display: AAPM 204 Sum of Lateral and AP Dimension

definition: The Size Specific Dose Estimation is computed using Table 1A (32cm phantom) or Table 2A (16cm phantom) of AAPM Report 204


display: Manual Entry

definition: Recording of data by a human operator, including manual transcription of electronic data

resourceType: Concept


display: Agatston Score Threshold

definition: Agatston Score Threshold


display: Image View Modifier

definition: Modifier for Image View


display: Wall Mass

definition: Mass of the chamber wall (myocardium)


display: Visual Field Fast Threshold Test Strategy

definition: Takes neighborhood test point results into account and offers stimuli with an adapted value to save time


display: Undiluted dose administered

definition: Undiluted dose of Drug, Contrast agent, or Infusate administered


display: Cardiac Stress State

definition: Imaging after injection of tracer during increased cardiac workload or increased myocardial blood flow, achieved by either exercise or pharmacologic means


display: Time relative to R-wave peak

definition: Time relative to R-wave peak


display: Line

definition: A longitudinal opacity no greater than 2 mm in width [Fraser and Pare]


display: Homogeneity of GLCM

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


display: Image Quality Rating

definition: A numeric value in the range 0 to 100, inclusive, where 0 is worst quality and 100 is best quality


display: Extremely small

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


display: Anatomic image

definition: Image showing structural anatomic features


display: Hyperplasia, usual

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


display: X-Concept

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


display: End of systole

definition: End of the contraction phase of the cardiac cycle


display: Degree of Freedom Maximum Translational Value

definition: Defines the maximum value that was planned for translation


display: Blood temperature

definition: Blood temperature


display: Patient Table Relationship

definition: Orientation of the Patient with respect to the Head of the Table


display: Absolute Values Of Ventricular Measurements

definition: Section Heading for absolute values of ventricular measurements


display: Wall Thickness Ratio end-systolic to end-diastolic

definition: The ratio of the end-systolic wall thickness compared to the end-diastolic wall thickness


display: Number of similar findings

definition: A numeric count of findings classified as similar in nature


display: Sequenced Acquisition

definition: The CT acquisition was performed by acquiring single or multi detector data while rotating the source about the gantry while the table is not moving. Additional slices are acquired by incrementing the table position and again rotating the source about the gantry while the table is not moving


display: Nipple involved

definition: Indicates whether the nipple was involved in an interventional procedure or pathologic analysis


display: Quantitative Analysis

definition: Quantitative Analysis, report section


display: Max neg dp/dt

definition: The maximum negative rate of change of pressure


display: Temporal Successor

definition: Instance acquired subsequent to the referencing instance in a set of consecutively acquired instances


code: EPS

display: Cardiac Electrophysiology

definition: Cardiac Electrophysiology device


display: Minimum Attenuation Coefficient

definition: The least quantity assignable, admissible, or possible; the least of a set of X-Ray attenuation coefficients


display: Body habitus attenuation

definition: Image attenuation due to body physique (overweight)


display: Institutionally defined quality control standard

definition: An image quality control standard specified or adopted by the institution responsible for the document


display: Not for Presentation: Rendering device expected not to present

definition: The producer of a report intends for a recipient of the report NOT to present or display the associated content item


display: Acquisition Number

definition: A number that identifies an Acquisition. Corresponds to (0020,0012) in PS3.3


display: Family history unknown

definition: The health record of a patient's biological relatives is not known


display: In-Stent Neointimal Cross-Sectional Area

definition: Measurement of in-stent restenosis. In-Stent Intimal Area = Stent cross-sectional area - vessel lumen cross-sectional area


display: Mid-peripheral-temporal

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


display: Implantation Patient Positioning

definition: Position of the patient on the operating room table


display: Spherical projection

definition: Projection from 2D image pixels to 3D Cartesian coordinates based on a spherical mathematical model


display: T2* Weighted Dynamic Contrast Enhanced MR Signal Intensity

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


display: Equipment failure

definition: Equipment failure prevented completion of procedure


display: Adaptive Filtering

definition: Surface processing applied non-uniformly utilizing a priori knowledge of the system and/or relative locations of the data values within the data domain. Example: Neighborhood analysis where weighting factors are modified continuously based on predefined criteria


code: RTPLAN

display: Radiotherapy Plan

definition: Radiotherapy Plan


display: Device Subject Model Name

definition: Model Name of a device that is the subject of observations


display: Hoffer Q

definition: The Hoffer Q IOL calculation formula. Hoffer KJ. The Hoffer Q formula: a comparison of theoretic and regression formulas. J Cataract Refract Surg 1993;19:700-12. Errata. J Cataract Refract Surg 1994;20:677 and 2007;33:2-3


display: Percutaneous Coronary Intervention

definition: Percutaneous Coronary Intervention


display: < 3 months ago

definition: An event occurred less than 3 months ago


display: ACR Standard, CT medical physics performance monitoring

definition: American College of Radiology Technical Standard for Diagnostic Medical Physics Performance Monitoring of Computed Tomography (CT) Equipment. In: Practice Guidelines and Technical Standards.Reston, Va: American College of Radiology;2006:945-948


display: Ratio of achieved to predicted maximal oxygen consumption


display: Choline C^11^

definition: A C 11 Choline PET radiotracer


display: Length of Reconstructable Volume

definition: The length from which images may be reconstructed (i.e., excluding any overranging performed in a spiral acquisition that is required for data interpolation). Value is distinct from (1113825, DCM, "Scanning Length"), which is the actual length of the table travel during the entire tube loading, according to IEC 60601-2-44, and includes overranging. Also distinct from any actual Reconstructed Volume, which may depend on the slice thickness chosen for a particular reconstruction


