display: Air crescent

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]


display: End oxygen administration

definition: The action or event of ending administration of oxygen to a patient

resourceType: Concept


display: Patient Assessment Performed

definition: The action or event of assessing the clinical status of a patient


display: Regional Contribution to Ejection Fraction

definition: Contribution of Region to global Ejection factor based on radial or landmark based wall motion method


display: Single RCA Region in RAO Projection

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]


display: Age when hysterectomy performed

definition: The age of the patient at the time her uterus was removed


display: Multiple Slices

definition: Volume method based on multiple slice


display: Border definition

definition: Characteristic of the clarity of the boundary or edges of a finding or feature


display: Cavity extent as percent of volume

definition: The extent of a detected cavity, represented as the percent of the surrounding volume that it occupies


display: Acetabular Cup Shell

definition: Prosthetic component implanted into the acetabulum. Provides hold for the insert that is mounted inside the cup


display: Not parallel

definition: The anterior-posterior or vertical dimension is greater than the transverse or horizontal dimension


display: Field 2 for Joslin 3 field

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


display: Best In Set

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"


display: Left Ventricular ejection time

definition: Left Ventricular ejection time


display: Derived Fiducial

definition: Fiducials that represent geometric characteristics, such as center of rotation, and are derived from other fiducials


display: Acquisition frames corresponding to volume

definition: The referenced image is the source of spatially-related frames from which the referencing 3D volume data set was derived


display: Gradient pressure, average

definition: Gradient pressure, average


display: Q wave

definition: The first negative deflection of the electrocardiogram caused by ventricular depolarization


display: Mid-peripheral-inferior

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


display: Paraspinal line

definition: A vertically oriented interface usually seen in a frontal chest radiograph to the left of the thoracic vertebral column [Fraser and Pare]


display: Blood Oxygen content

definition: Blood Oxygen content


display: TG18-UNL80 Pattern

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


display: Current pregnancy, known or suspected malformations/syndromes

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


display: Anatomic Identifier

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"


display: Polyurethane implant

definition: A polymer based (plastic) prosthetic device implanted in the breast


display: Identifiable effect on surrounding tissues

definition: Sonographic appearance of adjacent structures relative to a mass finding


display: Patient Status or Event

definition: A recorded Patient Status or an event involving a patient


display: Interfering Tears or Drops

definition: Tear film or drops affecting test quality


display: Room Barometric pressure

definition: Barometric pressure in the procedure room


display: Real time acquisition

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


display: Prospective gating

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)


display: Subject UID

definition: Unique Identifier of patient or fetus who is the subject of observations


display: For Attenuation Correction

definition: The referenced information was used to correct the data for differential attenuation through different anatomic tissue


display: Node ID

definition: ID of a node that is a participant object of an audit message


display: Source dose for composing current dose

definition: RT Dose Instances used as source for calculated dose


display: Atrial pressure measurements

definition: Atrial pressure measurements, report section


display: Visual Field GATEi Test Strategy

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


display: End of expiration

definition: The moment at the end of respiratory expiration


display: Acquisition Equipment Alignment

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


display: Severity of Calcification

definition: Severity of Calcification, property of lesion


display: Room oxygen concentration

definition: Oxygen concentration in the procedure room


display: Positioner Secondary Angle

definition: Position of the X-Ray beam about the patient from the caudal to cranial direction where movement from caudal to vertical is positive


display: Recall for technical reasons

definition: Patient returns for additional images to improve the quality of the most recent exam


display: Front Of Cornea To Front Of Lens

definition: Anterior chamber depth defined as the front of the cornea to the front of the lens


display: Volumetric Diffusion Dxx Component

definition: Dxx Component of the diffusion tensor, quantifying the molecular mobility along the X axis


display: No empty tile suppression

definition: Tiles without tissue imaged are not suppressed from inclusion in image object


display: No subsequent Workitems

definition: There will be no more work items scheduled


display: Dose Area Product

definition: Radiation dose times area of exposure


display: Positive Infinity

definition: Measurement not available: Positive Infinity (per IEEE 754)


display: TG18-LN8-13 Pattern

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


display: Modality

definition: Type of data acquisition device


display: Growth Percentile rank

definition: The rank of a measured growth indicator relative to a normal distribution expressed as a percentage


display: Uninvolved

definition: Indicates that the margin of the biopsy specimen was not involved with the tumor


display: Axillary node with lymphoma

definition: Axillary node with lymphoid tissue neoplasm


display: Calcifications within a mass

definition: An indicator that calcifications are imbedded within a mass


display: Arterial conduit angiography

definition: Arterial conduit angiography


display: Patient Orientation

definition: Orientation of the Patient with respect to Gravity


display: Estrogen receptor

definition: The result of a test for the presence of a protein that binds with estrogen


display: Plane B

definition: Secondary plane of a Biplane acquisition equipment


display: MLO Insufficient pectoral muscle

definition: Image quality deficiency according to MQCM


display: Spatially-related frames extracted from the volume

definition: Spatially-related frames in this image are representative frames from the referenced 3D volume data set


display: Foveal sensitivity related

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


display: Fluffy

definition: A shadow (opacity) that is ill-defined, lacking clear-cut margins [Fraser and Pare]


display: Flash doesn't include date of examination


display: Average Glandular Dose

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


display: Photopic light

definition: Lighting condition approximately 40 lux


definition: An I 124 cancer targeted phospholipid ether PET radiotracer


display: Planning Method

definition: The method used for planning


display: TG18-PQC Pattern

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


display: Visual Field FastPac Test Strategy

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


display: Velocity Encoding Maximum Value

definition: The maximum velocity encoded by the phase encoding gradient


display: Comparison to previous findings

definition: The result of assessing the current imaging exam in comparison to previous imaging exams


display: Indirect Detector

definition: Detector that transforms an intermediate signal into pixel values; e.g. a scintillator-based detector


display: T1 by Inversion Recovery

definition: T1 measurement by Inversion Recovery (IR) method


display: TG18-GA10 Pattern

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]


display: DIN Geometry Pattern

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


display: TG18-LN8-10 Pattern

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


display: Ultrasound Contact

definition: A method of obtaining ophthalmic axial measurements that uses ultrasound, and that requires applanation of the cornea


display: Image Acquired

definition: Event of the acquisition of an image


display: Recent Physical Activity

definition: A description of physical activity the patient performed before the start of the procedure, such as that which may affect imaging agent biodistribution


display: Iterative Reconstruction

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


display: Method of Disks, Single Plane

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


display: Arc of Calcium

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


display: Corneal axial power map

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


display: Normalized Chord Length

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]


display: Ductal adenoma

definition: Adenoma located in mammary duct, present as discrete sclerotic nodules, solitary or multiple


display: Cetuximab ^89^Zr

definition: A Zr 89 Cetuximab PET Radiotracer


display: Vasoconstriction

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]


display: superior longitudinal fasciculus III

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


display: Left Atrial ES Volume

definition: Left Atrial End Systolic Volume


display: Review of an outside study

definition: Review or second opinion made on an image performed outside of the facility


