis by Susceptibility (T2*) MR technique

# concept[].display
Singular Value Decomposition (SVD) deconvolution

# concept[].definition
Singular Value Decomposition (SVD) deconvolution

# concept[].definition
Ktrans, the volume transfer constant of a tracer diffusion kinetic model, specifically the volume transfer constant between blood plasma and extravascular extracellular space (EES) See Tofts et al, "Estimating Kinetic Parameters From Dynamic Contrast-Enhanced T1-Weighted MRI of a Diffusable Tracer: Standardized Quantities and Symbols", Journal of Magnetic Resonance Imaging, vol. 10, pp. 223-232, 1999

# concept[].definition
kep, the rate constant between extravascular extracellular space (EES) and blood plasma See Tofts et al, "Estimating Kinetic Parameters From Dynamic Contrast-Enhanced T1-Weighted MRI of a Diffusable Tracer: Standardized Quantities and Symbols", Journal of Magnetic Resonance Imaging, vol. 10, pp. 223-232, 1999

# concept[].definition
ve, the fractional (not absolute) volume of extravascular extracellular space (EES) per unit volume of tissue See Tofts et al, "Estimating Kinetic Parameters From Dynamic Contrast-Enhanced T1-Weighted MRI of a Diffusable Tracer: Standardized Quantities and Symbols", Journal of Magnetic Resonance Imaging, vol. 10, pp. 223-232, 1999

# concept[].definition
The intial area under the contrast agent concentration-time curve

# concept[].definition
The intial area under the contrast agent concentration-time curve at 60 seconds after the onset time

# concept[].definition
The intial area under the contrast agent concentration-time curve at 90 seconds after the onset time

# concept[].definition
τm. The mean intracellular water lifetime (τi). Used in the Shutter-Speed Model (SSM) of tracer kinetics

# concept[].definition
vp. The fractional (not absolute) blood plasma volume per unit volume of tissue. See Tofts et al, "Estimating Kinetic Parameters From Dynamic Contrast-Enhanced T1-Weighted MRI of a Diffusable Tracer: Standardized Quantities and Symbols", Journal of Magnetic Resonance Imaging, vol. 10, pp. 223-232, 1999

# concept[].definition
A tracer diffusion kinetic model in which the permeability is assumed to be isodirectional. See P. Tofts, "Modeling tracer kinetics in dynamic Gd-DTPA MR imaging", Journal of Magnetic Resonance Imaging, vol. 7, pp. 91-101, 1997

# concept[].definition
A tracer diffusion kinetic model in which the permeability is not assumed to be isodirectional, and which includes the contribution of tracer in the blood plasma to the total tissue concentration. See P. Tofts, "Modeling tracer kinetics in dynamic Gd-DTPA MR imaging", Journal of Magnetic Resonance Imaging, vol. 7, pp. 91-101, 1997

# concept[].definition
A semiquantitative analysis of the contrast-enhancement concentration versus time curve that avoids the use of a pharmacokinetic model; e.g. integration to compute the initial area under the curve

# concept[].definition
A tracer diffusion kinetic model that accounts for the tumor leakage profile during the first pass of contrast. See Li, Ka-Loh, Xiao Ping Zhu, John Waterton, and Alan Jackson. "Improved 3D Quantitative Mapping of Blood Volume and Endothelial Permeability in Brain Tumors." Journal of Magnetic Resonance Imaging 12, no. 2 (2000): 347-357. doi:10.1002/1522-2586(200008)12:2<347::AID-JMRI19>3.0.CO;2-7

# concept[].definition
A tracer diffusion kinetic model that does not assume that intercompartmental water molecule exchange is infinitely fast. See Li, Xin, Wei Huang, Thomas E. Yankeelov, Alina Tudorica, William D. Rooney, and Charles S. Springer. "Shutter-Speed Analysis of Contrast Reagent Bolus-Tracking Data: Preliminary Observations in Benign and Malignant Breast Disease." Magnetic Resonance in Medicine 53, no. 3 (2005): 724-29. doi:10.1002/mrm.20405

# concept[].definition
T1 measurement by Multiple Flip Angles (MFA) (variable saturation) method

# concept[].definition
T1 measurement by Inversion Recovery (IR) method

# concept[].definition
Calculation was performed using a fixed value of T1 rather than a measured value. The value could be encoded as the value of (126353, DCM, "T1 Used For Calculation")

# concept[].definition
The fixed value of T1 used for a calculation

# concept[].definition
A population-averaged Arterial Input Function

# concept[].definition
An Arterial Input Function computed from a user-defined Region of Interest

# concept[].definition
An Arterial Input Function computed from an automatically detected Region of Interest

# concept[].definition
A data-driven blind source separation (BSS) algorithm that estimates AIF from individuals without any presumed AIF model and initialization. See Lin, Yu-Chun, Tsung-Han Chan, Chong-Yung Chi, Shu-Hang Ng, Hao-Li Liu, Kuo-Chen Wei, Yau-Yau Wai, Chun-Chieh Wang, and Jiun-Jie Wang. "Blind Estimation of the Arterial Input Function in Dynamic Contrast-Enhanced MRI Using Purity Maximization." Magnetic Resonance in Medicine 68, no. 5 (November 1, 2012): 1439-49. doi:10.1002/mrm.24144