display: Indexed Hemodynamic Resistance

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


display: Subject Age

definition: Age of patient who is the subject of observations


display: J Wire

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


display: Dose (RP)

definition: Dose applied at the Reference Point (RP)


display: Subject Breed

definition: The breed of the subject


display: Vascularity not assessed

definition: Vascularity not evaluated


display: TG18-MM1 Image

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


display: Hypoechoic

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


display: Phantom

definition: An artificial subject of an imaging study


display: Degree of Freedom Minimum Translational Value

definition: Defines the minimum value that was planned for translation


display: Analysis Performed

definition: The type of correlation applied to detection results; e.g. temporal, spatial


display: Direct Detector

definition: Detector that directly transforms the input signal to pixel values


display: Stress Protocol

definition: A series of physiological challenges designed to progressively increase the work of the heart


display: Number of focal planes

definition: Number of focal planes for a microscopy image acquisition


display: Infrared filter

definition: Filter that transmits the infrared spectrum, which is light that lies outside of the visible spectrum, with wavelengths longer than those of red light, while blocking visible light


display: Recall for imaging findings

definition: Patient returns for additional images to clarify findings from the most recent exam


display: Oxygen Consumption

definition: Oxygen Consumption


display: Imaging Start Time

definition: Imaging Start Time


display: Dissimilarity of GLCM

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


display: Fetal Biometry

definition: Report section for assessment of fetal growth


display: Multiple filling defect

definition: During ductography an observation of more than one filling abnormality within the breast ductal system


display: Distance Source to Reference Point

definition: Distance to the Reference Point (RP) defined according to IEC 60601-2-43 or equipment defined


display: PET Myocardial Perfusion, Rest and Stress

definition: Positron Emission Tomography Perfusion Imaging procedure, rest and stress


display: User-defined AIF ROI

definition: An Arterial Input Function computed from a user-defined Region of Interest


display: Mean CTDIfreeair

definition: The average value of the free-in-air CTDI associated with this acquisition


display: Continuity Equation

definition: For conduits in series ("in continuity"), volume flow is equal: A1*V1 = A2*V2. where V is the velocity


display: Olsen

definition: The Olsen IOL calculation formula. Olsen T. Calculation of intraocular lens power: a review. Acta Ophthalmol. Scand. 2007: 85: 472-485


display: Inner limits of fuzzy margin

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


display: Post-Intervention Stenosis Measurement

definition: Lesion stenosis measured after an interventional procedure


display: Login

definition: Audit event: User login has been attempted


display: RT Treatment Simulation with External Verification

definition: Simulated radiotherapy treatment delivery using verification by a external Machine Parameter Verifier


display: Consumable taken from inventory

definition: Identifier of Consumable taken from inventory


display: Free silicone

definition: Silicone found in breast tissue outside of the prosthetic capsule or implant membrane


display: Device Subject Manufacturer

definition: Manufacturer of a device that is the subject of observations


display: Carcinoma in ectopic breast

definition: A carcinoma found in supernumerary breasts and aberrant breast tissue


display: VO2 = VeSTPD * 10 * (FIO2 - FE02)

definition: Equation for estimated oxygen consumption: VO2 = VeSTPD * 10 * (FIO2 - FE02)


display: Related Implantation Reports

definition: Implantation Reports that are somehow related; e.g. contemporaneous implantations that are independent


display: Biopsy should be considered

definition: Tissue acquisition should be considered


display: Non-Target Lesion Complete Response

definition: Disappearance of all non-target lesions and normalization of tumor marker level


display: Non-Target Lesion Progressive Disease

definition: Appearance of one or more new lesions and/or unequivocal progression of existing non-target lesions


display: Other Derived Planning Data

definition: Data that is created by a planning application


display: Device Subject Serial Number

definition: Serial Number of a device that is the subject of observations


display: Menstrual Cycle Phase

definition: A specific timeframe during menses


display: Distance Source to Table Plane

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


display: Right tracheal stripe

definition: A vertically oriented linear opacity approximately 2-3 mm wide extending from the thoracic inlet to the right tracheobronchial angle [Fraser and Pare]


display: Relevant Risk Factors

definition: Personal, familial, and other health factors that may indicate an increase in the patient's chances of developing a health condition or disease, such as breast cancer


display: Same acquisition at lower resolution

definition: Image of the same target area at lower resolution acquired in the same acquisition process


display: IEC6127 Table Top Lateral Position

definition: Table Top Lateral Position IEC TABLE TOP Coordinate System [IEC 61217]


display: Blue-green filter

definition: A filter of 490nm that is used for retinal imaging because of excessive scattering of some retinal structures at very short wavelengths


display: RT Treatment with Internal Verification

definition: Radiotherapy treatment delivery using verification integral to the Treatment Delivery System


display: V max myocardial

definition: Maximum velocity of myocardial contractility


definition: τm. The mean intracellular water lifetime (τi). Used in the Shutter-Speed Model (SSM) of tracer kinetics


display: American Rare Breed Association

definition: American Rare Breed Association


display: C-Arm Mount

definition: The cassette/detector is mounted on a c-arm


display: Related to non macular sensitivity

definition: Mode for determining the starting luminance for screening test points - the starting luminance is chosen based on the result of four threshold values measured near the 15° meridian (one in each quadrant)


display: Peripheral duct papillomas

definition: Papilloma(s) pertaining the peripheral ducts


display: Skin Condition Clammy

definition: Skin Condition Clammy


display: Left-Right Axis

definition: A spatial dimension axis running along a line between the patient's left and right side