display: Device

definition: Automated device created the observations


display: SonoVue

definition: SonoVue ultrasonic contrast agent produced by Bracco Diagnostics


display: TG18-LN8-09 Pattern

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


display: Width Descriptor

definition: A qualitative descriptor for the thickness of tubular structures, such as blood vessels


display: Very small

definition: A qualitative descriptor of a size that is considerably less than typical


display: Patient disconnected from continuous monitoring


display: False positive defect finding

definition: Finding of a defect is incorrect; e.g. from automated analysis


display: Glutamine F^18^

definition: An F 18 Glutamine PET radiotracer


display: Patient Orientation Modifier

definition: Enhances or modifies the Patient orientation specified in Patient Orientation


display: Quality Finding

definition: A specific quality related deficiency detected within an image


display: Begin Pacing

definition: The action or event of beginning pacing support for a patient


display: Nipple discharge cytology

definition: The study of cells obtained from fluid emitted from the breast


code: OPT

display: Ophthalmic Tomography

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


display: Metastasis to an intramammary lymph node

definition: A malignant lesion in a intramammary lymph node arising from a non-intramammary lymph node neoplasm


display: Impression Description

definition: Free-form text describing the overall or an individual impression


display: Pixel by pixel Minimum

definition: Values are derived by calculating the pixel by pixel minimum of two or more images


display: Subject Name

definition: Name of patient who is the subject of observations


display: Volumetric Diffusion Dxy Component

definition: Dxy Component of the diffusion tensor, quantifying the correlation of molecular displacements in the X and Y directions


display: CK-MB peak

definition: Creatine Kinase-MB highest value measured during procedure


display: 3D mode

definition: Volumetric ultrasound imaging


display: Software Configuration

definition: Audit event: Software configuration has been changed


display: Vascular Volume measurement length

definition: Longitudinal extent of the Vascular Volume Measurement. This is the distance from the distal edge to the proximal edge of the Volume measurement


display: Lesion boundary

definition: The lesion boundary describes the transition zone between themas and the surrounding tissue


display: Fetal Measurements

definition: Fetal Measurements (findings section title)


display: Reason for procedure

definition: Concept name for the description of why a procedure has been performed


display: Response Evaluation

definition: A heading for the reporting of response evaluation for treatment of solid tumors


display: TG18-NS89 Pattern

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]


code: VIDD

display: Video Tape Digitizer Equipment

definition: Equipment that digitizes video tape and imports it


display: Unknown failure

definition: Unidentified or unknown cause of failure


display: Generic Planning for Hip Replacement

definition: Planning of a Hip Replacement, by an unspecified method


code: ST

definition: Single-photon emission computed tomography (SPECT) device


display: No complications

definition: Having experienced no adverse medical conditions related to or resulting from an interventional procedure


display: Instance Number

definition: A number that identifies an Instance. Corresponds to (0020,0013) in PS3.3


display: Bi-plane Angiography

definition: Bi-plane Angiography


code: OPR

display: Ophthalmic Refraction

definition: Modality device that measures the refractive characteristics of the eye


display: Field 1 for Joslin 3 field

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


display: Start of X-Ray Irradiation

definition: Start, DateTime of the first X-Ray Irradiation Event of the accumulation within a Study


display: Personnel Arrived

definition: Identified personnel or staff arrived in procedure room


display: Tissue selection method

definition: Technique for identifying tissue to be imaged versus area of slide not to be imaged


display: Person ID Issuer

definition: The organization that issued a Person ID


display: V wave peak pressure

definition: The peak pressure of each heart beat in the atrium caused by the filling of the atrium


display: Haigis a0

definition: The "Haigis a0" constant used in IOL calculation


display: Intervention attempt identifier

definition: Identifier for an attempted Intervention


display: Dissection with entire specimen submission

definition: Dissection of specimen with submission of all its sections for further processing or examination


display: T wave

definition: The electrocardiogram deflection caused by ventricular repolarization


display: Non-lesion

definition: A finding or feature that is identified as a non-anatomic foreign object


display: Recommended CAD Operating Point

definition: The CAD operating point that is recommended for initial display by the creator of the structured report


display: Correlates to MRI findings

definition: An indication that the current imaging finding relates to a finding from a breast MRI exam


display: Haigis-L

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


display: IEC6127 Patient Support Continuous Angle

definition: Patient Support Continuous Angle in IEC PATIENT SUPPORT Coordinate System [IEC 61217]


display: Guidewire crossing lesion successful

definition: Guidewire crossing lesion successful


display: Performance of Pediatric and Adult Thoracic CT

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


display: YBR FULL CB Component

definition: CB (Blue chrominance) component of a YBR FULL image, as defined in JPEG 2000


display: Pixelated spiculations

definition: A collection of points indicating the pixel locations of the spiculations of a finding


display: Incorrect worklist entry selected

definition: Procedure discontinued due to incorrect patient or procedure step selected from modality worklist


display: Breast Imaging Report

definition: Report title for the diagnostic report for one or more breast imaging or intervention procedures


display: Start of atrial contraction (subsequent)

definition: The beginning of the second atrial contraction of two consecutive beats


display: Stage I

definition: TNM grouping of tumor stage, from AJCC, where primary tumor is T1, regional lymph node is N0, and distant metastasis is M0


display: MR Perfusion Time Integral

definition: MR perfusion time integral from baseline (foot time) to earliest peak


display: Pulse Rate

definition: Pulse rate applied by equipment during Fluoroscopy


display: V wave pressure, average

definition: The average of several V wave pressure measurements


display: Spatial Displacement Z Component

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


display: Needle Gauge

definition: Needle size (diameter) characterization; e.g. of a biopsy needle


display: Extravasation

definition: Abnormal flowage of contrast media within the breast noted on ductography


display: Dog Registry of America

definition: Dog Registry of America


display: Flash doesn't include facility name and location

definition: Image quality deficiency according to MQSA


definition: View Orientation Modifier indicates that the view orientation of the imaging plane is rotated +45° along the cranial-caudal axis


display: Blood Carbon dioxide saturation

definition: Blood Carbon dioxide saturation


display: if (prem age< 3days) P50 = 19.9

definition: Estimate of Oxygen partial pressure at 50% saturation for premature infants less than 3 days old: P50 = 19.9


display: Abrupt duct termination

definition: An abnormality observed during ductography where the ductal system within the breast terminates in an unusual fashion


display: Beat detected (accepted)

definition: An identified cardiac beat used in the determination of a measurement


display: C3 - Polyp, Possibly Advanced Adenoma

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


display: Irradiation Administering

definition: The person responsible for the administration of radiation


display: Best illustration of finding

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


display: Wall Volume

definition: Volume of the chamber wall estimated from the current view


display: Computed From Image Attributes

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


display: Volume scoring method

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


display: Fractional Occupancy Segmentation

definition: Percentage of the voxel area occupied by the segmented property


definition: Phonocardiographic waveform obtained simultaneously with acquisition of a referencing image


