display: EEM Diameter

definition: External Elastic Membrane (EEM) diameter measured through the center point of the vessel. Center point of the vessel is defined as the center of gravity of the EEM area. The EEM is a discrete interface at the border between the media and the adventitia


display: Multifocal invasive ductal carcinoma

definition: Multiple sites of ductal carcinoma

resourceType: Concept


display: Ventricular Analysis

definition: Ventricular Analysis


display: Illustration of Finding

definition: An image that is a pictorial representation of findings. The concept is typically used as a purpose of reference to an image, such as a depiction of myocardium segments depicting wall motion function


display: Superolateral to inferomedial

definition: The line within the anatomy from the upper outer to the lower inner aspect; e.g. through which a needle or instrument passes in an interventional procedure


display: Relevant Patient Information for Breast Imaging

definition: Historical patient health information of interest to the breast health clinician


display: TG18-LN8-06 Pattern

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


display: Composite Feature

definition: An item that is an inferred correlation relating two or more individual findings or features


display: Fetus Summary

definition: Report section for fetus specific procedure summary observations


display: Crosstable

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


display: Thickness deviation from normative data

definition: Ophthalmic Thickness map based upon deviation (such as microns) from a normative data set


display: X-Ray Radiation Dose Report

definition: X-Ray Radiation Dose Report


display: Volume of parenchymal tissue

definition: The volume of parenchymal tissue


display: Graph Increment

definition: Increment value along X-axis in Diameter Graph


display: CAD Operating Point Description

definition: The intended interpretation of a CAD Operating Point


display: Maximum pressure acceleration

definition: Maximum pressure acceleration


display: T-2 Secondary

definition: 2nd most severe stenosis within a vessel segment


display: Total internal reflection fluorescence

definition: Total internal reflection fluorescence method for specimen microscopy


display: RT Patient Position Adjustment

definition: Adjustment of patient position such that the patient is correctly positioned for treatment


display: Distance from nipple

definition: Indicates the location of the area of interest as measured from the nipple of the breast


display: Signal to Noise

definition: Values are derived by calculating the signal to noise ratio


display: Single Image Finding

definition: An item that was detected on one image


display: Analysis Quality Rating

definition: A numeric rating of the quality of the entire analysis with respect to grading and diagnostic purposes. Higher numbers indicate greater quality


display: Carcinoma with endocrine differentiation

definition: A carcinoma that synthesizes substances, including hormones, not considered to be normal products of the breast


display: Calibration Method

definition: Method used for Calibration


display: Images related to standalone object

definition: Image related to a non-image information object


display: Parent Vessel Finding

definition: Finding about the characteristics of the parent vessel of a vessel


display: Protocol Time Point Identifier

definition: An identifier of a specific time point in a continuum, which is unique within an appropriate local context (such as an entire organization, system or treatment protocol), which identifies the time point "slot" within a treatment protocol using the same value for all patients in the protocol


display: Positioning

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


display: Ventricular pressure measurements

definition: Ventricular pressure measurements, report section


display: Differential Diagnosis/Impression

definition: A general change that occurred within an imaged area between a prior imaging procedure and the current imaging procedure


definition: Nominal 10 power objective lens, resulting in a digital image at approximately 1 um/pixel spacing


display: TG18-LN12-03 Pattern

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


display: Left Atrial ED Volume

definition: Left Atrial End Diastolic Volume


display: Linear

definition: A shadow resembling a line; any elongated opacity of approximately uniform width [Fraser and Pare]


display: Personal history of breast cancer with mastectomy

definition: Patient has previous diagnosis of breast cancer resulting in mastectomy


display: Family history, fetal malformation/syndrome

definition: Biological relatives have previously conceived a fetus with an anatomic abnormality(s)


display: CTDIfreeair Calculation Factor

definition: The CTDIfreeair Calculation Factor is the CTDIfreeair per mAs, expressed in units of mGy/mAs. The CTDIfreeair Calculation Factor may be used in one method calculating Dose


display: 30cm in Front of Image Input Surface

definition: 30cm in front (towards the tube) of the input surface of the image receptor; See FDA Federal Performance Standard for Diagnostic X-Ray Systems §1020.32(d) (7)


display: Standardized Added Metabolic Activity (SAM)

definition: A background-corrected, partial volume independent version of TLG. SAM is calculated by drawing a volume of interest (VOI1) around the tumour and a larger VOI (VOI2) around VOI1. Subtracting the background activity in VOI2-VOI1 from VOI1 yields SAM. See Mertens et al. "Standardized added metabolic activity (SAM): a partial volume independent marker of total lesion glycolysis in liver metastases". Eur J Nucl Med Mol Imaging (2012) 39:1441-1448


display: False Lumen

definition: A channel, usually parallel to the true lumen, which does not communicate with the true lumen over a portion of its length


display: Stage 0

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


display: X-Ray Source Data Available

definition: Parameters related to the X-Ray source (generator, tube, etc.) are available to the recording application


display: Visual Field Optima Test Strategy

definition: Similar to FastPac except that the steps are pseudo-dynamic (differ based on the intensity of the last presentation)


display: Intraluminal filling defect

definition: An abnormality observed during ductography where the ductal system within the breast fills in an abnormal pattern. Ductography is an imaging exam in which a radio opaque contrast media is introduced into the ductal system of the breast through the nipple and images of the ductal system are obtained


display: Voltage measurement by basket catheter

definition: Electrophysiological signals acquired using a multi-splined catheter each equipped with multiple electrodes


display: 4 Point Segment Finding Scale

definition: A four point, echocardiographic numeric scoring scheme of myocardium segments based on evaluation of wall motion and ventricle morphology. Recommendations for Quantitation of the Left Ventricle by Two-Dimensional Echocardiography, Journal of the American Society of Echocardiography, 2:358-367, 1989


display: Fiducial mark

definition: A location in image space, which may or may not correspond to an anatomical reference, which is often used for registering data sets


code: SMR

display: Stereometric Relationship

definition: Stereometric image pairing modality


display: Person ID

definition: An identification number or code for a specific person


display: CK-MB baseline

definition: Creatine Kinase-MB value at baseline (start of procedure)


display: Relevant Previous Procedures

definition: Interventional or non-interventional procedures previously performed on the patient, such as breast biopsies


display: Non-Lesion at Baseline

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


display: Incorrect side ordered

definition: Procedure discontinued due to incorrect side (laterality) being ordered


display: Response Evaluation Method

definition: The system applied in the reporting of response evaluation for treatment of solid tumors


display: Centrilobular structures

definition: The pulmonary artery and its immediate branches in a secondary lobule; HRCT depicts these vessels in certain cases; a.k.a. core structures or lobular core structures [Fraser and Pare]


code: DSS

display: Department System Scheduler

definition: Department System Scheduler, workflow manager; includes RIS


definition: Estimate of Oxygen partial pressure at 50% saturation for patients less than 40 years old: P50 = 27.4


display: Complications

definition: Complications from a procedure


display: Pacing (electrical) stimulus, voltage

definition: The voltage stimulus during cardiac pacing


definition: Values are derived by calculating T1 values


display: TG18-LPH89 Pattern

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


display: Neurofibromatosis

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


display: Volume Based Method

definition: Volume Based Method for estimating volume


display: Perfusion analysis by Stable Xenon CT technique


display: Cardiovascular Analysis Report

definition: Report of a Cardiovascular Analysis, typically from a CT or MR study


display: Framingham QTc Algorithm

definition: Framingham QT Correction Algorithm; QT + 0.154 (1- RR); Sagie A, Larson MG, Goldberg RJ, et al. "An improved method for adjusting the QT interval for heart rate (the Framingham Heart Study)." Am J Cardiol70:797-801(1992)


display: Specimen storage

definition: A workflow step, during which tissue specimens are stored in a climate-controlled environment


display: Hyper-acute

definition: Extremely or excessively acute, as a qualitative measure of severity


code: LS

display: Laser surface scan

definition: Laser surface scan device


display: Audit Recording Started

definition: Audit event: Audit recording has been started


display: Restenotic Lesion

definition: A finding of a previously treated lesion in which stenosis has reoccurred


display: Real World Value Map used for measurement

definition: A reference to the Real World Value Map applied to the stored image pixel values before their use for a measurement


display: Image Position (Patient) Z

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


display: Biplane Ellipse

definition: Area = P/4 X d1 X d2 d1 = anterior/posterior axis d2 = medial/lateral axis Hagen-Ansert, Sandra L., Textbook of Diagnostic Ultrasound, ed. 3, The C.V.Mosby Co., 1989, p. 73.