display: Clinical evaluation

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


code: KO

display: Key Object Selection

definition: Key Object Selection object


definition: Assuming the null hypothesis is true, the conditional percent probability of observing this result is not statistically significant


display: Title 21 CFR Section 900, Subpart B

definition: An image quality control standard in the US Code of Federal Regulations


display: Breast geometry

definition: The surface shape of all or a portion of breast related anatomy


display: Simultaneous Respiratory Waveform

definition: A waveform representing chest expansion and contraction due to respiratory activity, measured simultaneously with the acquisition of this Image


display: Patient reports chest pain

definition: Patient reports chest pain


display: Instrument Approach

definition: The area and line within the anatomy through which a needle or instrument passes during an interventional procedure


display: Pectoral Muscle Outline

definition: Purpose of reference for an SCOORD content item that is an outline of the pectoral muscle tissue only


display: Image Library Group

definition: A container that groups common information about a set of images used as evidence to produce a report


display: Sharply defined

definition: The border of a shadow (opacity) is sharply defined [Fraser and Pare]


display: Start of atrial contraction

definition: The beginning of the atrial contraction


display: Rendering Intent

definition: The recommendation of the producer of a content item regarding presentation of the content item by recipients of the report


display: BN11 Pattern

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


display: Feature detected on the only image

definition: There is one image in the interpreted data set


display: endoleak

definition: Persistent flow of blood into the stent-grafting


display: CC Nipple not centered on image

definition: Image quality deficiency according to MQCM


display: Right To Left

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


display: Lumen Diameter Ratio

definition: Lumen diameter ratio = minimum vessel lumen diameter / maximum vessel lumen diameter, measured at the same cross section in the vessel. Lumen diameters are measured through the center point of the lumen, which is defined as the center of gravity of the lumen area


display: Number of passes

definition: The number of times a biopsy instrument is passed through an area of interest


display: Transcription

definition: Transcription work item


display: View and Laterality Marker is off image

definition: Image quality deficiency


display: Number of specimens

definition: The number of biopsy specimens obtained from an interventional procedure


display: Number of Pulses

definition: Number of pulses applied by X-Ray systems during an irradiation event (acquisition run or pulsed fluoro)


display: Ophthalmic Macular Grid Problem

definition: The reason why the macular grid measurements may be questionable


display: Image Orientation (Patient) Column Y

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


display: Relative position

definition: Longitudinal distance from the closest edge of a fiducial feature or reference location to the start of the vascular measurement. This value will be a positive if the measurement is distal to the fiducial feature or reference location, or negative if the measurement is proximal to the fiducial feature or reference location


display: Destruction of microbubbles

definition: Destruction of ultrasonic contrast microbubbles by a high-energy ultrasound pulse


display: Bottom Z Location of Reconstructable Volume

definition: The Z location that is the bottom (lowest Z value) of the Reconstructable Volume. Specified as the Z component within the Patient Coordinate System defined by a specified Frame of Reference


display: Correlates to physical exam findings

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


display: Estimated Normal Flow

definition: Estimate of the volume of blood flow in the absence of stenosis


display: Medical Device Used

definition: Type or identifier of a medical device used on, in, or by a patient


display: World Kennel Club

definition: World Kennel Club


display: Table Longitudinal Position

definition: Table Longitudinal Position with respect to an arbitrary chosen reference by the equipment. Table motion towards LAO is positive assuming that the patient is positioned supine and its head is in normal position


display: Calcium Length

definition: Longitudinal calcium length measurement


display: Left Ventricular filling time

definition: Left Ventricular filling time


display: CRT Display

definition: A Display Device that displays images on a Cathode Ray Tube


definition: Values are derived by calculating T2* values


display: Histology using core biopsy

definition: Pathologic analysis of breast tissue and lesions using core tissue samples


display: Phantom tumor (pseudotumor)

definition: A shadow produced by a local collection of fluid in one of the interlobar fissures, usually elliptic in one radiographic projection and rounded in the other, resembling a tumor [Fraser and Pare]


display: Volume estimated from two non-coplanar 2D regions

definition: A three-dimensional numeric measurement that is approximate, based on two non-coplanar two-dimensional image regions


display: Subscapular Fossa

definition: The concave depression of the anterior surface of the scapula


display: Confirmation of target

definition: An indicator of the degree of success of an interventional procedure


display: Temporal Derivative Exceeds Threshold

definition: A method of determining BAT that involves computing the temporal derivative of the concentration-time curve and selecting the time when the temporal derivative exceeds a specified threshold. See Shpilfoygel Med Phys 2008. doi: 10.1118/1.1288669


display: Site of Lumen Maximum

definition: Site of Maximal lumen diameter of a vessel


display: Diffuse direct illumination

definition: A broad or "soft" light supplied from a single source


display: Role of person reporting

definition: The function of the individual who is reporting information on a patient, which could be a specific health care related profession, the patient him/herself, or a relative or friend


display: Acute unilateral renal blockage

definition: Blockage in one of the tubes (ureters) that drain urine from the kidneys


display: Pixel by pixel subtraction

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


display: Target Lesion at Baseline

definition: Flag denoting that this lesion was identified, at baseline, as a target lesion intended for tracking over time [RECIST]