display: TG18-LN8-18 Pattern

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


display: Calculation failure

definition: Measurement not available: Calculation failure


display: TG18-LN12-17 Pattern

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


display: Location of Specimen Z offset

definition: Location of specimen (nominal center) relative to the Position Frame of Reference in the Z dimension


display: Fibrocalcific

definition: Pertaining to sharply defined, linear, and/or nodular opacities containing calcification(s) [Fraser and Pare]


display: Spacing between slices

definition: Distance between contiguous images, measured from the center-to-center of each image


display: Green filter

definition: Filter that transmits green light while blocking the other colors, typically centered at 510-540 nm


display: Mid-peripheral-inferior nasal

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


display: Ongoing

definition: An indicator of whether an event is still in progress, such as the use of a medication or substance, or environmental exposure


display: Sacrred Myocardial

definition: Sacrred Myocardial


display: Total Lesion Proliferation

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"


display: Procedure Study Component UID

definition: Unique identifier for the Performed Procedure Step


display: Subject ID

definition: Identifier of patient or fetus who is the subject of observations


definition: Caudal 10 degree distal-cranioproximal oblique radiographic projection, defined per Smallwood et al


display: Mating Feature Set ID

definition: ID of a Mating Feature Set in an Implant Component


display: Acquisition Protocol

definition: A type of clinical acquisition protocol for creating images or image-derived measurements. Acquisition protocols may be specific to a manufacturer's product


definition: Nuclear Medicine Rest thallium/stress technetium procedure


display: DateTime problem observed

definition: The date and time that a symptom was noted


display: PET Myocardial Viability, Stress only

definition: Positron Emission Tomography Myocardial Viability procedure, stress only


display: Image Set Properties

definition: Characteristics of a set of images


display: Difference in border definition

definition: A change in the clarity of the boundary or edges of a finding or feature


display: Regional Cerebral Blood Volume

definition: The volume of blood perfusing a region of brain as volume per mass


code: RTSTRUCT

display: Radiotherapy Structure Set

definition: Radiotherapy Structure Set


display: Papillary Muscle Excluded

definition: Papillary muscle was excluded from the measurement


display: Report Verification

definition: Report verification work item


display: Beat detected (rejected)

definition: An identified cardiac beat not used in the determination of a measurement


display: Multiplanar reformatting

definition: Values are derived by reformatting in a flat plane other than that originally acquired


display: Halo sign

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]


display: Spectral domain

definition: Identifies the use of physical signals with respect to multiple frequencies to capture information


display: Signet-ring sign

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]


display: Bullet Method

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


code: CAPTURE

display: Image Capture

definition: Image Capture Device, includes video capture


display: Stimulation at rate 3 interval

definition: A stimulation interval different from and subsequent to the second interval in a pacing train


display: Quantitative Ventriculography Report

definition: Quantitative Ventriculography Report


display: Monoclonal Antibody (mAb) ^89^Zr

definition: A Zr 89 Monoclonal Antibody (mAb) PET Radiotracer


display: Haigis a2

definition: The "Haigis a2" constant used in IOL calculation


display: Left Atrial Ejection Fraction by Angiography


display: Ductography

definition: A medical procedure used for the sampling of mammary duct tissue


display: ACR Accreditation Phantom - ECT/PET

definition: A SPECT phantom with a PET faceplate acceptable for both the ACR SPECT and PET Accreditation programs


display: Auto Keratometry

definition: Measurements taken of the corneal curvature using an automated keratometer


display: Peak Double Product

definition: Peak Double Product measurement during course of procedure


display: Calibration Factor

definition: Factor by which a measured or calculated value is multiplied to obtain the estimated real-world value


display: ACR Accreditation Phantom - PET Faceplate

definition: A PET faceplate (made to fit an existing flangeless or flanged ECT phantom) acceptable for the ACR PET Accreditation program


display: 5 Point Segment Finding Scale With Graded Hypokinesis

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


display: Intracystic papilloma

definition: Growing within a cystic adenoma, filling the cavity with a mass of branching epithelial processes


display: TG18-LN12-07 Pattern

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


code: DOCD

display: Document Digitizer Equipment

definition: Equipment that digitized hardcopy documents and imported them


display: DateTime of Intervention

definition: DateTime of Intervention


display: Peak stress state

definition: Peak cardiac stress state


display: Complex cyst

definition: A fluid-filled sac with greater than normal characteristics


display: Composed from prior doses

definition: The dose object created was calculated by summation of existing, previously calculated, RT Dose instances


code: ONLINE

display: Online

definition: Instances are immediately available


display: Contrast Phase

definition: The subpart of a cardiac catheterization procedure in which a radio-opaque contrast medium is injected into the patient


display: Device Serial Number

definition: Serial Number of a device


display: Field 3 for Joslin 3 field

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


display: IEC Body Dosimetry Phantom

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)


display: Focal plane Z offset

definition: Nominal distance above a reference plane (typically a slide glass substrate top surface) of the focal plane


display: Acetabular Center of Rotation

definition: Center of Rotation of the natural Acetabulum


display: Personnel Departed

definition: Identified personnel or staff departed procedure room


display: Additional evaluation requested from abnormal screening exam

definition: Additional breast imaging performed at the time of the patient's screening mammogram


display: Parallel grid

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


display: Volume Surface

definition: Surface of an identified or measured volume


display: DLP Alert Value

definition: Cumulative Dose Length Product value configured to trigger an alert; see NEMA XR 25-2010 Dose Check Standard


display: Anode Target Material

definition: The primary material in the anode of an X-Ray source


display: Artifact(s) other than grid or detector artifact

definition: Features or discontinuities arising from causes other than the anti-scatter grid and image detector


display: 70% of thermal CO

definition: A signal point that is 70% of the peak thermal cardiac output signal


display: Accumulated X-Ray Dose Data

definition: X-Ray dose data accumulated over multiple irradiation events; e.g. for a study or a performed procedure step


display: Multispectral Processing

definition: Surface processing accomplished through the weighted combination of multiple data sets. Includes Principle Component Analysis, linear and non-linear weighed combinations, etc.