# concept[].definition
The time at which the concentration-time curve achieves its peak for the first time. Used as a concept name for a value or as a method; e.g. used as a method of calculation for BAT. See Shpilfoygel Med Phys 2008. doi: 10.1118/1.1288669

# concept[].definition
The nominal time at which arrival of a contrast bolus is detected, which is used as a reference point for subsequent calculations. Used as a concept name for a value or as a method. No specific computational method is implied by this general definition. Abbreviated BAT

# concept[].definition
The time at which the concentration-time curve achieves half of its peak density for the first time. Used as a concept name for a value or as a method; e.g. used as a method of calculation for BAT. See Shpilfoygel Med Phys 2008. doi: 10.1118/1.1288669

# concept[].definition
A method of determining BAT that involves computing the temporal derivative of the concentration-time curve and selecting the time when the temporal derivative exceeds a specified threshold. See Shpilfoygel Med Phys 2008. doi: 10.1118/1.1288669

# concept[].definition
A threshold applied to the temporal derivative of the concentration-time curve; e.g. used to establish BAT. See Shpilfoygel Med Phys 2008. doi: 10.1118/1.1288669

# concept[].definition
The maximum rate of signal intensity change within a measured region of a time-activity curve. See Boonsirikamchai, Piyaporn, Harmeet Kaur, Deborah A. Kuban, Edward Jackson, Ping Hou, and Haesun Choi. "Use of Maximum Slope Images Generated From Dynamic Contrast-Enhanced MRI to Detect Locally Recurrent Prostate Carcinoma After Prostatectomy: A Practical Approach." American Journal of Roentgenology 198, no. 3 (March 1, 2012): W228-W236. doi:10.2214/AJR.10.6387

# concept[].definition
The maximum degree of signal intensity change within a measured region of a time-activity curve. See Boonsirikamchai, Piyaporn, Harmeet Kaur, Deborah A. Kuban, Edward Jackson, Ping Hou, and Haesun Choi. "Use of Maximum Slope Images Generated From Dynamic Contrast-Enhanced MRI to Detect Locally Recurrent Prostate Carcinoma After Prostatectomy: A Practical Approach." American Journal of Roentgenology 198, no. 3 (March 1, 2012): W228-W236. doi:10.2214/AJR.10.6387

# concept[].definition
Tracer concentration in tissue; e.g. in a DCE-MR experiment, the concentration of contrast agent in mmol/l

# concept[].definition
The degree to which a paramagnetic contrast agent can enhance the proton longitudinal relaxation rate constant (R1, 1/T1), normalized to the concentration of the contrast agent. Also referred to as r1. Typically expressed in units of l/mmol/s

# concept[].definition
The flow rate of blood perfusing a region as volume per mass per unit of time

# concept[].definition
The volume of blood perfusing a region as volume per mass

# concept[].definition
The percent of the oxygen removed from the blood by tissue during its passage through the capillary network. For example, as measured by blood oxygenation level dependent (BOLD) MR. See He, Xiang, and Dmitriy A. Yablonskiy. "Quantitative BOLD: Mapping of Human Cerebral Deoxygenated Blood Volume and Oxygen Extraction Fraction: Default State." Magnetic Resonance in Medicine 57, no. 1 (2007): 115-26

# concept[].definition
The longitiudinal relaxation rate constant. The inverse of longitudinal relaxation time, i.e., R1 = 1/T1

# concept[].definition
The transverse relaxation rate constant. The inverse of transverse relaxation time, i.e., R2 = 1/T2

# concept[].definition
A ratio of locally measured radioactivity concentration versus the injected radioactivity distributed evenly throughout the whole body. This general concept encompasses all specific methods of calculating the whole body volume of distribution, such as using body weight, lean body mass, body surface area, etc.