display: Generic 2D Planning

definition: Planning by an unspecified 2D method


display: Quoted Source

definition: Reference to external source of quoted observations


display: Attenuation Coefficient

definition: A quantitative numerical statement of the relative attenuation of the X-Ray beam at a specified point. Coefficient that describes the fraction of a beam of X-Rays or gamma rays that is absorbed or scattered per unit thickness of the absorber. This value basically accounts for the number of atoms in a cubic cm volume of material and the probability of a photon being scattered or absorbed from the nucleus or an electron of one of these atoms. Usually expressed in Hounsfield units [referred to as CT Number in Fraser and Pare]


display: Conjunctive Term

definition: Conjunctive term between semantic units


display: Hardware Configuration

definition: Audit event: Hardware configuration has been changed


display: Equivalent Meaning of Value

definition: The human readable meaning of the value component of a name-value pair that is equivalent to the post-coordinated meaning conveyed by the coded value and its concept modifier children


code: ECG

display: Electrocardiography

definition: Electrocardiography device


display: ICRP Pub 60

definition: Reference authority 1990 Recommendations of the International Commission on Radiological Protection (ICRP Publication 60, published as the Annals of the ICRP Vol. 21, No. 1-3, Pergamon Press,1991)


display: Biopsy should be strongly considered

definition: Tissue acquisition should be strongly considered


display: Exposure Index

definition: Measure of the detector response to radiation in the relevant image region of an image acquired with a digital X-Ray imaging system as defined in IEC 62494-1; see PS3.3 definition of Exposure Index Macro


display: Positioner Primary Angle

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


display: Air

definition: Inspired atmospheric gas. The word is sometimes used to describe gas within the body regardless of its composition or site [Fraser and Pare]


display: Quality Control Standard

definition: The quality control standard used to make a quality assessment


code: BI

display: Biomagnetic imaging

definition: Biomagnetic imaging device


display: Signed Complete Study Content

definition: The signed list of objects that constitute a study at the time that the list was created, referenced securely with either Digital Signatures or MACs


display: Radial ultrasound transducer geometry

definition: Ultrasonic transducer geometry characterized by lines emanating radially from a single point


display: Procedure Study Instance UID

definition: Unique identifier for the Study or Requested Procedure


display: Lumen Eccentricity Index

definition: Measurement of vessel lumen eccentricity. Lumen Eccentricity Index = (maximum vessel lumen diameter - minimum vessel lumen diameter) / maximum vessel lumen diameter. Lumen diameters are measured through the center point of the lumen, which is defined as the center of gravity of the lumen area


display: Bioptome

definition: Device for obtaining biopsy sample


display: WSI 40X RGB

definition: Procedure step protocol for imaging slide specimens using a whole slide scanner with a 40X nominal objective lens, in full color, with a single imaging focal plane across the image


display: CRT Rear Projection System

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


code: RT

display: Radiation Therapy Device

definition: Radiation Therapy Device; includes linear accelerator, proton therapy


display: Proximal Stent Margin

definition: Region starting at the proximal edge of the Stent and extending several millimeters (usually 5 mm) proximal to the Stent edge


display: Stent Symmetry Index

definition: Measurement of stent circularity. Stent Symmetry Index = (maximum stent diameter - minimum stent diameter) / maximum stent diameter


display: Equidistant method

definition: Method for selecting sub-segments that are all of the same length


display: Time To Peak

definition: The time from the start of the contrast agent injection to the maximum enhancement value


display: Ground glass opacity

definition: Hazy increased attenuation of lung, but with preservation of bronchial and vascular margins; caused by partial filling of air spaces, interstitial thickening, partial collapse of alveoli, normal expiration, or increased capillary blood volume [Fraser and Pare]


display: Fibroadenolipoma

definition: A lipoma with an abundant stroma of fibrous tissue


code: FILMD

display: Film Digitizer

definition: Film Digitizer


display: Study Date

definition: Date on which the acquisition of the study information was started


display: Person administering drug/contrast

definition: Person administering drug/contrast


display: Discharge Summary

definition: Summary of patient condition upon Discharge from a healthcare facility


display: ECG-based gating signal, processed

definition: A signal that is generated for each detection of a heart beat


display: Illumination spectral band

definition: Name (coded) for an imaging spectral band


display: Butterfly filter

definition: Filter with two triangular sections


code: NM

display: Nuclear Medicine

definition: Nuclear Medicine device


display: Cancer elsewhere

definition: An indication that a patient has or had a malignant occurrence in an area of the body other than the breast


display: Point Cloud Algorithmic

definition: Point cloud that was calculated by an algorithm


display: Singular Value Decomposition (SVD) deconvolution


display: Plaque plus Media Eccentricity Index

definition: Plaque plus Media Eccentricity Index = (maximum Plaque plus media thickness - minimum Plaque plus media thickness) / maximum Plaque plus media thickness


display: Opacity

definition: The shadow of an absorber that attenuates the X-Ray beam more effectively than do surrounding absorbers. In a radiograph, any circumscribed area that appears more nearly white (of lesser photometric density) than its surround [Fraser and Pare]


display: Add Intermediate

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


display: Irradiation Event UID

definition: Unique identification of a single irradiation event


display: Area-length biplane

definition: Method for calculating left ventricular volume from two orthogonal views containing the true long axis (usually the apical 4 and 2 chamber views). Volume = [pL1 / 6] * [(4A1) ÷ (pL1) ] * [(4A2) ÷ (pL2) ]


display: External Data Source

definition: Value obtained by data transfer from an external source - not from measurements taken by the device providing the value


display: TG18-LN12-10 Pattern

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


definition: Body Surface Area computed from patient height and weight: BSA = 0.007184* WT[kg] ^ 0.425*HT[cm] ^ 0.725 [Dubois and Dubois, Arch Int Med 1916 17:863-71]