display: Other Projection System

definition: A Display Device that projects images on a surface from an unspecified direction using an unspecified means


display: Volume scan pattern

definition: Ultrasound transducer scan pattern in which information is gathered within a volume


display: Brand Name

definition: Product name of a device or substance, such as medication, to identify it as the product of a single firm or manufacturer


display: System Calculated

definition: Values calculated from other existing parameters


display: Normality

definition: Assessment of a measurement relative to a normal range of values; may be considered subtype of term (G-C0F2, SRT, "has interpretation")


display: Anterior To Posterior

definition: Orientation of a spatial dimension where increasing values run from the anterior to the posterior side of the patient


display: Corona radiata

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]


display: Contour Start

definition: Location of the beginning of a contour


display: View and Laterality Marker is partially obscured

definition: Image quality deficiency according to MQCM


display: 3rd week

definition: In the third week of the menstrual cycle phase, that is, three weeks following menses


display: Partial Rendering for Presentation

definition: Instance that contains a displayable partial rendering of the referencing Instance


display: Quantity administered

definition: Number of units of substance administered to a patient; e.g. tablets


display: CTDIvol Notification Value Configured

definition: Flag denoting whether a CTDIvol Notification Value was configured


display: CAD Processing and Findings Summary

definition: General assessment of whether or not CAD processing was successful, and whether any findings resulted


display: Case Sensitivity

definition: The percentage of cancers that should be detected by a CAD algorithm where CAD marks the cancers in at least one view


display: Same acquisition at different spectral band

definition: Image of the same target area at different spectral band acquired in the same acquisition process


display: Right Eye Rx

definition: The spectacle prescription for the right eye


display: Image Region

definition: Purpose of reference for an SCOORD content item that identifies a specific region of interest within an image


display: Abnormal texture

definition: Relatively homogeneous, extended, pattern of abnormal opacity in the lung, typically low in contrast


display: Marker placement

definition: Positioning of a radiopaque marker


display: Stage IIB

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


display: Very strong family history of breast cancer

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®


code: MC

display: Male changed to Female

definition: Male sex changed to Female sex


display: Midlung window

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]


display: ACR Accreditation Phantom - ECT

definition: A phantom acceptable for the ACR SPECT Accreditation program (but not for PET)


display: TG18-LPH10 Pattern

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]


display: Planning Information for Intraoperative Usage

definition: Information that is intended to be used intra-operatively


display: Asymmetric implants

definition: Breast prosthetic devices are not symmetric, equal, corresponding in form, or are in one breast (unilateral)


display: Saline implant

definition: A salt water filled prosthetic device implanted in the breast


display: CRT Front Projection System

definition: A Display Device that projects images on a surface from in front using a Cathode Ray Tube


display: Patient discharged from department

definition: Patient discharged from department or laboratory


display: Sclerosing adenosis

definition: Prominent interductal fibrosis of the terminal ductules


display: Arteriovenous difference

definition: Arteriovenous oxygen content difference


display: Equipment removed

definition: Equipment removed from procedure room


display: Spectral filtered image

definition: Image providing the same view of the target anatomy acquired using only a specific imaging wavelength, frequency or energy


display: Acquisition Device ID

definition: Acquisition Device ID


display: Volume editing

definition: Values are derived by selectively editing acquired data (removing values from the volume), such as in order to remove obscuring structures or noise


display: Treatment Delivery Type

definition: Indicates whether the treatment to be delivered is a complete fraction or a continuation of previous incompletely treated fraction


display: Multiple LAD Region in RAO Projection

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]


display: Infiltrate

definition: Any ill-defined opacity in the lung [Fraser and Pare]


display: Contrast end

definition: Identifier of Contrast agent whose administration has ended


display: Perimeter outline

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


display: Relative Stenosis Severity

definition: Stenosis severity classifications of multiple lesions in a vessel


display: Blood lab measurements

definition: Blood lab measurements, report section


display: Radiopharmaceutical Stop Time

definition: Ending time of radiopharmaceutical administration to the patient for imaging purposes


display: Epidermal inclusion cyst

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


display: Densitometric Method

definition: Method based on the gray value distribution of the image


display: 35% of thermal CO

definition: A signal point that is 35% of the peak thermal cardiac output signal


display: Wedging

definition: Fixation due to forcing an object into a narrow space


display: Physical Examination Results

definition: The results of a physical examination performed on the patient, possibly including the results of inspection, palpation, auscultation, or percussion


display: Negative Enhancement Integral

definition: Values are derived by calculating negative enhancement integral values


display: Alternate SOP Class instance

definition: SOP Instance encoded with a different SOP Class but otherwise equivalent data


display: Pre-Administration Measured Activity

definition: Radioactivity measurement of radiopharmaceutical before or during the administration


display: Addended report

definition: The reference is to a predecessor report to which the current report provides and addendum


display: Native Plaque Volume

definition: The amount of plaque between the stent and the EEM, within the stent region. Native Plaque Volume = EEM Volume - Stent Volume


display: Measured Lateral Dimension

definition: The side-to-side (left to right) dimension of the body part being scanned (per AAPM Report 204)


display: Room temperature

definition: Temperature in the procedure room


display: Reference Point Definition

definition: System provided definition of the Reference Point used for Dose calculations


display: MLO No fat is visualized posterior to fibroglandular tissues

definition: Image quality deficiency according to MQCM


display: Overall Impression / Recommendation Analysis

definition: Analysis of all groups of findings or features, to produce a single impression and/or recommendation


display: Mid-peripheral-nasal

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


display: Cine Film Digitized

definition: Digitization of Cine Film


display: Reciprocating grid

definition: An X-Ray Grid that is designed to move during exposure, to eliminate the appearance of grid lines on the image


display: Diastolic pressure, average

definition: The average of several diastolic pressure measurements


display: Not a number

definition: Measurement not available: Not a number (per IEEE 754)


display: Outer limits of fuzzy margin

definition: A polyline defining the outer limits of a finding with fuzzy margin


display: Certainty of Impression

definition: The certainty that a device places on an impression, where 0 equals no certainty and 100 equals certainty


display: Coronary Flow reserve

definition: Coronary Flow reserve


display: No image

definition: No evidence of a patient exposure


display: Other malignancy type

definition: A breast cancer with malignant pathology findings that are not classified as invasive or in situ


display: BRCA2 breast cancer gene

definition: The second level genetic marker indicating risk for breast cancer


display: Chromaticity evaluation

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


display: Equivalent K-reading

definition: Corneal power measurements using Scheimpflug camera


display: Lucency

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]


display: Copied From Image Attributes

definition: The data is copied from information present in the image attributes; e.g. dose attributes such as CTDIvol (0018,9345)


display: Left Hemisphere Most Anterior

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


display: Import

definition: Audit event: Data has been imported into the system


display: Axillary node with calcifications

definition: Axillary node containing calcifications


display: Fractal Dimension

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


display: Same Indication

definition: Information acquired for the same indication; e.g. to elucidate the same diagnostic question


display: Multiple Intraductal Papillomas

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


display: Spontaneous Abortion

definition: A naturally occurring premature expulsion from the uterus of the products of conception - the embryo or a nonviable fetus


display: RCA Region in LAO Projection

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]


display: Remaining consumable disposed

definition: Identifier of consumable whose remaining content has been disposed


display: Distance

definition: A one dimensional, or linear, numeric measurement


display: Systolic blood velocity, peak

definition: Systolic blood velocity, peak


display: Air bronchogram

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]


display: Signal Change

definition: Values are derived by calculating signal change values


display: EP Procedure Phase

definition: A subpart of an electrophysiological procedure


display: Sharply demarcated

definition: The border of a shadow (opacity) is sharply distinct from adjacent structures [Fraser and Pare]


display: Cath Lab Procedure Log

definition: Time-stamped record of events that occur during a catheterization procedure


display: Non-bloody discharge (from nipple)