# concept[].definition
Standardized Uptake Value calculated using body weight. The patient size correction factor for males and females is body weight. Defined in Sugawara et al. Reevaluation of the Standardized Uptake Value for FDG: Variations with Body Weight and Methods for Correction.Radiology, 1999 at http://radiology.rsna.org/content/213/2/521

# concept[].definition
Standardized Uptake Value calculated using lean body mass. The patient size correction factor for males is 1.10 * weight - 120 * (weight/height) ^2, and for females is 1.07 * weight - 148 * (weight/height) ^2. Defined in Sugawara et al. Reevaluation of the Standardized Uptake Value for FDG: Variations with Body Weight and Methods for Correction.Radiology, 1999 at http://radiology.rsna.org/content/213/2/521

# concept[].definition
Standardized Uptake Value calculated using body surface area. The patient size correction factor for males and females is weight^ 0.425 * height^0.725 * 0.007184. Defined in Sugawara et al. Reevaluation of the Standardized Uptake Value for FDG: Variations with Body Weight and Methods for Correction.Radiology, 1999 at http://radiology.rsna.org/content/213/2/521

# concept[].definition
Standardized Uptake Value calculated using ideal body weight. The patient size correction factor for males is 48.0 + 1.06 * (height - 152) and for females is 45.5 + 0.91 * (height - 152). Defined in Sugawara et al. Reevaluation of the Standardized Uptake Value for FDG: Variations with Body Weight and Methods for Correction.Radiology, 1999 at http://radiology.rsna.org/content/213/2/521

# concept[].definition
Method of calculating Standardized Uptake Value using body weight. The patient size correction factor for males and females is body weight. Defined in Sugawara et al. Reevaluation of the Standardized Uptake Value for FDG: Variations with Body Weight and Methods for Correction.Radiology, 1999 at http://radiology.rsna.org/content/213/2/521

# concept[].definition
Method of calculating Standardized Uptake Value using lean body mass. The patient size correction factor for males is 1.10 * weight - 120 * (weight/height) ^2, and for females is 1.07 * weight - 148 * (weight/height) ^2. Defined in Sugawara et al. Reevaluation of the Standardized Uptake Value for FDG: Variations with Body Weight and Methods for Correction.Radiology, 1999 at http://radiology.rsna.org/content/213/2/521

# concept[].display
SUV body surface area calculation method

# concept[].definition
Method of calculating Standardized Uptake Value using body surface area. The patient size correction factor for males and females is weight^ 0.425 * height^0.725 * 0.007184. Defined in Sugawara et al. Reevaluation of the Standardized Uptake Value for FDG: Variations with Body Weight and Methods for Correction.Radiology, 1999 at http://radiology.rsna.org/content/213/2/521

# concept[].display
SUV ideal body weight calculation method

# concept[].definition
Method of calculating Standardized Uptake Value using ideal body weight. The patient size correction factor for males is 48.0 + 1.06 * (height - 152) and for females is 45.5 + 0.91 * (height - 152). Defined in Sugawara et al. Reevaluation of the Standardized Uptake Value for FDG: Variations with Body Weight and Methods for Correction.Radiology, 1999 at http://radiology.rsna.org/content/213/2/521

# concept[].definition
A beta-amyloid PET radiotracer that is an analog of thioflavin T

# concept[].definition
A nicotinic α4β2 receptor (nAChR) PET radiotracer

# concept[].definition
A Cu 64 Monoclonal Antibody (mAb) PET Radiotracer

# concept[].definition
A Zr 89 Monoclonal Antibody (mAb) PET Radiotracer

# concept[].definition
An F 18 Fluoromisonidazole PET radiotracer

# concept[].definition
An I 124 cancer targeted phospholipid ether PET radiotracer

# concept[].definition
An I 131 cancer targeted phospholipid ether PET radiotracer

# concept[].display
IEC6127 Patient Support Continuous Angle

# concept[].definition
Patient Support Continuous Angle in IEC PATIENT SUPPORT Coordinate System [IEC 61217]

# concept[].display
IEC6127 Table Top Continuous Pitch Angle

# concept[].definition
Table Top Continuous Pitch Angle in the direction of the IEC TABLE TOP Coordinate System [IEC 61217]

# concept[].definition
Table Top Continuous Roll Angle in the direction of the IEC TABLE TOP Coordinate System [IEC 61217]

# concept[].display
IEC6127 Table Top Eccentric Axis Distance

# concept[].definition
Table Top Eccentric Axis Distance [IEC 61217]

# concept[].display
IEC6127 Table Top Continuous Eccentric Angle

# concept[].definition
Table Top Continuous Eccentric Angle in the direction of the IEC TABLE TOP ECCENTRIC Coordinate System [IEC 61217]

# concept[].definition
Table Top Lateral Position IEC TABLE TOP Coordinate System [IEC 61217]

# concept[].definition
Table Top Longitudinal Position IEC TABLE TOP Coordinate System [IEC 61217]

# concept[].definition
Table Top Vertical Position in IEC TABLE TOP Coordinate System [IEC 61217]

# concept[].definition
Gantry Continuous Roll Angle in degrees of the radiation source, i.e., the rotation about the Y-axis of the IEC GANTRY coordinate system [IEC 61217]

# concept[].definition
Gantry Pitch Continuous Angle in degrees of the radiation source, i.e., the rotation about the X-axis of the IEC GANTRY coordinate system [IEC 61217]

# concept[].definition
Gantry Yaw Continuous Angle in degrees of the radiation source, i.e., about the Z-axis of the IEC GANTRY coordinate system [IEC 61217]