display: X-Ray Filter Thickness Maximum

definition: The maximum thickness of the X-Ray absorbing material used in the filters


display: Email

definition: Email and email attachments used as a media for data transport


display: Computer Aided Detection

definition: Computer aided detection work item


display: Pixel by pixel Maximum

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


display: Blue filter

definition: Filter that transmits blue while blocking the other colors, typically centered at 460-480 nm


display: Acute MI Present

definition: Finding of Acute Myocardial Infarction Presence as indication for interventional procedure


display: TG18-UN10 Pattern

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


display: Agreement with prior findings

definition: Agreement with prior findings


display: MVA = Flow / 38.0 * sqrt(Gradient[mmHg])

definition: Mitral valve area computed from flow and pressure gradient: Mitral valve Area = Flow / 38.0 * sqrt(Gradient[mmHg]) [Gorlin and Gorlin, Am Heart J, 1951]


display: Low

definition: A subjective descriptor for a limited amount of exposure, use, or dosage, incurring low risk of adverse effects


display: vp

definition: vp. The fractional (not absolute) blood plasma volume per unit volume of tissue. See Tofts et al, "Estimating Kinetic Parameters From Dynamic Contrast-Enhanced T1-Weighted MRI of a Diffusable Tracer: Standardized Quantities and Symbols", Journal of Magnetic Resonance Imaging, vol. 10, pp. 223-232, 1999


display: Peripheral-temporal

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


display: True Lumen

definition: Lumen surrounded by all three layers of the vessel-intima, media, and adventitia


display: DLP to E conversion via measurement

definition: Effective Dose evaluation from the product of Dose Length Product (DLP) and the Effective Dose Conversion Factor (E/DLP in units of mSv/mGy-cm), where the ratio is derived by means of dosimetric measurements with an anthropomorphic phantom


display: Monopole signal

definition: An electrical signal from one electrode relative to an indifferent potential


display: Processing step description

definition: Description of the individual step in the tissue processing sequence


display: TG18-CH Image

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


display: Shadow

definition: Any perceptible discontinuity in film blackening attributed to the attenuation of the X-Ray beam by a specific anatomic absorber or lesion on or within the body of the patient; to be employed only when more specific identification is not possible [Fraser and Pare]


display: Pattern projection

definition: Projecting a narrow band of light onto a three-dimensionally shaped surface produces a line of illumination that appears distorted from other perspectives than that of the projector. It can be used for an exact geometric reconstruction of the surface shape


display: Adenomyoepithelioma

definition: Neoplasms composed of myoepithelial cells


display: Diaphragmatic attenuation

definition: Image attenuation due to diaphragm


display: Upright Stand Mount

definition: The cassette/detector is mounted in an upright stand


display: TG18-LPV89 Pattern

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


display: Flash is illigible, does not fit, or is lopsided

definition: Image quality deficiency according to MQSA


display: History of ovarian cancer

definition: Indicates a previous occurrence of cancer of the lining of the ovary


display: Endovaginal Transducer

definition: Transducer is designed for insertion into the vagina


display: Simultaneous Arterial Pulse Waveform

definition: Arterial pulse waveform obtained simultaneously with acquisition of a referencing image


display: Graft Type

definition: A descriptor or elaboration of the type of graft


display: For Processing predecessor

definition: Source image from which FOR PRESENTATION images were created


display: Visual Field Loss Due to Diffuse Defect

definition: Estimate of the portion of a patient's visual field loss that is diffuse (i.e., spread evenly across all portions of the visual field)


display: Area Length Wynne

definition: Area Length method defined by Wynne [Wynne]


display: Clockface or region

definition: A location identifier based on clock-face numbering or anatomic sub-region


display: Distal Centralizer

definition: Attachment to the distal end of a cemented stem assuring that the stem is in a central position inside the drilled femoral canal before cementation


display: Centrilobular

definition: Referring to the region of the bronchioloarteriolar core of a secondary pulmonary lobule [Fraser and Pare]


display: SUV ideal body weight calculation method

definition: Method of calculating Standardized Uptake Value using ideal body weight. The patient size correction factor for males is 48.0 + 1.06 * (height - 152) and for females is 45.5 + 0.91 * (height - 152). Defined in Sugawara et al. Reevaluation of the Standardized Uptake Value for FDG: Variations with Body Weight and Methods for Correction.Radiology, 1999 at http://radiology.rsna.org/content/213/2/521


display: Diffusely increased vascularity in surrounding tissue

definition: Vascularity on imaging is considered diffusely elevated within the surrounding breast tissue


definition: Equation for estimated oxygen consumption: VO2 = 175 * BSA


display: Cluster Analysis

definition: Surface processing accomplished by combining data values based on their relative location within their domain or value distribution. Includes K- and C-means, Fuzzy Analysis, Watershed, Seed Growing, etc.