definition: The visible emission of non-bloody fluid from the nipple


display: Orthogonal location arc outer margin

definition: Connected line segments indicating the outer location of a finding on an orthogonal view


display: Dosimeter Type

definition: Type of dosimeter used


display: ST change from baseline

definition: Measured change of patient electrocardiographic ST level relative to baseline measurement


display: DLP Notification Value Configured

definition: Flag denoting whether a DLP Notification Value was configured


display: RT Patient Position Acquisition, dual plane kV

definition: Acquisition of patient positioning information prior to treatment delivery, using dual-plane kilovoltage imaging


display: Clinical Interpretation

definition: Clinical Interpretation, report section


display: Overall image quality evaluation

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


code: BMD

display: Bone Mineral Densitometry

definition: Bone Mineral Densitometry by X-Ray (modality), including dual-energy X-Ray absorptiometry (DXA) and morphometric X-Ray absorptiometry (MXA)


display: Previous RH negative or blood dyscrasia at birth

definition: History of delivering a Rhesis Isoimmunization affected child(ren) or a child(ren) with another blood disorder


display: Other Marker

definition: Site specific markers


display: Page Sent To

definition: Page sent to identified personnel or staff


display: Area Symmetry

definition: Symmetry of plaque (0 = complete asymmetry, 1 = complete symmetry); see Section T.2 "Definition of Diameter Symmetry with Arterial Plaques" in PS3.17


display: Start of thermal cardiac output bolus

definition: The first discernible blood temperature change following the injectate during a thermal cardiac output measurement


display: DateTime Concern Noted

definition: DateTime concern noted (noted by whom is determined by context of use)


display: Electrical failure

definition: Failure of a device to operate according to electrical design specifications


definition: Equation for estimated oxygen consumption: VO2 = 152 * BSA


display: Selected Region Description

definition: A textual description of the contents of a selected region identified within an image


display: For Litigation

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


display: Technical factors missing

definition: Image quality deficiency according to MQCM


display: Measured AP Dimension

definition: The thickness of the body part being scanned, in the antero-posterior dimension (per AAPM Report 204)


display: Mating Feature ID

definition: ID of the Mating Feature in a Mating Feature Set in an Implant Component


display: Volume rendering

definition: Values are derived by volume rendering of acquired data


display: Follow-up post biopsy as directed by clinician

definition: An indication that the patient should seek post procedural follow-up directives from a clinical health care provider


display: Calcified implant

definition: Fibrous or calcific contracture of the tissue capsule that forms around a breast prosthetic device


display: Glomerular Filtration Rate female (MDRD)

definition: The measurement method of the Glomerular Filtration Rate is female (MDRD)


display: 15cm from Isocenter toward Source

definition: 15cm from the isocenter towards the X-Ray source; See IEC 60601-2-43


display: Vasodilation

definition: Local or general increase in the width of visible pulmonary vessels resulting from increased pulmonary blood flow [Fraser and Pare]


display: Divide by zero

definition: Measurement not available: Divide by zero (per IEEE 754)


display: Diastolic blood velocity, mean

definition: Diastolic blood velocity, mean


display: Thorax diameter, sagittal

definition: Thorax diameter, sagittal


display: CC Not all medial tissue visualized


display: Degree of Freedom Exact Translational Value

definition: Defines the exact value that was planned for translation


display: Left Ventricle Mass by M-mode - adjusted by Height

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


display: Metabolic Volume

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)


display: Spatial Displacement Y Component

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


display: BN13 Pattern

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]


display: Fluoroscopy-Guided Projection Radiography System

definition: An integrated projection radiography system capable of fluoroscopy


display: Audit Recording Stopped

definition: Audit event: Audit recording has been stopped


code: OAM

display: Ophthalmic Axial Measurements

definition: Measurements of the axial length of the eye, which are done by various devices


display: Sonologist

definition: A medical practitioner with sub-specialty training in Ultrasound


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]


display: Complete Study Content

definition: The list of objects that constitute a study at the time that the list was created


display: A wave pressure, average

definition: The average of several A wave pressure measurements


display: Key Images

definition: List of references to images considered significant


display: Visual Field LVS Test Strategy

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


display: Equipment change

definition: Procedure step is discontinued to change to other equipment or modality


display: Visual Field 2-LT Test Strategy

definition: Two level screening test: Each test location is initially tested 6 dB brighter than the age corrected normal value


display: TG18-GA08 Pattern

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]


display: Irradiation Event UID

definition: Unique Identifier of an Irradiation Event


display: Acquisition Duration

definition: Duration of the acquisition of an image or a waveform


display: Vessel Branch

definition: The particular vessel branch, such as the inferior, medial or lateral


display: Performed Procedure Step SOP Class UID

definition: SOP Class UID of a Performed Procedure Step


display: Chest CAD Report

definition: A structured report containing the results of computer-aided detection or diagnosis applied to chest imaging and associated clinical information


display: Scope of Accumulation

definition: Entity over which dose accumulation values are integrated


display: Normal axillary node

definition: Axillary node that is normal in appearance with no associated pathology


display: Contrast of GLCM

definition: The sum of squares variance of a Gray Level Co-occurrence Matrix (GLCM). See http://www.fp.ucalgary.ca/mhallbey/equations.htm


display: Pharmacological Stress Agent Dose Rate

definition: Pharmacological Stress Agent Dose Rate


display: Emergency Override Stopped

definition: Audit event: Emergency Override has Stopped


display: Sample Volume Depth

definition: The depth of the center of the Doppler sample volume measured from skin line along the Doppler line


display: TG18-GA03 Pattern

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]


display: Time since start of stage

definition: Elapsed time at stage


display: T-4 Secondary

definition: 4th most severe stenosis within a vessel segment


display: Operator's narrative

definition: The voice of a device operator, recorded during a procedure


display: T2 Weighted MR Signal Intensity

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


display: Additional evaluation requested from prior study

definition: Prior study indicates that additional imaging be performed to further evaluate a suspicious or questionable anatomic region


display: Related Patient Data Not Used During Planning

definition: Reference to objects containing patient data that were not used for planning but are somehow related


display: Effective Dose Conversion Factor

definition: Effective Dose per DLP, reference value for Effective Dose calculation, expressed in mSv/mGY.cm


display: Needle in target

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


display: Mechanical beam steering

definition: Ultrasonic steering technique consisting of mechanically directing the beam


display: Fleischner's line(s)