display: Mammography Quality Control Manual 1999, ACR

definition: An image quality control standard specified by the American College of Radiology


display: Clean Descriptors Option

definition: Additional de-identification according to an option defined in PS3.15 that requires that any information that is embedded in text or string Attributes corresponding to the Attribute information specified to be removed by the Profile and any other Options specified also be removed


display: Detector artifact(s)

definition: Superposed features or flaws of the detector


display: Soft tissue

definition: Material having X-Ray attenuation properties similar to muscle


display: Reinjection State

definition: Imaging after injection of additional tracer under resting conditions


display: RT Treatment with External Verification

definition: Radiotherapy treatment delivery using verification by an external Machine Parameter Verifier


display: Net Forward Volume

definition: Forward volume-reverse volume


display: Location of Specimen X offset

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


display: Kurtosis

definition: Measure of the peakedness of the probability distribution of a real-valued random variable


code: RG

display: Radiographic imaging

definition: Radiographic imaging (conventional film/screen)


display: Signal Increase Start Time

definition: This is the time at which the signal begins to increase


display: Breast composition

definition: Assessment of annotating tissues in breast; generally including fatty, mixed or dense


code: DF

display: Digital fluoroscopy

definition: Digital fluoroscopy


display: Vascular Intervention

definition: Vascular Intervention


display: Pre-procedure log

definition: Log of events occurring prior to the current procedure


display: Pleonemia

definition: Increased blood flow to the lungs or a portion thereof, manifested by a general or local increase in the width of visible pulmonary vessels [Fraser and Pare]


display: Algorithm Name

definition: The name assigned by a manufacturer to a specific software algorithm


display: TG18-RV89 Pattern

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


display: Baseline Stenosis Measurement

definition: Lesion stenosis measured prior to any interventional procedure


display: Plaque Rupture

definition: Plaque ulceration with a tear detected in a fibrous cap


display: Infusate start

definition: Identifier of Infusate whose administration has started


display: ACD Constant

definition: The "ACD Constant" used in IOL calculation


display: Septum-Wall Axis

definition: A spatial dimension axis running along a line between the septum and wall of a chamber


display: User Authentication

definition: Audit event: User Authentication has been attempted


display: Assessment Category

definition: Assignment of intermediate or overall interpretation results to a general category


display: Description of Material

definition: Description of Material used in a procedure


display: Successful Detections

definition: A group of detection algorithms that were attempted and completed successfully


code: DG

display: Diaphanography

definition: Diaphanography device


display: Start of contrast agent administration

definition: Onset of contrast agent administration


display: TG18-KN Image

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


display: Dependent opacity

definition: Subpleural increased attenuation in dependent lung. The increased attenuation disappears when the region of lung is nondependent; a.k.a. dependent increased attenuation [Fraser and Pare]


display: Disc-macula centered

definition: An image of at least 15° angular subtend centered midway between the disc and macula and containing at least a portion of the disc and both the disc and the macula; see Section U.1.8 "Relative Image Position Definitions" in PS3.17


display: Pixel faults evaluation

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


display: TG18-GA05 Pattern

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


display: Near Pupillary Distance

definition: Distance in mm between the pupils when the patient's object of regard is at near


display: Age at Occurrence

definition: The age at which an individual experienced a specific event, such as breast cancer


display: Procedure Note

definition: General procedural note


display: Peripheral-superior

definition: An image of at least 15° angular subtend positioned between the equator and the ora serrata, and spanning both the superior temporal and superior nasal quadrants of the fundus; see Section U.1.8 "Relative Image Position Definitions" in PS3.17


display: Waveform Acquired

definition: Event of the acquisition of an image


display: Z-Score of measurement

definition: Z-score of an observation value with respect a reference population, expressed as the dimensionless quantity (x-m) /s, where (x-m) is the deviation of the observation value (x) from the population mean (m), and s is the standard deviation of the population


display: Procedure Environmental Characteristics

definition: Environmental characteristics in the procedure room


display: Metastatic melanoma to the breast

definition: A malignant lesion in the breast with morphologic patterns not typical of breast carcinoma arising from a melanoma


display: Modifying Equipment

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


display: Number of X-Ray Sources

definition: Number of X-Ray sources


display: Air bronchiologram

definition: Equivalent of air bronchogram, but in airways assumed to be bronchioles because of peripheral location and diameter [Fraser and Pare]


definition: Estimate of Oxygen partial pressure at 50% saturation for patients less than 18 years old: P50 = 27.2


display: Radiopharmaceutical Start Time

definition: Time of radiopharmaceutical administration to the patient for imaging purposes


display: Integrated Projection Radiography System

definition: A projection radiography system where the X-Ray detector, X-Ray Source and gantry components are integrated and the managing system is able to access details of each component


display: Irradiation Event Type

definition: Denotes the type of irradiation event recorded


display: Infusate end

definition: Identifier of Infusate whose administration has ended


display: Most recent value chosen

definition: Observation value is the recently obtained, and has been selected for further processing or use


display: Top Z Location of Scanning Length

definition: The Z location that is the top (highest Z value) of the scanning length. Specified as the Z component within the Patient Coordinate System defined by a specified Frame of Reference


display: Intraductal carcinoma, high grade

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


display: Generic 3D Planning

definition: Planning by an unspecified 3D method


display: Radiopharmaceutical Dispense Unit Identifier

definition: The human readable identification of the specific radiopharmaceutical dispensed quantity or dose ("dose" as unit of medication delivery, not radiation dose measure) to be administered to the patient


display: Scapular Spine

definition: A sloping ridge dividing the dorsal surface of the scapula into the supraspinatous fossa (above), and the infraspinatous fossa (below)


display: Flash doesn't include cassette/screen/detector identification

definition: Image quality deficiency according to MQCM


display: Rate of administration

definition: Rate of Drug, Contrast agent, or Infusate administration


display: DICOM Instances Transferred

definition: Audit event: Storage of DICOM Instances has been completed


code: OT

display: Other Modality

definition: Other Modality device


display: Boothby table

definition: Boothby table for estimated oxygen consumption


display: Back Of Cornea To Front Of Lens

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


display: Rib Scalene Tubercle

definition: A small rounded elevation or eminence on the first rib for the attachment of the scalenus anterior


display: Image Interval

definition: The time delta between images in a dynamic set of images


display: Regional Blood Volume

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


display: Prescription Visual Acuity

definition: A patient's vision with the final spectacle prescription in place


display: GD Pattern

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


display: Percutaneous Entry Action

definition: Action of a clinical professional at the site of percutaneous access to a patient's cardiovascular system


display: Flash doesn't include patient name and additional patient id


display: Subject Birth Date

definition: Birth Date of patient who is the subject of observations


display: Inhomogeneous

definition: Lack of homogeneity in opacity or texture


display: BRCA1 breast cancer gene

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


display: RT Patient Position Acquisition, dual plane kV/MV

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


display: All algorithms succeeded; with findings

definition: One or more findings resulted upon successful completion of all attempted computer-aided detection and/or analysis


display: Laser scanning

definition: Laser scanning describes the general method to sample or scan a surface using laser technology


display: Time interval since injection of contrast media


display: Difference in border shape

definition: A change in the shape formed by the boundary or edges of a finding or feature


display: Patient pregnant

definition: Procedure discontinued due to patient pregnancy (reported or determined)


display: DLP Front Projection System

definition: A Display Device that projects images on a surface from in front using a Digital Light Processing Projector


display: Niobium or Niobium compound

definition: Material containing Niobium or a Niobium compound


display: Language of Content Item and Descendants

definition: The language of the current content item (node in a tree of content) and all its descendants


display: TG18-LN8-16 Pattern

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


display: Left Ventricle Mass by Truncated Ellipse

definition: Mass = 1.05P ((b + t)2 X (2/3 (a + t) + d - d3 /3(a + t)2) - b2 (2/3a + d - d3 /3a2)) a = Semi-major axis from widest minor axis radius to apex. b = Short axis radius calculated from short axis cavity area t = Myocardial thickness calculated from short axis epicardial and cavity areas d = Truncated semi-major axis from widest short axis diameter to plane of mitral annulus. Mass unit is grams and length in cm. Schiller NB et al: Recommendations for quantification of the left ventricle by two-dimensional echocardiography, American Society of Echocardiography 2:364, 1989.


display: BN12 Pattern

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


display: Needle Length

definition: Distance from the hub or bushing to the tip of the needle


display: Average calcification distance in a calcification cluster

definition: The average nearest neighbor distance of all individual microcalcifications in a cluster


display: Pitch Factor

definition: For Spiral scanning: Pitch Factor = (Table Feed per Rotation (mm)) /(Nominal Total Collimation Width (mm)) For Sequenced scanning: Pitch Factor = (Table Feed per single Sequenced scan (mm)) /(Nominal Total Collimation Width (mm))


display: Post-Intervention TIMI Flow

definition: Assessment of perfusion across a coronary lesion measured after an interventional procedure


display: Perfusion analysis by IV Iodinated Contrast CT technique


code: RTRECORD

display: Radiotherapy Treatment Record

definition: Radiotherapy Treatment Record


display: Patient died

definition: Procedure discontinued due to death of Patient


display: Femoral Head Ball Component

definition: Component for Femoral Head Prosthesis where the conic intake for the stem neck can be exchanged. Combined with a Femoral Head Cone Taper Component


display: All Planes

definition: All planes of a multi-plane acquisition equipment


display: Service Delivery Location

definition: Place at which healthcare services may be provided


display: Mammography CAD

definition: Computer aided detection and/or computer aided diagnosis for mammography


display: Invasive and in-situ carcinoma

definition: Carcinoma with both characteristics of localized and spreading disease


display: Invasive cribriform carcinoma

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


code: PT

display: Positron emission tomography

definition: Positron emission tomography (PET) device


display: OSEM algorithm

definition: Ordered subsets expectation maximization reconstruction algorithm


display: Processing type

definition: Type of processing that tissue specimen underwent


display: Valve open

definition: The moment at which a heart valve opens


display: Densitometric Luminal Cross-sectional Area Graph

definition: Ordered set of cross-sectional Vessel Lumen Cross-Sectional Area values derived from contours (direction proximal to distal) based on densitometric method