display: TG18-CX Pattern

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


display: Verbal

definition: Verbal source of quoted observations


display: DLP

definition: Dose Length Product (DLP), expressed in mGy-cm, is an index characterizing the product of the CTDIvol and the length scanned. For Spiral scanning, DLP = CTDIvol x Scanning Length. For Sequenced scanning, DLP = CTDIvol x Nominal Total Collimation Width x Cumulative Exposure Time / Exposure Time per Rotation. For Stationary and Free scanning, DLP = CTDIvol x Nominal Total Collimation Width


display: Slide UID

definition: Unique Identifier of specimen microscope slide that is the subject of observations


display: Clinical Finding

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


display: S Phase

definition: Indicates the percentage of cells in S phase. Cell division is defined by phases; the S phase is the stage during which DNA replicates


display: Luminance response evaluation

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


display: Blood velocity measurements

definition: Blood velocity measurements, report section


definition: Assuming the null hypothesis is true, the conditional percent probability of observing this result is statistically significant, 98% unlikely to happen by chance


display: Stenotic Flow Reserve

definition: The relation between coronary pressure and coronary flow


display: Equivalent Meaning of Concept Name

definition: The human readable meaning of the name component of a name-value pair that is equivalent to the post-coordinated meaning conveyed by the coded name and its concept modifier children


display: > 1 year ago

definition: An event occurred longer than 1 year ago


display: Effective Dose Phantom Type

definition: Type of Effective Dose phantom used


display: Interventional device placed

definition: Interventional device placed


display: Total Number of Irradiation Events

definition: Total number of events during the defined scope of accumulation


display: Occult blood test result

definition: An indicator of whether or not the fluid obtained during an interventional procedure contains red blood cells


display: Fluoro Dose Area Product Total

definition: Total calculated Dose Area Product applied in Fluoroscopy Modes (in the scope of the including report)


display: Total retinal thickness (ILM to BM)

definition: Measurement approximating the distance related to the structure between the ILM and the Bruch's membrane (BM); see Section III.6 "Retinal Thickness Definition" in PS3.17


display: Glaucoma Hemifield Test Analysis

definition: An analysis of asymmetry between zones of the superior and inferior visual field. It is designed to be specific for defects due to glaucoma


display: Length Luminal Segment

definition: Length Luminal Segment


display: Organization Name

definition: The name of an organization


display: Location of Specimen

definition: Description of specimen location, either in absolute terms or relative to the Position Frame of Reference


display: Dose (RP) Total

definition: Total Dose related to Reference Point (RP). (in the scope of the including report)


display: Person Observer's Role in the Organization

definition: Organizational role of human observer for the context of the current observation


display: Document Title Modifier

definition: Document Title Modifier


display: Total retinal thickness (ILM to RPE)

definition: Measurement approximating the distance related to the structure between the ILM and the retinal pigment epithelium (RPE); see Section III.6 "Retinal Thickness Definition" in PS3.17


display: Peripheral-inferior

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


display: Supplementary Data for Intervention

definition: Supporting evidence for interpretation results of an interventional procedure


display: Vascular Functional Analysis

definition: Vascular Functional Analysis


display: Substance Use History

definition: Information regarding usage by the patient of certain legal or illicit substances


display: Quantity of Material

definition: Quantity of Material used in a procedure


display: Image Content-based Alignment

definition: Computed registration based on global image information


display: Implant type

definition: Concept name for the material of which a breast prosthetic device is constructed


display: Language

definition: The language of the content, being a language that is primarily used for human communication; e.g. English, French


display: Patient given pre-procedure instruction

definition: Patient given pre-procedure instruction


display: Entrance Exposure at RP

definition: Exposure measurement in air at the reference point that does not include back scatter, according to MQCM 1999


display: Contrast/Bolus Agent

definition: Contrast or bolus agent


display: Fibro-Lipidic Plaque

definition: Loosely packed bundles of collagen fibers with regions of lipid deposition present. Region is cellular and no cholesterol clefts or necrosis are present. Some macrophage infiltration. Increase in extra cellular matrix


display: Pulmonary Flow

definition: Rate of blood flow through Pulmonary artery


display: Stent Fracture

definition: Fracture of a stent


display: Total Vascular Resistance

definition: Total Vascular Resistance


display: Temporally-related frames extracted from the set of volumes

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


display: Quality Assessment

definition: The effect of the quality of an image on its usability


display: Derived Hemodynamic Measurements

definition: Derived Hemodynamic Measurements, report section


display: Volume of Vascular Calcification

definition: A measured or calculated volume of vascular calcification


display: CTDIvol Forward Estimate

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


code: GM

display: General Microscopy

definition: General Microscopy device


display: TG18-LN8-05 Pattern

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


display: Sum of segmented voxel volumes

definition: The volume derived by summing the volumes of all the voxels (and partial voxels if the segment contains partially occupied voxels) included in the segment


display: T1 by Fixed Value

definition: Calculation was performed using a fixed value of T1 rather than a measured value. The value could be encoded as the value of (126353, DCM, "T1 Used For Calculation")


display: Concern

definition: Identified issue about a state or process that has the potential to require intervention or management


display: Bronchovascular

definition: Of or relating to a bronchial (lung) specific channel for the conveyance of a body fluid


display: Reticular pattern

definition: A collection of innumerable small linear opacities that together produce an appearance resembling a net [Fraser and Pare]


display: Local Service Operation Started

definition: Audit event: Local Service Operation has Begun


display: Tramline shadow

definition: Parallel or slightly convergent linear opacities that suggest the planar projection of tubular structures and that correspond in location and orientation to elements of the bronchial tree [Fraser and Pare]


display: CT Dose

definition: General description of CT dose values


display: Patient Orientation Column

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


display: Presentation Optional: Rendering device may present

definition: The producer of a report considers the presentation or display of the associated content item by a recipient to be optional


display: Patient Orientation Row

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


display: Unspecified

definition: The value of the concept is not specified


display: Image artifact(s)

definition: Signals that do not faithfully reproduce actual anatomic structures because of distortion or of addition or deletion of information


display: Stent Expansion Index

definition: Measurement of stent area relative to the reference lumen area. Stent Expansion Index = Minimum stent area / reference vessel lumen cross-sectional area