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]


display: SUVibw

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


display: Retain UIDs Option

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


display: Long Axis Based

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


display: Nipple not in profile

definition: Image quality deficiency


display: Average X-Ray Tube Current

definition: Average X-Ray Tube Current averaged over time for pulse or for continuous Fluoroscopy


definition: The longitiudinal relaxation rate constant. The inverse of longitudinal relaxation time, i.e., R1 = 1/T1


display: Procedure Record

definition: Audit event: Procedure Record has been created, read, updated, or deleted


display: Colon Overall Assessment

definition: Overall interpretation of the colon using C-RADS categorization system


display: Object Security Attributes Changed

definition: Audit event: Security attributes of an object have been changed


display: Airway severely obstructed

definition: Airway severely obstructed


display: Current procedure evidence

definition: Analysis or measurements for current procedure (purpose of reference to evidence document)


display: IEC Head Dosimetry Phantom

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)


display: Undetermined sex

definition: Sex of subject undetermined at time of encoding


definition: Nominal 5 power objective lens, resulting in a digital image at approximately 2 um/pixel spacing


display: Source image for segmentation

definition: Image instances used as source data for a segmentation


display: Positioner Primary End Angle

definition: Positioner Primary Angle at the end of an irradiation event. For further definition see (112011, DCM, "Positioner Primary Angle")


display: Under exposed

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


display: Feature detected on only one of the images

definition: There is more than one image of the same modality in the interpreted data set


display: Haigis a1

definition: The "Haigis a1" constant used in IOL calculation


display: Blind Estimation of AIF

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


display: Thickening Analysis

definition: Analysis of myocardial wall thickening


display: Oxygen Extraction Fraction

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


display: Contrast Agent Angio MR Signal Intensity

definition: Signal intensity of a Contrast Agent Angio MR image


display: Circumscribed

definition: A shadow (opacity) possessing a complete or nearly complete visible border [Fraser and Pare]


display: HIS bundle wave

definition: The moment in the cardiac cycle when the HIS bundle nerves depolarize


display: Security Configuration

definition: Audit event: Security configuration has been changed


display: Cartilaginous and osseous change

definition: Tissue changes to bones and cartilage


code: MCD

display: Media Creation Device

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


display: Begin Oxygen Administration

definition: The action or event of beginning administration of oxygen to a patient


display: Time of flight

definition: Measures the time-of-flight of a light signal between the camera and the subject for each point of the image


display: BN01 Pattern

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]


display: Simultaneous Voice Narrative

definition: Reference is to a voice narrative recording acquired simultaneously with an image


display: Visual Field Full From Prior Test Strategy

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


display: Mean Attenuation Coefficient

definition: The value that is computed by dividing the sum of a set of X-Ray attenuation coefficients by the number of values


display: Adenolipoma

definition: A benign tumor having glandular characteristics but composed of fat, with the presence of normal mammary ducts


display: TG18-LN12-12 Pattern

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


display: Juvenile papillomatosis

definition: A form of fibrocystic disease in young woman with florid and sclerosing adenosis that microscopically may suggest carcinoma


display: Breast background echotexture

definition: Tissue composition of the breast noted on sonography


display: Requesting

definition: The person responsible for requesting the procedure


display: End diastole

definition: The moment at the end of the diastolic phase of the cardiac cycle


display: Iterative Closest Point

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


display: Unsharp mask

definition: Values are derived by unsharp masking


display: Herniated implant

definition: Protrusion of part of the structure normally encapsulating the content of the breast prosthetic device


display: Perfusion analysis by Susceptibility MR technique

definition: Perfusion analysis by Susceptibility (T2*) MR technique


display: Image Laterality

definition: Laterality of (possibly paired) body part contained in an image


display: URI

definition: URI Identifier for network or other resource, see RFC 3968


display: Skin Condition Dry

definition: Skin Condition Dry


display: Intraductal carcinoma, low grade

definition: A non-invasive carcinoma restricted to the glandular lumen characterized by less aggressive malignant cytologic features and behavior


display: Stent Diameter Ratio

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


display: Right Hemisphere Most Posterior

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


display: Chest tube

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


display: Inferior To Anterior

definition: Orientation of a spatial dimension where increasing values run from the inferior to the anterior


display: Diameter Based Method

definition: Diameter Based Method for estimating volume, area or diameter


display: Catheterization Procedure Phase

definition: A subpart of a cardiac catheterization procedure


display: R-Coefficient

definition: Correlation Coefficient, r


display: Diameter Graph

definition: Ordered set of diameters values derived from contours (direction proximal to distal)


display: Nominal Total Collimation Width

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


display: Mass with calcifications

definition: A radiopaque density noted during diagnostic imaging that has associated calcific densities


display: Discontinued for unspecified reason

definition: Procedure discontinued for unspecified reason


display: Posterior junction line

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]


display: Skin Condition Cold

definition: Skin Condition Cold


display: DLP Forward Estimate

definition: A forward estimate of the DLP for the next Protocol Element Group; see NEMA XR 25-2010 Dose Check Standard


display: Inter-Marker Distance

definition: Distance between marks on a device of calibrated size; e.g. a ruler


display: DateTime Started

definition: The date and time of the first occurrence of an event, such as the first use of a medication


display: TG18-LN12-13 Pattern

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


display: Homogeneous (uniform opacity)

definition: Of uniform opacity or texture throughout [Fraser and Pare]


display: First mammogram ever

definition: First mammogram taken for a patient without regard to whether it was for screening or a diagnostic procedure


display: BMI = Wt / Ht ^ 2

definition: Body Mass Index computed from weight and height: BMI = Wt/Ht^2


display: Supplementary Data

definition: Concept name for a collection of supporting evidence for a report


display: Signal Time to Peak

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


display: Distribution Descriptor

definition: Characteristic of the extent of spreading of a finding or feature


display: Benign cyst with blood

definition: Cyst with benign morphology containing blood


display: Peripheral-nasal

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


display: Glomerular Filtration Rate non-black (MDRD)

definition: The measurement method of the Glomerular Filtration Rate is non-black MDRD


display: Application Launcher

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

valueset: participation-role-type


display: Spectroscopy Data for Water Phase Correction

definition: MR spectroscopy data acquired to correct the phase of the diagnostic data for the phase signal of the Water


display: ACR Accreditation Phantom - PET

definition: A phantom acceptable for the ACR PET Accreditation program (but not for SPECT)


display: Calibration Uncertainty

definition: Uncertainty of the 'actual' value


display: Continuous

definition: Continuous X-Ray radiation is applied during an irradiation event


display: Imaging Measurements

definition: Measurements made on images


display: Oligemia

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]


display: IRIG-B timecode

definition: A signal transmitted by the Inter-Range Instrumentation Group for the purpose of synchronizing time clocks


display: Radiation applied

definition: Radiation applied


display: Coin

definition: A non-lesion object that appears to be a flat round piece of metal


display: End Pacing

definition: The action or event of ending pacing support for a patient


display: Double Product

definition: Heart rate times systolic blood pressure


display: Grayscale resolution evaluation

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]


display: Corneal wavefront map

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


display: Lactational change

definition: Changes related to the process of lactation


display: Pixel Data Columns

definition: Number of columns in the pixel data of the image


display: Visual Field Full Threshold Test Strategy

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


display: Personal history of breast cancer with breast conservation therapy

definition: Patient has had a prior surgery such as a lumpectomy or quadrantectomy to remove malignant breast tissue, but breast tissue remains


display: RT Patient Position Acquisition, CT kV

definition: Acquisition of patient positioning information prior to treatment delivery, using kilovoltage CT imaging