display: Air-fluid level

definition: A local collection of gas and liquid that, when traversed by a horizontal X-Ray beam, creates a shadow characterized by a sharp horizontal interface between gas density above and liquid density below [Fraser and Pare]


display: Mass on the skin

definition: An abnormality noted at imaging on the epidermis of the breast


display: Curved linear ultrasound transducer geometry

definition: Ultrasonic transducer geometry characterized by radial lines normal to the outside of a curved surface


display: Inappropriate image processing

definition: Images processed inappropriately, not following appropriate protocol


display: Clean Graphics Option

definition: Additional de-identification according to an option defined in PS3.15 that requires that any information encoded in graphics, text annotations or overlays corresponding to the Attribute information specified to be removed by the Profile and any other Options specified also be removed


display: Specimen

definition: Specimen is the subject of observations


display: Irradiation Event X-Ray Data

definition: X-Ray dose data for a single Irradiation Event


display: Consumable unusable

definition: Identifier of Consumable determined to be unusable


display: Transmit Frequency

definition: Transmit Frequency


display: Complete Acquisition Content

definition: The list of objects that were generated in a single procedure step


display: LV Wall Motion Score Index

definition: The average of all scored (non-zero) Left Ventricle segment wall motion scores


display: Patient called to procedure room

definition: Patient called to procedure room


display: X-Ray Filter Material

definition: X-Ray absorbing material used in the filter


display: Clean Structured Content Option

definition: Additional de-identification according to an option defined in PS3.15 that requires that any information encoded in SR Content Items or Acquisition Context Sequence Items corresponding to the Attribute information specified to be removed by the Profile and any other Options specified also be removed


display: Half Value Layer

definition: Thickness of Aluminum required to reduce the X-Ray output at the patient entrance surface by a factor of two


display: Malignant fibrous histiocytoma

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


display: Radiopharmaceutical Administration

definition: Information pertaining to the administration of a radiopharmaceutical


display: MR signal intensity

definition: Signal intensity of an MR image, not otherwise specified


display: High Thyroid Uptake

definition: 25% or higher Thyroid Uptake of Iodine


code: MR

display: Magnetic Resonance

definition: Magnetic Resonance device


display: Pelvis and Uterus

definition: Report section for assessment of pelvis and uterus


display: Visual Field Macula Test Pattern

definition: Test pattern consisting of 16 test point locations within 10° of fixation a minimum of 1° from each meridian and placed 2° apart


display: Relative amount of exposure

definition: A qualitative descriptor for the amount of present or past exposure to an environmental irritant


display: Hoffer pACD Constant

definition: The "Hoffer pACD Constant" used in IOL calculation


display: Area by Pressure Half-Time

definition: Mitral valve area (cm2) by Pressure Half-time = 220 (cm2.ms) / PHT (ms)


display: Organ Dose Information

definition: Information pertaining to the estimated absorbed radiation dose to an organ


display: RECIST 1.1

definition: Response Evaluation Criteria in Solid Tumors Version 1.1. See Eisenhauer et al. "New Response Evaluation Criteria in Solid Tumours: Revised RECIST Guideline (version 1.1)." European Journal of Cancer 45, no. 2 (n.d.): 228-47. doi:10.1016/j.ejca.2008.10.026.


display: Visual Field M Test Pattern

definition: Test pattern for the macular area. Orthogonal test pattern with 0.7° spacing within the central 4° of eccentricity and reduced density of test locations between 4 and 10, 5° of eccentricity. 81 test locations over all. The test can be extended to include the test locations of the Visual Field G Test Pattern between 10, 5° and 60°


display: Image Orientation (Patient) Column X

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


display: Recording

definition: The person responsible for recording the procedure or observation


display: Difficult physical/clinical examination

definition: The inability to discern normal versus abnormal breast tissue during palpation


display: Radiographic anatomy

definition: A type of anatomy that is expected to be detectable on a radiographic (X-Ray based) image


display: Rate of exposure

definition: The quantity per unit of time that a patient was or is being exposed to an environmental irritant


display: Time

definition: Dimension used to sequence events, to compare the duration of events and the intervals between events


display: Free Acquisition

definition: The CT acquisition was performed while rotating the source about the gantry while the table movement is under direct control of a human operator or under the control of an analysis application; e.g. fluoro


display: Maximum CAD Operating Point

definition: The maximum value of CAD Operating Point for the specific CAD algorithm used


display: Regional Blood Flow

definition: The flow rate of blood perfusing a region as volume per mass per unit of time


code: IVUS

display: Intravascular Ultrasound

definition: Intravascular Ultrasound device


display: Blood velocity, mean

definition: Blood velocity, mean


display: Physiological audio signal

definition: Any sound made by the human body


display: Document

definition: Documentary source of quoted observations


display: Normal Range Authority

definition: Bibliographic or clinical reference for a Description of a normal range of values


display: Lesion Risk

definition: Assessment of the risk a coronary lesion presents to the health of a patient


display: CT Accumulated Dose Data

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


display: YBR PARTIAL CR Component

definition: CR (Red chrominance) component of a YBR PARTIAL image, as defined in JPEG 2000


definition: Body Surface Area computed from patient height and weight: BSA = 0.009568* WT[kg] ^ 0.473 * HT[cm] ^ 0.655 (For East Asian child aged 0-12 months)


display: Device Model Name

definition: Model Name of a device


display: Begin Transferring DICOM Instances

definition: Audit event: Storage of DICOM Instances has begun


display: Source Document

definition: Document whose content has been wholly or partially transformed to create the referencing document


display: CT Effective Dose Total

definition: The total Effective Dose at the defined scope of accumulation


display: kep

definition: kep, the rate constant between extravascular extracellular space (EES) and blood plasma See Tofts et al, "Estimating Kinetic Parameters From Dynamic Contrast-Enhanced T1-Weighted MRI of a Diffusable Tracer: Standardized Quantities and Symbols", Journal of Magnetic Resonance Imaging, vol. 10, pp. 223-232, 1999


display: Transcription

definition: Transcription type of output


display: TG18-NS50 Pattern

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


display: Regional Cerebral Blood Flow

definition: The flow rate of blood perfusing a region of the brain as volume per mass per unit of time


display: Opacity Descriptor

definition: A characteristic that further describes the nature of an opacity


display: Slice Contribution to Ejection Fraction

definition: Contribution to the ejection fraction of a specific slice region [Slager]


display: End of inspiration

definition: The moment at the end of respiratory inspiration


display: Arterial Pulse Waveform

definition: A digitized signal from the patient arterial system collected through pulse oximetry or other means


display: Scotopic light

definition: Lighting condition approximately 0.04 lux


display: Y-Concept

definition: The physical domain (time, space, etc.) to the vertical axis of the graphical presentation


display: Voltage measurement, NOS

definition: A voltage measurement not otherwise specified


display: Filler Number

definition: Identifier for the Order (or Service Request) assigned by the order filler system


display: Intracystic lesion

definition: A tumor within a cyst


display: Lesion completely removed

definition: An indicator that during an interventional procedure the area of interest was fully excised and is noted in the resultant biopsy specimen


definition: Number of lesion interventions successful during current procedure, where the residual post intervention stenosis is less than or equal to 50% of the arterial luminal diameter, TIMI Flow is 3 and the minimal decrease in stenosis was 20%


display: Individual Calcification

definition: A single identified calcification


display: Acetabular Cup Monoblock

definition: Prosthetic pelvic joint cup including insert


display: Objects incorrectly formatted

definition: One or more of the objects is malformed


display: Single Plane Ellipse

definition: Method of estimating volume from a planar ellipse. Equivalent to Biplane Ellipse with an assumption that the ellipse in the orthogonal plane has identical major and minor diameters


display: Spin Tagging Perfusion MR Signal Intensity

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


display: False Markers per Image

definition: The number of false CAD markers per image. Correlates to inverse of Image Specificity


display: Disagreement with prior findings

definition: Disagreement with prior findings


display: Stripe

definition: A longitudinal composite opacity measuring 2-5 mm in width; acceptable when limited to anatomic structures within the mediastinum [Fraser and Pare]


display: Calcium Mass Threshold

definition: Calcium Mass Threshold


display: Fetus

definition: Fetus of patient is the subject of observations


display: Patient given post-procedure instruction


display: Hemostasis not achieved - oozing

definition: Hemostasis not achieved - oozing


display: Reflection-based corneal topographer

definition: A reflection-based device that projects a pattern of light onto the cornea and an image of the reflection of that pattern from the tear film is recorded in one video frame. Light patterns include the circular mire pattern (Placido disc) and spot matrix patterns. Sequential scanning of light spots reflected from the corneal surface is also used requiring multiple video frames for recording


display: Discontinued Procedure Step rescheduling recommended

definition: It is recommended that a new Procedure Step be scheduled to replace the Discontinued Procedure Step


display: Skewness

definition: Measure of the asymmetry of the probability distribution of a real-valued random variable about its mean


display: Not all algorithms succeeded; without findings

definition: No findings resulted from the attempted computer-aided detection and/or analysis, but one or more failures occurred in the process