display: Thickness deviation category from normative data

definition: Ophthalmic Thickness map based upon statistical significance category (such as percentile) from a normative data set


display: Degree of Freedom Exact Rotational Translation Value

definition: Defines the exact value that was planned for rotation


display: Lesion Identifier

definition: Identification of a Lesion observed during an imaging procedure


display: Homogeneous fat echotexture

definition: Fat lobules and uniformly echogenic bands of supporting structures comprise the bulk of breast tissue


display: Physical force

definition: A physical force applied during acquisition


display: Target

definition: Discrete opacity centrally within a larger opacity, as a calcification descriptor


display: Plaque Area

definition: Longitudinal cross sectional area of plaque


display: Resource pre-empted

definition: Procedure discontinued due to necessary equipment, staff or other resource becoming (temporarily) unavailable to the procedure


display: Age Started

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


display: Cessation of exercise

definition: Instant at which exercise ends


display: Abnormal lines (1D)

definition: Linear opacity of very fine width, i.e., a nearly one dimensional opacity


display: Composite type

definition: The inferred relationship between the findings or features making up a composite feature


display: Continental Kennel Club

definition: Continental Kennel Club


display: Fluorotriopride F^18^

definition: An F 18 Fluorotriopride PET radiotracer


display: ATSM Cu^61^

definition: A Cu 61 ATSM PET radiotracer


display: Severely Jaundiced

definition: The patient exhibits symptoms severe of jaundice and/or has a Bilirubin >10 mg/dL


display: Glycolysis

definition: The amount glycolytic activity summed across all voxels in a defined region or within a defined range of SUV (on FDG-PET)


display: ICRP Publication 53

definition: Reference authority ICRP, 1988. Radiation Dose to Patients from Radiopharmaceuticals. ICRP Publication 53. Ann. ICRP 18 (1-4)


display: Spot magnification view(s)

definition: A spot or coned down compression of the breast providing a reduction in the thickness and a magnification of the localized area of interest and improved separation of breast tissue


display: Image Set Quality Rating

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


display: Radionuclide Vial Identifier

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


display: Query

definition: Audit event: Query has been made


display: Patient reports no pain

definition: Patient reports no pain


display: Environmental Exposure History

definition: Information regarding exposure of the patient to potentially harmful environmental factors


display: Area of a closed NURBS

definition: The area is derived by using a set of coordinates as control points for a Non Uniform Rational B-Spline (NURBS)


display: Doppler audio

definition: The Doppler waveform recorded as an audible signal


display: Beaded septum sign

definition: Irregular septal thickening that suggests the appearance of a row of beads; usually a sign of lymphangitic carcinomatosis, but may also occur rarely in sarcoidosis [Fraser and Pare]


display: TG18-RH89 Pattern

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


definition: Body Surface Area computed from patient height and weight: BSA = (HT[m] * WT[kg] / 36) ^ 0.5 [Mosteller, R.D. 'Simplified Calculation of Body Surface Area.' N Engl J Med 1987 Oct 22;317(17):1098]


display: Consultation With

definition: Consultation with identified personnel or staff


display: Exposure Time

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


display: Mean blood pressure

definition: The average blood pressure value, generally over 2 or more seconds


display: Supporting Information

definition: A description of the plan as encapsulated PDF SOP Instance


display: YBR RCT CR Component

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


display: TG18-LN12-14 Pattern

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


display: Fluoromisonidazole (FMISO) F^18^

definition: An F 18 Fluoromisonidazole PET radiotracer


code: DX

display: Digital Radiography

definition: Digital Radiography device


display: Density

definition: A space-occupying lesion identified in a single image or projection


display: Graft to cited segment, distal section

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


display: Procedure Step To This Point

definition: The period of time from the start of a Procedure Step until the time point established by the context of the reference


display: Frame of Reference UID

definition: Uniquely identifies groups of composite instances that have the same coordinate system that conveys spatial and/or temporal information


display: DICOM Study Deleted

definition: Audit event: Entire Study has been deleted


display: Dose Measurement Device

definition: Calibrated device to perform dose measurements


display: PET Myocardial Viability, Rest and Stress

definition: Positron Emission Tomography Myocardial Viability procedure, rest and stress


definition: An Interference-based device that projects a beam of light onto and through the cornea. Light reflected from within the cornea is combined with a reference beam giving rise to an interference pattern. Appropriately scanned, this imaging is used to construct 3-dimensional images of the cornea from anterior to posterior surfaces; e.g. swept source OCT


display: Maximum intensity projection

definition: Values are derived by maximum intensity projection of acquired data


display: Absolute ophthalmic thickness

definition: Thickness of a component of the posterior segment of the eye; e.g. thickness of retina, choroid, etc.