display: Isoechoic

definition: Having the same echogenicity as fat (a complicated cyst or fibroadenoma may be isoechoic or hypoechoic)


display: Guidewire crossing lesion unsuccessful

definition: Guidewire crossing lesion unsuccessful


display: Sampling Method

definition: Method of sampling used to derive specimen from its parent


display: Focused grid

definition: An X-Ray Grid with radiation absorbing strips that are focused toward the focal spot, to eliminate grid cutoff


display: TG18-LPV10 Pattern

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]


display: Start Procedure Action Item

definition: Beginning of a step, action, or phase of a procedure


display: Plane scan pattern

definition: Ultrasound transducer scan pattern in which information is gathered within a plane


display: Reticulonodular pattern

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]


display: Teichholz

definition: Method (formula) for calculating left ventricle volumes and function derivatives (EF, SV, SI, etc.) Volume = [7.0/(2.4+D) ]*D3


display: TG18-MM2 Image

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


display: Abnormal lucency

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


display: Computer Aided Diagnosis

definition: Computer aided diagnosis work item


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)


display: Gross Specimen Imaging

definition: Procedure step protocol for imaging gross specimens, typically with a photographic camera (modality XC), and planning further dissection


display: RT Patient Position Acquisition, Spatial Fiducials

definition: Acquisition of patient positioning information prior to treatment delivery, using spatial fiducials


display: Image Orientation (Patient) Column Z

definition: The z value of the first column direction cosine with respect to the patient, with respect to the patient-based coordinate system


display: TG18-LN8-03 Pattern

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


display: Visual Field 2LT-Normal Test Strategy

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


display: Family Member with Risk Factor

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


display: SUVbsa

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


display: Sewing

definition: Fixation sewing several objects together


display: Glutamate and glutamine

definition: For single-proton MR spectroscopy, the resonance peak corresponding to glutamate and glutamine


definition: A Zr 89 cG250-F(ab')(2) PET Radiotracer


display: Certainty of Feature

definition: The likelihood that the feature analyzed is in fact the type of feature identified


display: Field Map MR Signal Intensity

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


display: Visual Field Normal Test Strategy

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


display: Add Other

definition: Refractive measurements of the eye to correct for inability to focus at the specified distance while wearing the distance prescription


display: Reason for Proceeding

definition: Reason provided for proceeding with a procedure that is projected to exceed a configured dose value


display: Galactocele

definition: Retention cyst caused by occlusion of a lactiferous duct


display: No corneal compensation

definition: No compensation algorithm for corneal birefringence


display: Procedure DateTime

definition: The date and time on which a procedure was performed on a patient


display: Occult carcinoma presenting with axillary lymph node metastases

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


display: ICRP Pub 103

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)


display: Total Pulmonary Resistance

definition: Total Pulmonary Resistance


display: Recommended Follow-up Date

definition: Recommended follow-up date to an imaging procedure, based on interpreted results


display: Graft to cited segment, mid section

definition: Anatomic term modifier indicating mid section of graft to cited vessel is the subject of the finding


display: Death During This Admission

definition: Indication that the patient died during the current hospital admission


display: Borg CR10 Scale

definition: Borg category ratio scale, open ended range with nominal range 0:10


code: RTDOSE

display: Radiotherapy Dose

definition: Radiotherapy Dose


display: Visual Field GATE Test Strategy

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


display: Indicated Problem

definition: A symptom experienced by a patient that is used as the reason for performing an exam or procedure


display: Processing Equipment

definition: Equipment that has processed composite instances to create new composite instances; e.g. a 3D Workstation


display: Total Lesion Glycolysis

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"


display: Preliminary report

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


display: Finding

definition: An observation found on an imaging study


display: Canadian Kennel Club

definition: Canadian Kennel Club


display: Hiatus

definition: A gap or passage through an anatomical part or organ; especially : a gap through which another part or organ passes


display: RT Patient Position Registration, Spatial Fiducials

definition: Registration of intended and actual patient position prior to treatment delivery, using spatial fiducials


display: Radiopharmaceutical

definition: Active ingredient (molecular) used for radioactive tracing


display: LDL Cholesterol Score Sheet for Women

definition: Framingham Study LDL Cholesterol Score Sheet for Women


display: Site involvement

definition: The part(s) of the anatomy affected or encompassed by a finding or feature


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]


display: X-Ray Modulation Type

definition: The type of exposure modulation used for the purpose of limiting the dose


display: Curve Fit Method

definition: The method to smooth a ventricular volume as a function of time


display: Time Point Type

definition: A pre-defined type of a specific time point in a continuum


display: Luminance uniformity evaluation

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


display: Hemodynamic Resistance Index

definition: Hemodynamic Resistance Index


display: RT Patient Position Acquisition, Optical

definition: Acquisition of patient positioning information prior to treatment delivery, using optical imaging


display: LAD Region in RAO Projection

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]


display: Collimated Field Area

definition: Collimated field area at image receptor. Area for compatibility with IEC 60601-2-43


display: Calcification Distribution

definition: The type of distribution associated with detected calcifications


display: Calibration

definition: Procedure used to calibrate measurements or measurement devices


display: Threshold Attenuation Coefficient

definition: An X-Ray attenuation coefficient that is used as a threshold; e.g. in calcium scoring


display: Ventricular Systolic blood pressure

definition: Ventricular Systolic blood pressure


display: USB Disk Emulation

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


display: Systemic Flow

definition: Rate of blood flow through the aorta


display: Physiological challenges

definition: Physical changes administered to a patient in order to elicit an physiological response


display: Measurement not attempted

definition: Measurement not available: Measurement not attempted


display: RT Treatment QA with Internal Verification

definition: Quality assurance of a radiotherapy treatment delivery using verification integral to the Treatment Delivery System


display: Drug administered

definition: Identifier of Drug administered as part of procedure


display: Device Observer Serial Number

definition: Manufacturer-provided serial number of automated device that created the observations


code: IO

display: Intra-oral Radiography

definition: Intra-oral Radiography device


display: Device Subject Name

definition: Name or other identifier of a device that is the subject of observations


display: Overall Assessment

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


display: Entire Pullback

definition: Measurement region that encompasses the entire vessel imaged in a single pullback acquisition


display: Detection Performed

definition: The type of finding sought after by a specific algorithm applied to one image


display: Person Role in Organization

definition: The role played by a person in an organization


display: Radionuclide Syringe Counts

definition: Pre-injection syringe acquisition count rate


display: Canadian Livestock Records Association

definition: Canadian Livestock Records Association


display: Mean CTDIvol

definition: "Mean CTDIvol" refers to the average value of the CTDIvol associated with this acquisition


display: Mass of breast

definition: The mass of the breast


display: Degree of Thrombus

definition: Finding of probability and/or severity of thrombus


display: Tissue Velocity

definition: Velocity of tissue based on Doppler measurements


display: Scope of Feature

definition: An indication of how widespread the detection of a feature is within the analyzed image data set