display: Dose Check Notification Details

definition: Report section about dose notifications during a protocol element


display: Confocal imaging

definition: An optical imaging technique used to increase optical resolution and contrast of a micrograph by using point illumination and a spatial pinhole to eliminate out-of-focus light in specimens that are thicker than the focal plane. It enables the reconstruction of 3D structures from the obtained images


display: ST Depression - Downsloping

definition: Finding of ST segment depression with downslope


display: Calibration Object

definition: Object used for Calibration


display: Flow Variance

definition: Statistical variance of blood velocity relative to mean


display: Visual Field Full Field 81 Point Test Pattern

definition: Test pattern consisting of 81 test point locations within 60° of fixation that spread out radially from fixation


display: Prior report for current patient

definition: Prior report for current patient


display: ACR Guideline, Performance of Adult CT Colonography

definition: American College of Radiology Practice Guideline for the Performance of Computed Tomography (CT) Colonography in Adults. In: Practice Guidelines and Technical Standards.Reston, Va: American College of Radiology;2006:371-376


display: Survey

definition: A breast imaging procedure performed on the entire breast


display: Arch of the Azygos vein

definition: Section of Azygos vein near the fourth thoracic vertebra, where it arches forward over the root of the right lung, and ends in the superior vena cava, just before that vessel pierces the pericardium


display: Horizontal Pixel Spacing

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


display: Irradiation Event

definition: An irradiation event is the loading of X-Ray equipment caused by a single continuous actuation of the equipment's irradiation switch, from the start of the loading time of the first pulse until the loading time trailing edge of the final pulse. Any automatic on-off switching of the irradiation source during the event is not treated as separate events, rather the event includes the time between start and stop of irradiation as triggered by the user; e.g. a pulsed fluoro X-Ray acquisition shall be treated as a single irradiation event


display: Radiopharmaceutical Specific Activity

definition: Activity per unit mass of the radiopharmaceutical at Radiopharmaceutical Start Time


display: Overall study quality

definition: Overall study quality


display: Left Ventricle Mass by Area Length - adjusted by Height

definition: Equation = Left Ventricle Mass by Area Length / Height^2.7 Reference: Giovanni De Simone, et al. "Effect of Growth on Variability of Left Ventricular Mass: Assessment of Allometric Signals in Adults and Children and Their Capacity to Predict Cardiovascular Risk". New York, New York and Cincinnati, Ohio


display: Duration of Intervention

definition: Duration of Intervention


display: Stationary Acquisition

definition: Acquisition where the X-Ray source does not move in relation to the patient


display: Baseline Result Correction

definition: Baseline correction used in the calculation of the results


display: Diastolic/Systolic velocity ratio

definition: Diastolic/Systolic velocity ratio


display: Acinar

definition: A pulmonary opacity 4-8 mm in diameter, presumed to represent anatomic acinus, or a collection of opacities in the lung, each measuring 4-8 mm in diameter, and together producing an extended, homogeneous shadow [Fraser and Pare]


display: Strongly positive - ST elevation

definition: Strongly positive finding - ST elevation


display: Visual Field 10-2 Test Pattern

definition: Test pattern, nominally covering an area within 10° of fixation. Consists of 68 test points a minimum of 1° from each meridian and placed 2° apart. The "-2" in this case indicates its point layout to be similar to the 30-2 and 24-2


display: Pixel by pixel mean

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


display: Compression Thickness

definition: The average thickness of the body part examined when compressed, if compression has been applied during X-Ray exposure


display: Lobar

definition: Of or relating to a lobe (a curved or rounded projection or division); e.g. involving an entire lobe of the lung


display: Device Observer Name

definition: Institution-provided identifier of automated device that created the observations


display: Number of needles around target

definition: The number of localizing needles placed around the area of interest in an interventional procedure


display: YBR FULL Y Component

definition: Y (Luminance) component of a YBR FULL image, as defined in JPEG 2000


display: Previous Finding

definition: An observation found on a prior imaging study


display: Bevacizumab ^89^Zr

definition: A Zr 89 Bevacizumab PET Radiotracer


code: SR

display: Structured Report Document

definition: Structured Report Document


display: Exposure Time

definition: Total time the patient has received X-Ray exposure during the irradiation event


display: Mass scoring method

definition: A method of calculating an overall calcium score, reflecting the calcification of coronary arteries, based on the total mass of calcification, typically expressed in mg


display: Unit Serial Identifier

definition: Unit or Device Serial Identifier


display: Radiation Physicist

definition: Radiation Physicist


display: Valve close

definition: The moment at which a heart valve closes


display: Derivation

definition: Method of deriving or calculating a measured value; e.g. mean, or maximum of set


display: CT-based attenuation correction

definition: CT-based attenuation correction


display: Distance Pupillary Distance

definition: Distance in mm between the pupils when the patient's object of regard is in the distance


display: Canadian Border Collie Association

definition: Canadian Border Collie Association


display: RT Treatment QA with RT Ion Plan Difference Check

definition: Perform Quality Assurance on an RT Ion Plan by comparing the content of previously quality-assessed RT Ion Plans with the current RT Ion Plan


display: Used Substance Type

definition: A classification of a substance, such as alcohol or a legal or illicit drug


definition: Adult Congenital Cardiac Ultrasound Report (document title)


display: Animal Registry Unlimited

definition: Animal Registry Unlimited


display: Aortic Intervention

definition: Aortic Intervention


display: Fractional Anisotropy

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


display: Add Near

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


display: Relative frequency of exposure

definition: A qualitative descriptor for the frequency of present or past exposure to an environmental irritant


display: Replaced report

definition: The reference is to a predecessor report that has been replaced by the current report


display: ACR Accreditation Phantom - Stereotactic Breast Biopsy

definition: A phantom acceptable for the ACR Stereotactic Breast Biopsy Accreditation program


display: Other image of stereoscopic pair

definition: Image providing a view of the target anatomy in a different imaging plane, typically with a small angular difference


display: Ganglion cell complex thickness

definition: Measurement approximating the distance related to the structure between the ILM and the outer border of the inner plexiform layer (IPL), called the ganglion cell complex (GCC); see Section III.6 "Retinal Thickness Definition" in PS3.17


display: Simultaneous ECG

definition: Reference is to a ECG waveform acquired simultaneously with an image


display: Storage Detector

definition: Storage detector that stores a signal that is later transformed by a reader into pixel values; e.g. a phosphor-based detector


display: Application Start

definition: Audit event: Application Entity has started


display: ST Elevation Onset DateTime

definition: DateTime of first determination of elevated ECG ST segment, as indication of Myocardial Infarction


display: Papillary Muscle Included/Excluded

definition: Indicates if the papillary muscle was included or excluded in the measurement


display: Flubatine F^18^

definition: A nicotinic α4β2 receptor (nAChR) PET radiotracer


display: Targeted

definition: A breast imaging procedure performed on a specific area of the breast


definition: Analysis Results identify Borderline and general reduction in sensitivity


display: RGB R Component

definition: Red component of a true color image (RGB)


display: Impression

definition: An interpretation in the clinical context of the finding(s) on an imaging study


display: X-Ray Grid

definition: An anti-scatter device based on radiation absorbing strips above the detector; e.g. in the patient support


display: Application Activity

definition: Audit event: Application Activity has taken place


display: C2 - Intermediate Polyp or Indeterminate Finding

definition: The study has an intermediate polyp or indeterminate finding and surveillance or colonoscopy is recommended. There may be intermediate polyps between six and nine millimeters and there are less than three in number. The study may have an intermediate finding and cannot exclude a polyp that is greater than or equal to six millimeters in a technically adequate exam. Based on "CT Colonography Reporting and Data System: A Consensus Proposal", Radiology, July 2005; 236:3-9


display: Rating of Perceived Exertion

definition: Rating of Perceived Exertion


display: Percent Fibroglandular Tissue

definition: Percent of breast area that is mammographically dense, excluding pectoralis muscle


display: TG18-QC Pattern

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


display: Plane A

definition: Primary plane of a Biplane acquisition equipment


display: Micronodule

definition: Discrete, small, round, focal opacity of at least soft tissue attenuation and with a diameter no greater than 7 mm [Fraser and Pare]


display: Borderline

definition: Analysis Results are borderline


display: Action on fluid

definition: An indicator of whether or not fluid during an interventional procedure was sent for cytological analysis or simply discarded


display: Flow Quantification

definition: Flow Quantification Analysis


display: IEC6127 Table Top Continuous Roll Angle

definition: Table Top Continuous Roll Angle in the direction of the IEC TABLE TOP Coordinate System [IEC 61217]


display: Posterior enhancement

definition: Increased posterior echoes


display: Chang method

definition: Chang attenuation correction method


display: Subpleural

definition: Situated or occurring between the pleura and the body wall


code: VA

display: Visual Acuity

definition: Visual Acuity device


display: IEC6127 Table Top Continuous Pitch Angle

definition: Table Top Continuous Pitch Angle in the direction of the IEC TABLE TOP Coordinate System [IEC 61217]


display: TG18-AFC Pattern

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


display: CC Posterior nipple line does not measure within 1 cm of MLO

definition: Image quality deficiency according to MQCM


display: Location of sampling site Z offset

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


code: PR

display: Presentation State

definition: Presentation State object


display: Tree-in-bud sign

definition: Nodular dilation of centrilobular branching structures that resembles a budding tree and represents exudative bronchiolar dilation [Fraser and Pare]


display: Parent Specimen Identifier

definition: Identifier of the parent specimen that gave rise to the current specimen


display: Outline

definition: Purpose of reference for an SCOORD content item that identifies the outline or bounding region of a finding or feature


display: 15cm from Table Centerline

definition: 15cm from the centerline of the X-Ray table and in the direction of the X-Ray source; See FDA Federal Performance Standard for Diagnostic X-Ray Systems §1020.32(d) (7)


display: Collimator

definition: A device used for restricting an X-Ray beam


display: Stationary Acquisition

definition: The CT acquisition was performed by holding the table at a constant position and acquiring multiple slices over time at the same location


display: Placer Number

definition: Identifier for the Order (or Service Request) assigned by the order placer system


display: Acquisition Plane

definition: Identification of Acquisition Plane with Biplane systems


display: Irradiating Device

definition: A device exposing a patient to ionizing radiation


display: Path

definition: A set of points on an image, that when connected by line segments, provide a polyline from which a linear measurement was inferred


code: BDUS

display: Ultrasound Bone Densitometry

definition: Ultrasound Bone Densitometry (modality)


display: Distance from chest wall

definition: Indicates the location of the area of interest as measured from the chest wall


display: TG18-RH50 Pattern

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


display: Contrast/Bolus Ingredient Opaque

definition: X-Ray absorption of the active ingredient of a contrast agent ingredient is greater than the absorption of water (tissue)


display: Bloom-Richardson Grade

definition: Histologic tumor grade (sometimes called Scarff-Bloom-Richardson grade) is based on the arrangement of the cells in relation to each other -- whether they form tubules, how closely they resemble normal breast cells (nuclear grade) and how many of the cancer cells are in the process of dividing (mitotic count)


display: Target Lesion Stable Disease

definition: Neither sufficient shrinkage to qualify for Partial Response nor sufficient increase to qualify for Progressive Disease, taking as reference the smallest sum Longest Diameter since the treatment started


display: Oblique illumination

definition: Oblique illumination method for specimen microscopy


display: Binary Segmentation

definition: Binary value denoting that the segmented property is present


display: PET Radionuclide Incubation Time

definition: The time between the start of injection of the PET radionuclide and the start of acquisition of the PET data


display: Patient has respiratory difficulty

definition: Patient has respiratory difficulty


display: Retain Longitudinal Temporal Information Modified Dates Option

definition: Retention of information that would otherwise be removed during de-identification according to an option defined in PS3.15 that requires that any dates and times be modified in a manner that preserves temporal relationships; e.g. Study Date and Time


definition: A semiquantitative analysis of the contrast-enhancement concentration versus time curve that avoids the use of a pharmacokinetic model; e.g. integration to compute the initial area under the curve


display: Calcification Descriptor

definition: Identification of the morphology of detected calcifications


display: Feature detected on multiple images

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


display: Image Position (Patient) Y

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


display: 2 Sigma deviation of population

definition: 2 Sigma deviation of a measurement in a reference population


display: Information used for planning

definition: All parameters and data that were used for the planning activity


display: TG18-GQN Pattern

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


display: Posterior To Anterior

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


display: Index

definition: Factor (divisor or multiplicand) for normalizing a measurement; e.g. body surface area used for normalizing hemodynamic measurements


display: Peak Filling Rate

definition: Peak of the fluid filling rate


display: Lossy compressed image

definition: Image encoded with a lossy compression transfer syntax


definition: An I 131 cancer targeted phospholipid ether PET radiotracer


display: Time of Peak Concentration

definition: The time at which the concentration-time curve achieves its peak for the first time. Used as a concept name for a value or as a method; e.g. used as a method of calculation for BAT. See Shpilfoygel Med Phys 2008. doi: 10.1118/1.1288669


display: Mean value chosen

definition: Observation value is the mean of several measurements, and has been selected for further processing or use


display: Logout

definition: Audit event: User logout has been attempted


display: Vertical Prism Base

definition: Direction of the base of a vertical prism -- either up, or down


display: Percentile Ranking of measurement

definition: Percentile Ranking of an observation value with respect a reference population


display: DateTime of last evaluation

definition: The date and time of the most recent evaluation of an indicated problem


display: Opposite Region Severity

definition: Severity at the opposite regional abnormality extent [example: Sheehan, 1986]


display: Visual Field Loss Due to Local Defect

definition: Estimate of the portion of a patient's visual field loss that is local (i.e., not spread evenly across all portions of the visual field)


display: Airway unobstructed

definition: Airway unobstructed


display: Identifier

definition: A name to differentiate between multiple instances of some item


display: Post Procedure Mammograms for Marker Placement

definition: An assessment category to indicate that images have been acquired to assess marker placement following a breast interventional procedure


display: Recumbent Patient Position with respect to gravity

definition: Patient orientation with respect to downward direction (gravity)


display: Lesion centered

definition: An image of any angular subtend that is centered on a lesion located in any region of the fundus; see Section U.1.8 "Relative Image Position Definitions" in PS3.17


display: IEC6127 Gantry Continuous Pitch Angle

definition: Gantry Pitch Continuous Angle in degrees of the radiation source, i.e., the rotation about the X-axis of the IEC GANTRY coordinate system [IEC 61217]


display: Onset of stimulation

definition: Instant at which stimulation begins


display: Linear ultrasound transducer geometry

definition: Ultrasonic transducer geometry characterized by parallel lines


display: Bolus Arrival Time

definition: The nominal time at which arrival of a contrast bolus is detected, which is used as a reference point for subsequent calculations. Used as a concept name for a value or as a method. No specific computational method is implied by this general definition. Abbreviated BAT


display: Bazett QTc Algorithm

definition: Bazett QT Correction Algorithm; QT/(RR ^ 0.5); Bazett HC. "An analysis of the time-relations of electrocardiograms" Heart7:353-370 (1920)


display: Metastatic sarcoma to the breast

definition: A malignant lesion in the breast with morphologic patterns not typical of breast carcinoma arising from a sarcoma


display: Parallelepiped

definition: Volume method defined by Arcilla [Arcilla]


display: Procedure Action Duration

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


display: Axial Measurements SOP Instance

definition: Axial Measurements DICOM SOP Instance


display: Underflow

definition: Measurement not available: Underflow (per IEEE 754)


display: Organ Dose

definition: The absorbed radiation dose to organ


display: History of multiple fetuses

definition: History of at least one pregnancy that contained more than one fetus; e.g. twins, triplets, etc.


display: Nursing unit cancel

definition: Procedure order canceled by nursing unit


display: Source image for montage

definition: Image used as a source for a montage (stitched) image


display: Language of Value

definition: The language of the value component of a name-value pair


display: Proximal Reference

definition: Proximal reference segment measurement site. Typically the site with the largest lumen proximal to a stenosis but within the same segment (usually within 10 mm of the stenosis with no major intervening branches)


display: Small: < 32.0 cm lateral thickness

definition: Small body thickness for calcium scoring adjustment. Lateral thickness is measured from skin-to-skin, at the level of the proximal ascending aorta, from an A/P localizer image


display: IAUC

definition: The intial area under the contrast agent concentration-time curve


display: Patient Data Used During Planning

definition: Reference to objects containing patient data that is used for planning


display: Accession Number

definition: Identifier for the Order (or Service Request) assigned by the department information system


display: Multiparametric MRI of whole body

definition: An MRI procedure of the whole body in which multiple parameters including diffusion, dynamic contrast and T2 are measured


display: No grid

definition: No X-Ray Grid was used due to low scatter conditions


display: X-Ray Filters

definition: Devices used to modify the energy or energy distribution of X-Rays


display: Vascularity not present

definition: Vascularity not evident, such as on ultrasound


display: Uterine malformations

definition: A developmental abnormality resulting in an abnormal shape of the uterus


display: Skin Condition Pale

definition: Skin Condition Pale


display: Issuer of Identifier

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


display: Target Region

definition: Anatomic Region to be imaged


code: CF

display: Cinefluorography

definition: Cinefluorography


display: Subject Class

definition: Type of observation subject


display: Cockroft-Gault Formula estimation of GFR

definition: The measurement method of the Glomerular Filtration Rate is Cockroft-Gault Formula


display: Associated Chest Component

definition: A named anatomic region within the chest cavity


display: Müller Method Planning for Hip Replacement

definition: Planning of Hip Replacement according to the procedure of M. E. Müller [Eggli et. al.1998]


display: TG18-PX Pattern

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


display: Pseudoplaque

definition: An irregular band of peripheral pulmonary opacity adjacent to visceral pleura that simulates the appearance of a pleural plaque and is formed by coalescence of small nodules [Fraser and Pare]


display: BN03 Pattern

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


display: Software failure

definition: Attributable to software used in generation or handling of image


display: Exposed Range

definition: The range along the z axis of the total volume irradiated, per IEC 60601-2-44, Ed. 3, 203.115(b). The start and stop of loading corresponding to the outer edge of the full width half maximum of the free-in-air dose profile for the beam collimation used


display: Estimated

definition: Measurement obtained by observer estimation, rather than with a measurement tool or by calculation


display: RECIST

definition: Response Evaluation Criteria In Solid Tumors; see Normative References