display: Anatomical axis of femur

definition: The axis following the shaft of the femur


display: Patient informed consent given

definition: Patient informed consent given


display: Intimal Dissection

definition: Dissection limited to the intima or atheroma, and not extending to the media


display: Surgical consult

definition: Referred for evaluation by a surgeon


display: Entrance exposure to a 4.2 cm breast thickness

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)


display: Habitual Visual Acuity

definition: A patient's vision with whichever vision correction the patient customarily wears


display: Other failure

definition: Failure that is not mechanical or electrical or otherwise described


display: False Markers per Case

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


display: Single Plane

definition: Single plane acquisition equipment


display: TG18-LN8-07 Pattern

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


display: Package Insert

definition: Reference authority The reported organ dose is based on radiopharmaceutical's package insert


display: Macrocalcifications

definition: Coarse calcifications that are 0.5 mm or greater in size


display: Invasive lobular carcinoma

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


display: Simultaneously Acquired

definition: The referenced information was acquired simultaneously with the information in the object in which the reference occurs


display: Relative Anisotropy

definition: Coefficient reflecting the relative anisotropy of the tissues, derived from a diffusion weighted MR image


display: DICOM Instances Accessed

definition: Audit event: DICOM Instances have been created, read, updated, or deleted


definition: Coefficient of determination, R2. An indication of goodness of fit


display: CTDIw Phantom Type

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)


display: Position of Distal Border

definition: Position of distal border of segment relative to the contour start (proximal end of analysis area)


display: Assembly

definition: A collection of Component Connections of Implant Components


display: Vessel Lumen Cross-Sectional Area

definition: Calculated Vessel Lumen Cross-Sectional Area based on the referenced method


display: Injectate Temperature

definition: Injectate Temperature


display: Left Ventricle Mass by Truncated Ellipse - adjusted by Height

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


display: Suspend Procedure Action Item

definition: Suspension of a step, action, or phase of a procedure


display: Tubular shadow

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]


display: Left Hemisphere Most Superior

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


display: RECIST 1.0

definition: Response Evaluation Criteria in Solid Tumors version 1.0. See [RECIST] in Normative References


display: Biometry Group

definition: Biometric assessment of


display: Target content items are related spatially

definition: The associated content items are identified as being the same finding or feature on different projections taken at the same point in time


display: Inter-Hemispheric Plane

definition: A plane fiducial that specifies the location of the plane separating the two hemispheres of the brain


display: Refractive Measurements SOP Instance

definition: Refractive Measurements DICOM SOP Instance


display: Qualitative Difference

definition: A qualitative characteristic of a feature that has changed over time


display: BN15 Pattern

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]


display: Visual Field 1-LT Test Strategy

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


display: Correlates to other imaging findings

definition: An indication that the current imaging finding relates to a finding from an imaging exam


display: Kidney stent

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


display: Network Entry

definition: Audit event: System has joined or left network


display: Fluoro Dose (RP) Total

definition: Dose applied in Fluoroscopy Modes, related to Reference Point (RP). (in the scope of the including report)


display: BN14 Pattern

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]


display: Corneal birefringence compensation

definition: Algorithm to compensate for variability in corneal birefringence


display: Correlates to ultrasound findings

definition: An indication that the current imaging finding relates to a finding from a breast ultrasound exam


definition: Estimate of Oxygen partial pressure at 50% saturation for infants less than 1 day old: P50 = 21.6


display: Elliptic

definition: Shaped like an ellipse (oval)


display: TG18-LN12-01 Pattern

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


display: Shape from motion

definition: A technique for estimating the surface normal of an object by observing that object under different motions


display: Remote Service Operation Started

definition: Audit event: Remote Service Operation has Begun


display: Equation

definition: Formula used to compute a derived measurement


display: TG18-RV10 Pattern

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]


display: Equipment failure

definition: Equipment failure


display: Corneal elevation map

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


display: PET Myocardial Viability, Rest only

definition: Positron Emission Tomography Myocardial Viability procedure, rest only


display: Peak of thermal cardiac output bolus

definition: The peak change in blood temperature during a thermal cardiac output measurement


display: Kerley B line

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]


display: Mask image for image processing operation

definition: Image used as the mask for an image processing operation, such as subtraction


display: Non-Target Lesion at Baseline

definition: Flag denoting that this lesion was not identified, at baseline, as a target lesion, and was not intended for tracking over time [RECIST]


display: Metabolite Maps from spectroscopy data

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)


display: Peripheral-superior nasal

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


code: PRINT

display: Hard Copy Print Server

definition: Hard Copy Print Server; includes printers with embedded DICOM print server


display: Size Descriptor

definition: A qualitative descriptor for the extent of a finding or feature


display: Mid-peripheral-inferior temporal

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


display: Regional Abnormal Wall Motion

definition: Report of differentiation of wall motion compared to normal


display: Reference Points

definition: Container for spatial locations or coordinates used for calculation


display: Distance Source to Detector

definition: Measured or calculated distance from the X-Ray source to the detector plane in the center of the beam


display: Individual Impression/Recommendation

definition: A container for a group of related results from interpretation of one or more images and associated clinical information


display: Pulse train definition

definition: A means of defining a series of cardiac stimulation pulses


display: Radiopharmaceutical Radiation Dose Report

definition: The procedure report is a Radiopharmaceutical Radiation Dose report


display: Calcium

definition: Material having X-Ray attenuation properties similar to calcium, a silver-white bivalent metallic element occurring in plants and animals


definition: Number of lesion interventions attempted during current procedure


display: Peak activity workload

definition: Peak physical activity intensity measurement during course of procedure


display: ve

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


display: Hemostasis not achieved - actively bleeding


display: Silhouette sign

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]


display: Number of Images Used for Macular Measurements

definition: Number of images used for the macular grid measurement


display: Visual Field Two-Zone Test Strategy

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"


display: International Progressive Dog Breeders' Alliance


display: Vascularity present in lesion

definition: Vascularity on imaging is seen within a lesion


display: American Canine Association

definition: American Canine Association


display: Scapular Infraspinatus Fossa

definition: The portion of the dorsal surface of the scapula below the scapular spine


display: ACR Accreditation Phantom - MR

definition: A phantom acceptable for the ACR Magnetic Resonance Imaging Accreditation program


definition: The intial area under the contrast agent concentration-time curve at 60 seconds after the onset time


display: NM transmission attenuation correction

definition: NM transmission attenuation correction


display: Left Hemisphere Most Posterior

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


display: Animal Research Foundation

definition: Animal Research Foundation


display: Discontinued Procedure Step rescheduled

definition: A new Procedure Step has been scheduled to replace the Discontinued Procedure Step


display: Universal Kennel Club International

definition: Universal Kennel Club International


display: Implant finding

definition: Concept name for the status of a breast prosthetic device as noted by imaging


display: Single luminance

definition: Mode for determining the starting luminance for screening test points - in this case, all starting luminance is set to the same value


display: BN18 Pattern

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]


display: Severity of Complication

definition: An indicator of the gravity of a problem experienced by a patient, related to a procedure that was performed