display: Destination Media

definition: Audit participant role ID of media receiving data during an export

valueset: participation-role-type


display: Right to Left Flow

definition: Right to Left Flow


display: MR Perfusion Peak

definition: Peak of the MR perfusion signal


display: Imagify

definition: Imagify ultrasonic contrast agent produced by Accusphere Inc


display: Texture Descriptor

definition: Characteristic of the surface or consistency of a finding or feature


display: Pulse Width

definition: (Average) X-Ray pulse width


display: TG18-UNL10 Pattern

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


display: Mammographic (crosshair)

definition: Using X-Ray technique and a superimposed set of crossed lines for detection or placement


display: Axillary node hyperplasia

definition: Excessive proliferation of normal tissue arrangement of the axillary node


display: Horizontal Prism Base

definition: Direction of the base of a horizontal prism -- either in (toward the nose), or out (away from the nose)


display: YBR ICT CR Component

definition: CR (Red chrominance) component of a YBR ICT image (Irreversible Color Transform), as defined in JPEG 2000


display: Full fidelity image

definition: Full fidelity image, uncompressed or lossless compressed


definition: Assuming the null hypothesis is true, the conditional percent probability of observing this result is statistically significant, 99% unlikely to happen by chance


display: Complicated cyst

definition: A fluid filled mass most commonly characterized by homogeneous low-level internal echoes on ultrasound


display: Rotational Acquisition

definition: Acquisition where the X-Ray source moves angularly in relation to the patient


display: Abnormal opacity

definition: An opacity that is not expected in a diagnostically normal radiograph


display: Performing Physician

definition: Physician who performed a procedure


display: Lesion Density

definition: The X-Ray attenuation of a lesion relative to the expected attenuation of an equal volume of fibroglandular breast tissue


display: Target content items are related temporally

definition: The associated content items are identified as being the same finding or feature at different points in time


display: Age at Menopause

definition: The age of the patient at the cessation of menses


display: Excellent image quality

definition: Excellent image quality


display: Total Plaque Volume

definition: Total amount of plaque between the EEM and the Lumen, over the entire region that is measured. Total Plaque Volume = EEM Volume - Lumen Volume


display: DateTime Ended

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


display: Degree of Freedom Maximum Rotational Value

definition: Defines the maximum value that was planned for rotation


display: View and Laterality Marker does not have approved codes

definition: Image quality deficiency according to MQCM


display: Target Lesion Partial Response

definition: At least a 30% decrease in the sum of the Longest Diameter of target lesions, taking as reference the baseline sum Longest Diameter


display: Perfusion analysis by Arterial Spin Labeling MR technique

definition: Perfusion analysis by Arterial Spin Labeling (ASL) MR technique


display: Left ventricular posterobasal segment

definition: Left ventricular posterobasal segment


display: Fibronodular

definition: Sharply defined, approximately circular opacities occurring singly or in clusters, usually in the upper lobes [Fraser and Pare]


display: Strongly positive

definition: Strongly positive finding


display: Relevant Indicated Problems

definition: Abnormal conditions experienced by the patient that serve as the reason for performing a procedure, such as a breast exam


display: Total Cholesterol Score Sheet for Men

definition: Framingham Study Total Cholesterol Score Sheet for Men


display: Implant Component List

definition: A list of all Implant Components selected for an implantation


display: Reagent Vial Identifier

definition: Identifies the lot or unit serial number for the reagent component for the radiopharmaceutical


display: MPPS Content

definition: The data is taken from an MPPS SOP Instance


display: Lesion partially removed

definition: An indicator that during an interventional procedure the area of interest was partially excised and is noted in the resultant biopsy specimen


display: Multiparametric MRI

definition: An MRI procedure in which multiple parameters including diffusion, dynamic contrast and T2 are measured


display: Dark brown color

definition: Color that is a dark shade of brown


display: N-acetylaspartate /Choline Ratio

definition: For single-proton MR spectroscopy, the ratio between the N-acetylaspartate and Choline resonance peaks


display: Failed Analyses

definition: A group of analysis algorithms that were attempted, but failed


display: Film Screen Mammography

definition: Mammogram using traditional X-Ray film


display: Indicator mean transit time

definition: Time for a median particle to travel from point of injection to point of detection


display: Fixed grid

definition: An X-Ray Grid that does not move during exposure


display: Sampling DateTime

definition: The date and time that the sample was collected from the patient


display: Resource inadequate

definition: Procedure discontinued due to necessary equipment, staff or other resource being inadequate to complete the procedure


display: Modified Simpson

definition: Modified Simpson's Method of estimating ventricular volume, based on the method of disks with paired apical views. Schiller NB, et al. "Recommendations for quantitation of the left ventricle by two-dimensional echocardiography. American Society of Echocardiography Committee on Standards, Subcommittee on Quantitation of Two-Dimensional Echocardiograms". J Am Soc Echocardiogr.1989 2(5):358-367. Sep-Oct


display: PET Measurement Report

definition: A structured report containing the quantitative results of human or machine analysis of PET images


display: TG18-LPH50 Pattern

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


display: Enhanced Multi-frame Conversion Equipment

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


display: Standard Deviation of Attenuation Coefficient

definition: For a set of X-Ray attenuation coefficients: 1) a measure of the dispersion of a frequency distribution that is the square root of the arithmetic mean of the squares of the deviation of each of the class frequencies from the arithmetic mean of the frequency distribution; 2) a parameter that indicates the way in which a probability function or a probability density function is centered around its mean and that is equal to the square root of the moment in which the deviation from the mean is squared


display: Age Ended

definition: The age of a patient on the last occurrence of an event, such as the last use of a medication


display: Paper Digitized

definition: Digitization of pages of a paper document (Units may be specified as Pages, Documents)


display: Whole Slide Imaging

definition: Procedure step protocol for imaging slide specimens using a whole slide scanner


display: TG18-GQ Pattern

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


display: Standard Deviation

definition: Values are derived by calculating the standard deviation of two or more images


display: Generic Planning for Knee Replacement

definition: Planning of Knee Replacement, by an unspecified method


display: Anterior junction line

definition: A vertically oriented linear or curvilinear opacity approximately 1-2 mm wide, commonly projected on the tracheal air shadow [Fraser and Pare]


display: Liquid Crystal Display

definition: A Display Device that displays images on a Liquid Crystal Display


display: Usable - Does not meet the quality control standard

definition: The usability of an image for diagnostic interpretation or CAD, based on a quality control standard


display: Dose frequency

definition: A measurement of the rate of occurrence of which a patient takes a certain medication


display: Baseline screening mammogram

definition: First screening mammogram taken for patient that is used as a comparison baseline for further examinations


display: Presence Undetermined

definition: Presence or absence of a property is undetermined


display: Patient Record

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


display: Patient unresponsive

definition: Patient unresponsive


display: Remote Service Operation Stopped

definition: Audit event: Remote Service Operation has Stopped


display: MLO Inframammary fold is not open

definition: Image quality deficiency according to MQCM


display: Scapular Supraspinatus Fossa

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


display: Curved multiplanar reformatting

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


display: Turntable Scan Method

definition: Scanning the object from different views by placing it on a rotating table


display: America Kennel Club

definition: America Kennel Club


display: Measurement From This Device

definition: Value obtained from measurements taken by the device creating this SOP Instance


display: Volume of bounding three dimensional region

definition: A three-dimensional numeric measurement of the bounding region of a three-dimensional region of interest in an image set


display: Neutral musculoskeletal position

definition: Neutral musculoskeletal position


display: Patient did not arrive

definition: Patient did not arrive for procedure


display: Correction of congenital cardiovascular deformity

definition: Procedure for correction of congenital cardiovascular deformity


display: Volumetric Diffusion Dyy Component

definition: Dyy Component of the diffusion tensor, quantifying the molecular mobility along the Y axis


display: End Circulatory Support

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


display: Alternate Photometric Interpretation image

definition: Image encoded with a different photometric interpretation


display: Fluoro Mode

definition: Mode of application of X-Rays during Fluoroscopy


display: Heterogeneous echotexture

definition: The breast texture is characterized by multiple small areas of increased and decreased echogenicity


display: Difference in Type of Content

definition: A change in the matter or substance within a finding or feature


display: Light brown color

definition: Color that is a light shade of brown


display: Results communicated

definition: The act of communicating actionable findings to a responsible receiver


display: BN07 Pattern

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


display: TG18-GA25 Pattern

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


display: Hodges QTc Algorithm

definition: Hodges QT Correction Algorithm; QT + 1.75 (heart rate-60); Hodges M, Salerno Q, Erlien D. "Bazett's QT correction reviewed. Evidence that a linear QT correction for heart rate is better." J Am Coll Cardiol1:694 (1983)


display: Patient Equivalent Thickness

definition: Value of the control variable used to parametrize the Automatic Exposure Control (AEC) closed loop; e.g. "Water Value"


display: Visual Field Central 40 Point Test Pattern

definition: Test pattern consisting of 40 test point locations within 30° of fixation that spread out radially from fixation


display: Regression Slope ES

definition: Relation between calculated End Systolic volume and ventricular End Systolic volume. The specific meaning is dependent on volume method used


display: Peripheral-superior temporal

definition: An image of at least 15° angular subtend positioned between the equator and ora serrata in the superior-temporal quadrant of the fundus; see Section U.1.8 "Relative Image Position Definitions" in PS3.17


display: View and Laterality Marker is missing

definition: Image quality deficiency according to MQSA


display: Plaque Burden

definition: Fractional area within the External Elastic Membrane (EEM) occupied by atheroma. Plaque Burden = (EEM area - vessel lumen cross-sectional area) / EEM area


display: Dynamic Contrast MR Measurement Report

definition: A structured report containing the quantitative results of human or machine analysis of DCE-MR


display: Freehand

definition: Human controlled minimization of the distance between the points of two point clouds


display: Coronary lesion > = 50% stenosis

definition: Finding of Coronary lesion with greater than 50% stenosis


display: Pixel by pixel multiplication

definition: Values are derived by the pixel by pixel multiplication of two images


display: Volume unadministered or discarded

definition: Volume of Drug, Contrast agent, or Infusate unadministered or discarded


display: RGB B Component

definition: Blue component of a true color image (RGB)


display: Size Specific Dose Estimation

definition: The Size-Specific Dose Estimate is a patient dose estimate that takes into account the size of the patient, such as described in AAPM Report 204 by using linear dimensions measured on the patient or patient images or estimated from patient age


display: Azygoesophageal recess interface

definition: A space in the right side of the mediastinum into which the medial edge of the right lower lobe extends [Fraser and Pare]


display: Network Configuration

definition: Audit event: Network configuration has been changed


display: Device localizer

definition: Image providing an anatomical reference on the patient under examination, for the purpose of documenting the location of device such as a diagnostic or therapeutic catheter


display: Plaque Plus Media Thickness

definition: The distance from intimal leading edge to the external elastic membrane along any line passing through the luminal center, which is defined as the center of gravity of the lumen area


display: Necrotic-Lipidic Plaque

definition: Area within the plaque with very low echogenicity separated from the lumen and surrounded by more echogenic structures (fibrous cap). Highly lipidic necrotic region with remnants of foam cells and dead lymphocytes present. No collagen fibers are visible and mechanical integrity is poor. Cholesterol clefts and micro calcifications are visible


display: Successful Analyses

definition: A group of analysis algorithms that were attempted and completed successfully


display: Abnormal Region

definition: The report of the boundaries of the abnormal (hyperkinetic, hypokinetic, a-kinetic) regions associated with the territory of the artery [example: Sheehan, 1986]


display: Smoothing

definition: Values are derived by smoothing


display: Image Specificity

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


display: Component Type

definition: Type of an Implant Component


display: Shutter-Speed Model (SSM)

definition: A tracer diffusion kinetic model that does not assume that intercompartmental water molecule exchange is infinitely fast. See Li, Xin, Wei Huang, Thomas E. Yankeelov, Alina Tudorica, William D. Rooney, and Charles S. Springer. "Shutter-Speed Analysis of Contrast Reagent Bolus-Tracking Data: Preliminary Observations in Benign and Malignant Breast Disease." Magnetic Resonance in Medicine 53, no. 3 (2005): 724-29. doi:10.1002/mrm.20405


display: Stepping Acquisition

definition: Acquisition where the X-Ray source moves laterally in relation to the patient


display: Cessation of stimulation

definition: Instant at which stimulation ends


display: Any decision to biopsy should be based on clinical assessment

definition: Any decision to perform tissue acquisition should be based on clinical assessment


display: Algorithmic attenuation correction

definition: Attenuation correction not based on image-based attenuation maps


display: 5 Point Segment Finding Scale

definition: A five point, echocardiographic numeric scoring scheme of myocardium segments based on evaluation of wall motion and ventricle morphology. Recommendations for Quantitation of the Left Ventricle by Two-Dimensional Echocardiography, Journal of the American Society of Echocardiography, 2:358-367, 1989


display: Specimen Identifier

definition: Identifier of specimen that is the subject of observations


display: Pathology

definition: The inferred type of disease associated with an identified feature


display: Table Lateral End Position

definition: Table Lateral Position at the end of an irradiation event; see (113752, DCM, "Table Lateral Position")


code: OSS

display: Optical Survace Scanner

definition: An acquisition device, process or method that performs optical surface scanning


display: Path Vertex

definition: Coordinates of a point on a defined path


display: White Pattern

definition: An alternative to AAPM TG18-UN80, specified at 100% of maximum pixel value


display: Localizer

definition: Image providing an anatomical reference on the patient under examination, for the purpose of defining the location of the ensuing imaging


display: Working Canine Association of Canada

definition: Working Canine Association of Canada


display: Aerobic index

definition: Workload (Watts) at target heart rate divided by body weight


code: CT

display: Computed Tomography

definition: Computed Tomography device


display: Weight exceeds equipment limit

definition: Patient weight exceeds equipment limit


display: Retain Longitudinal Temporal Information Full Dates Option

definition: Retention of information that would otherwise be removed during de-identification according to an option defined in PS3.15 that requires that any dates and times be retained,


code: AR

display: Autorefraction

definition: Autorefraction device


display: Manifest

definition: A list of objects that have been exported out of one organizational domain into another domain. Typically, the first domain has no direct control over what the second domain will do with the objects


display: Number of Samples Used per Image

definition: Number of samples used per Image for analysis


display: Contour Realignment

definition: Contour repositioning of End Diastolic relative to End Systolic contour


definition: Body Surface Area computed from patient weight:BSA = 1321 + 0.3433 * WT[kg] (for pediatrics 3-30 kg) [Current, J.D. 'A Linear Equation For Estimating The Body Surface Area In Infants And Children', The Internet Journal of Anesthesiology. 1998. 2:2]


display: Metastatic cancer to the breast from the colon

definition: A malignant lesion in the breast with morphologic patterns not typical of breast carcinoma arising from a neoplasm in the colon


display: Number of nodes positive

definition: Indicates the number of lymph nodes removed that contain cancer cells


display: SOP Class UID

definition: ParticipantObjectID type: SOP Class UID


display: Procedure time base

definition: Reference time for measurement of elapsed time in a procedure


display: Nodular pattern

definition: A collection of innumerable, small discrete opacities ranging in diameter from 2-10 mm, generally uniform in size and widespread in distribution, and without marginal spiculation [Fraser and Pare]


display: ECG Global Measurements

definition: ECG Global Measurements, report section


display: User security Attributes Changed

definition: Audit event: Security attributes of a user have been changed


display: Type of Content

definition: Characteristic of the matter or substance within a finding or feature


display: RT Patient Position Registration, 3D CT volume-based

definition: Registration of intended and actual patient position prior to treatment delivery, using 3D CT images and a volume-based registration approach


display: Blood vessel (vascular) invasion

definition: Histological changes to the vascular system related to an invasive process


display: Signal to Noise Ratio

definition: Signal to Noise Ratio of the data samples taken to create a measurement


display: Radiation removed

definition: Radiation removed


display: Surface contour mapping

definition: Mapping from 2D image pixels to 3D Cartesian coordinates based on measurements of the retinal surface; e.g. of the retina, derived via a measurement technology such as Optical Coherence Tomography, Ultrasound etc.


display: ICRP Publication 80

definition: Reference authority ICRP, 1998. Radiation Dose to Patients from Radiopharmaceuticals (Addendum to ICRP Publication 53). ICRP Publication 80. Ann. ICRP 28 (3)


display: Risk Factor modifier

definition: A descriptor that further qualifies or characterizes a risk factor


display: Peri-procedural MI occurred

definition: Indication that Myocardial Infarction occurred during current procedure


display: Left Hemisphere Most Inferior

definition: A point fiducial that specifies the location in the plane perpendicular to the Anterior- Posterior-Commissure axis and tangential to the inferior limit of the left brain hemisphere


display: Outside normal limits

definition: Analysis Results are outside normal limits


display: Vertebral Intervertebral Notch

definition: A groove that serves for the transmission of the vertebral artery


display: Imaging Conditions

definition: Imaging condition for refinement of protocol (includes secondary posture, instruction, X-Ray / electron beam energy or nuclide, and ultrasound modes), as used in JJ1017 v3.0


display: Vascularity

definition: Characterization of vascularization in region of interest


display: Content Date

definition: The date the data creation started


display: BN08 Pattern

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


display: Incision made

definition: An indicator of whether or not an incision was made in the anatomy during an interventional procedure


display: Sector ultrasound transducer geometry

definition: Ultrasonic transducer geometry characterized by lines originating from a common apex


display: First Pass Leakage Profile (FPLP)

definition: A tracer diffusion kinetic model that accounts for the tumor leakage profile during the first pass of contrast. See Li, Ka-Loh, Xiao Ping Zhu, John Waterton, and Alan Jackson. "Improved 3D Quantitative Mapping of Blood Volume and Endothelial Permeability in Brain Tumors." Journal of Magnetic Resonance Imaging 12, no. 2 (2000): 347-357. doi:10.1002/1522-2586(200008)12:2<347::AID-JMRI19>3.0.CO;2-7


code: DS

display: Digital Subtraction Angiography

definition: Digital Subtraction Angiography


display: Flash is not near edge of film

definition: Image quality deficiency according to MQCM


display: BN17 Pattern

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


display: DateTime Unsynchronized

definition: Recorded DateTime had its source in a system clock not synchronized to other recorded DateTimes


display: Posterior shadowing

definition: Decreased posterior echoes; edge shadows are excluded


display: Pittsburgh compound B C^11^

definition: A beta-amyloid PET radiotracer that is an analog of thioflavin T


display: X-Ray Detector Data Available

definition: Parameters related to the X-Ray Detector are available to the recording application


display: Target content items are related contra-laterally

definition: The associated content items are identified as being related side-to-side


display: Contour End

definition: Location of the end of a contour


display: RT Patient Position Acquisition, dual plane MV

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


display: Not all algorithms succeeded; with findings

definition: One or more findings resulted from the attempted computer-aided detection and/or analysis, but one or more failures occurred in the process


display: Overflow

definition: Measurement not available: Overflow (per IEEE 754)


display: Recurrent malignancy

definition: Recurrent malignancy


display: Stimulation at rate 1 interval

definition: The stimulation interval during cardiac stimulation first used in a pacing train


display: RT Machine QA

definition: Quality assurance of a Treatment Delivery Device


display: Spectacle Prescription Report

definition: The spectacle prescription for a patient


display: Site of Maximum Luminal

definition: Location of the maximum lumen area in a lesion or vessel


display: Interface

definition: The common boundary between the shadows of two juxtaposed structures or tissues of different texture or opacity (edge, border) [Fraser and Pare]


display: RT Patient Position Registration, Ultrasound

definition: Registration of intended and actual patient position prior to treatment delivery, using ultrasound images


display: For Referring Provider

definition: For Referring Provider


display: Visual Field Index

definition: Index of a patient's remaining visual field normalized for both age and generalized defect


display: C1 - Normal Colon or Benign Lesion

definition: The study has a normal colon or benign lesion, with the recommendation to continue routine screening. The study has no visible abnormalities of the colon. The study has no polyps greater than six millimeters. The study may have lipoma, inverted diverticulum, or nonneoplastic findings, such as colonic diverticula. Based on "CT Colonography Reporting and Data System: A Consensus Proposal", Radiology, July 2005; 236:3-9


display: Calcium Scoring Analysis

definition: Calcium Scoring Analysis


display: Left Ventricle Mass by Area Length

definition: method to measure the mass of the Left Ventricle via the ASE area-length method at end diastole. LV Mass = 1.05*(5/6*(A1*(L+t)) - 5/6*(A2*L)) A1 = Left Ventricle epicardial SAX area at the level of the papillary muscle tips at end diastole. A2 = Left Ventricle endocardial SAX area cavity area at the level of the papillary muscle tips at end diastole. L = Left Ventricle apical view long axis length at end diastole. t = Myocardial thickness can be computed as: t = sqrt (A1/3.14) - sqrt (A2/3.14) Reference: 1) Schiller, N.B., et al. "Recommendations for Quantification of the LV by Two-dimensional Echocardiography." J Am Soc Echo, Vol. 2, No. 5: 358-367, Sep-Oct 1989. 2) Reichek, N., et al. "Anatomic Validation of Left Ventricular Mass Estimates from Clinical Two-dimensional Echocardiography: Initial Results." Circulation, Vol. 67, No. 2: 348-52, February 1983


display: Spectroscopy

definition: Image where signals are identified and separated according to their frequencies; e.g. to identify individual chemicals, or individual nuclei in a chemical compound


display: Drug end

definition: Identifier of Drug whose administration has ended


display: Device Observer Model Name

definition: Manufacturer-provided model name of automated device that created the observations


display: Diabetic fibrous mastopathy

definition: The occurrence of fibrous tumor-forming stromal proliferation in patients with diabetes mellitus


display: Population Averaged AIF

definition: A population-averaged Arterial Input Function


display: Performed Procedure Step SOP Instance UID

definition: SOP Instance UID of a Performed Procedure Step


display: Verifying

definition: The person responsible for verifying the recorded procedure or observation


display: ST Depression - Horizontal

definition: Finding of ST segment depression with no slope


display: Graft to cited segment, proximal section

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


display: Density

definition: The opacity of a radiographic shadow to visible light; film blackening; the term should never be used to mean an "opacity" or "radiopacity" [Fraser and Pare]


display: Complete Rendering for Presentation

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


display: Volume of circumscribed sphere

definition: A three-dimensional numeric measurement of the bounding sphere of a three-dimensional region of interest in an image set


display: RT Patient Position Registration, Optical

definition: Registration of intended and actual patient position prior to treatment delivery, using optical images


display: Angioplasty balloon inflated

definition: Angioplasty balloon inflated


display: Accumulated CTDIvol Forward Estimate

definition: A forward estimate at a given location of the accumulated CTDIvol plus the estimated CTDIvol for the next Protocol Element Group; see NEMA XR 25-2010 Dose Check Standard


display: Visual Field LVC Test Pattern

definition: Low Vision Central. Orthogonal off-center test pattern with 6° spacing. 75 test locations within the central 30°. Corresponds with the 32/30-2 excluding the 2 locations at the blind spot, including a macular test location. The LVC is linked with a staircase threshold strategy starting at 0 dB intensity and applies stimulus area V


display: ACR Position Statement

definition: American College of Radiology. ACR Position Statement for Quality Control and Improvement, Safety, Infection Control, and Patient Concerns. In: Practice Guidelines and Technical Standards. Reston, Va: 2001:iv


display: Fluid obtained

definition: An indicator that during an interventional procedure fluid was successfully aspirated


display: Orientation

definition: Referential relationship of the finding to the imaging device as noted on sonography


display: TG18-LN8-08 Pattern

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


display: Two-dimensional method

definition: The calculation method was performed in two-dimensional space


display: TG18-AD Pattern

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


display: Abnormally high sensitivity

definition: Analysis Results identify abnormally high sensitivity


display: Phonocardiogram

definition: The sound of the human heart beating


display: AIF Ignored

definition: No Arterial Input Function was used


display: EEM Diameter Ratio

definition: EEM diameter ratio = minimum EEM diameter / maximum EEM diameter. Measured at the same cross section in the vessel


definition: The transverse relaxation rate constant. The inverse of transverse relaxation time, i.e., R2 = 1/T2


display: Location in Chest

definition: The zone, lobe or segment within the chest cavity in which a finding or feature is situated


display: Fiducial Alignment

definition: The registration is based on fiducials that represent patient or specimen features identified in each data set


display: TG18-LN12-15 Pattern

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


display: Content Time

definition: The time the data creation started


display: Proton Density

definition: Values are derived by calculating proton density values


display: superior longitudinal fasciculus I

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


display: Target not in the specimen

definition: An indicator that following an interventional procedure the area of interest is not seen in the resultant biopsy specimen


display: Myofibroblastoma

definition: Solitary or multiple tumors of muscles and fibrous tissues, or tumors composed of myofibroblasts


display: Table Horizontal Rotation Angle

definition: Rotation of the table in the horizontal plane (clockwise when looking from above the table)


display: Specimen Type

definition: Coded category of specimen that is the subject of observations


display: Reconstruction Algorithm

definition: Description of the algorithm used when reconstructing the image from the data acquired during the acquisition process


display: Threshold Value

definition: The minimum standard deviation to define the hypokinesis and hyperkinesis


display: Temporal Derivative Threshold

definition: A threshold applied to the temporal derivative of the concentration-time curve; e.g. used to establish BAT. See Shpilfoygel Med Phys 2008. doi: 10.1118/1.1288669


display: Beat Number

definition: Beat Number; ordinal of cardiac cycle within an acquisition


display: Percutaneous silicone injection

definition: The introduction of polymeric organic silicon based material through the skin, as for breast augmentation or reconstruction


display: Observation by Examiner

definition: A method of monitoring the patient's fixation by observation from the examiner of the patient


display: Exposure Time per Rotation

definition: The exposure time for one rotation of the source around the object in s


display: Background

definition: That which is not part of an object


display: Activity workload

definition: Physical activity workload (intensity) measurement


display: Multi-Scale/Resolution Filtering

definition: Surface processing accomplished through varying the data domain size. Include deformable models


display: Volume of use

definition: The quantity per unit of time that a medication or substance was or is being used


display: Spatial resampling

definition: Values are derived by spatial resampling of acquired data


display: Redistribution State

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


display: General reduction in sensitivity

definition: Analysis Results identify general reduction in sensitivity


display: Menopausal phase

definition: The current stage of an individual in her gynecological development


display: Visual Field SITA-Standard Test Strategy

definition: Swedish Interactive Thresholding Algorithm (SITA). Strategy gains testing efficiency through use of visual field and information theory models. In: Bengtsson B, Olsson J, Heijl A, Rootzen H. A new generation of algorithms for computerized threshold perimetry, SITA. Acta Ophthalmologica Scandinavica, 1997, 75: 368-375


display: Total Acquisition Time

definition: Total accumulated acquisition clock time in the scope of the including report (i.e., the sum of the Irradiation Duration values for accumulated acquisition irradiation events)


display: Standardized Added Metabolic Activity (SAM) Background

definition: The background value (VOI2-VOI1) used to calculate Standardized Added Metabolic Activity (SAM). SAM is calculated by drawing a volume of interest (VOI1) around the tumour and a larger VOI (VOI2) around VOI1. Subtracting the background activity in VOI2-VOI1 from VOI1 yields SAM. See Mertens et al. "Standardized added metabolic activity (SAM): a partial volume independent marker of total lesion glycolysis in liver metastases". Eur J Nucl Med Mol Imaging (2012) 39:1441-1448


display: Federation of International Canines

definition: Federation of International Canines