display: Visual Field Quantify-Defects Test Strategy

definition: An extension of the two-zone strategy, in which test points where the second stimulus is not seen receive threshold testing to quantify the depth of any detected scotomas


display: Agatston scoring method

definition: A method of calculating an overall calcium score, reflecting the calcification of coronary arteries, based on the maximum X-Ray attenuation coefficient and the area of calcium deposits


display: Air space

definition: The gas-containing portion of the lung parenchyma, including the acini and excluding the interstitium [Fraser and Pare]


display: Video Tape Digitized

definition: Digitization of Video Tape


display: Duplicate order

definition: Procedure discontinued due to duplicate orders received for same procedure


display: Osseous

definition: Of, relating to, or composed of bone


display: Flat filter

definition: Filter with uniform thickness that is for spectral filtering only; e.g. filter out low energy portion of the X-Ray that would only contribute to skin dose, but not to image


display: SMPTE Pattern

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


display: TG18-GA15 Pattern

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


display: WSI 20X RGB

definition: Procedure step protocol for imaging slide specimens using a whole slide scanner with a 20X nominal objective lens, in full color, with a single imaging focal plane across the image


display: Linear Displacement

definition: Spatial dimension, denoting a linear displacement


display: Device Code

definition: Vendor or local coded value identifying a device


display: Visual Field SITA-SWAP Test Strategy

definition: Adaptation of SITA testing methods to Blue-Yellow testing


display: Collimation too close to breast

definition: Image quality deficiency according to MQCM


code: VF

display: Videofluorography

definition: Videofluorography


display: Velocity encoded

definition: Values are derived by calculating values based on velocity encoded; e.g. phase contrast


display: 1cm above Tabletop

definition: 1cm above the patient tabletop or cradle; See FDA Federal Performance Standard for Diagnostic X-Ray Systems §1020.32(d) (7)


display: Failed Detections

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


display: Targestar-P

definition: Targestar-P ultrasonic contrast agent produced by Targeson LLC


display: YBR PARTIAL CB Component

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


display: Background for Lesion to Background SUV Ratio

definition: The SUV of a pre-defined background region used to compute Lesion to Background SUV Ratio. Need reference(s)


display: Reference Point

definition: Reference Point of a measurement


display: Head-Foot Axis

definition: A spatial dimension axis running along a line between the patient's head and foot


display: Suggestive of malignancy - take appropriate action

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


display: Edge Detection

definition: Surface processing through the exploitation of discontinuities in the data values within their domain. Includes Gradient filters


display: Histogram Analysis

definition: Surface processing applied to the distribution of the data values. Includes thresholding, Bayesian Classification, etc.


display: Interpolated Local Reference

definition: Application dependent method to calculate reference by interpolation, based on the diameter of two or more user defined reference positions


display: Area of Vascular Calcification

definition: A measured or calculated area of vascular calcification


display: Fellow

definition: A medical practitioner undergoing sub-specialty training; e.g. during the period after specialty training (residency)


display: Gaussian blur

definition: Values are derived by Gaussian blurring


display: Europium or Europium compound

definition: Material containing Europium or a Europium compound


code: OPM

display: Ophthalmic Mapping

definition: Modality device that measures corneal topography, corneal or retinal thickness, and other similar parameters that are typically displayed as maps


display: Inflow Angle

definition: The average slope of the diameter function between the position of the minimum luminal diameter and the position of the proximal border of the segment


display: Image detected mass

definition: Patient has a finding of mass reported on a prior imaging exam


display: Distal Finding Site

definition: Distal Anatomic Location for a differential measurement; may be considered subtype of term (G-C0E3, SRT, "Finding Site"); e.g. distance or pressure gradient


display: Holladay 2

definition: The Holladay 2 IOL calculation formula


display: Calcium score

definition: A measure often arrived at through calculation of findings from CT examination, which is a common predictor of significant stenosis of the coronary arteries


display: No known exposure

definition: Patient is not known to have been exposed to or used the substance or medication


code: CD

display: Color flow Doppler

definition: Color flow Doppler


display: Volumetric Diffusion Dxz Component

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


display: Summary of Analyses

definition: An overall indication of whether the CAD analysis algorithms applied were completed successfully


display: Algorithm Version

definition: The software version identifier assigned by a manufacturer to a specific software algorithm


display: Uncompressed predecessor

definition: An image that has not already been lossy compressed that is used as the source for creation of a lossy compressed image


display: Observation DateTime Qualifier

definition: Concept modifier for the DateTime of Recording of an Entry in an Event Log


display: Normalized Values Of Ventricular Measurements

definition: Results of normalizing ventricular measurements


display: Femur Head Center of Rotation

definition: Center of Rotation of the natural femur head


display: RT Patient Position Acquisition, single plane kV

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


display: TG18-LN12-16 Pattern

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


display: Timeframe uncertain

definition: The timing of an event is not recalled


display: Fallypride C^11^

definition: A C 11 Fallypride PET radiotracer


display: Kerley A line

definition: Essentially straight linear opacity 2-6 cm in length and 1-3 mm in width, usually in an upper lung zone [Fraser and Pare]


display: Parenchymal band

definition: Elongated opacity, usually several millimeters wide and up to about 5 cm long, often extending to the pleura, which may be thickened and retracted at the site of contact [Fraser and Pare]


display: Glutamine C^11^

definition: A C 11 Glutamine PET radiotracer


display: In-Stent Neointima

definition: Abnormal thickening of the intima within the stented segment


display: Stimulation at rate 4 interval

definition: Describes a stimulation interval different from and subsequent to the third interval in a pacing train


display: Multiparametric MRI of prostate

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


display: Procedure Result

definition: Overall success of interventional procedure


display: Patient prepped and draped

definition: Patient prepped and draped


display: IEC6127 Table Top Continuous Eccentric Angle

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


display: Value unknown

definition: Measurement not available: Value unknown


display: Temperature encoded

definition: Values are derived by calculating values based on temperature encoding


display: T1 Weighted MR Signal Intensity

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


display: Right Ventricular ejection time

definition: Right Ventricular ejection time


display: Z-Score

definition: Values are derived by calculating the value of the Z-Score statistic from multiple image samples


display: LAD Region in LAO Projection

definition: Based on a total number of chords of 100 and LAO projection the range of chords belonging to this regional extent lies between 50 -100 (hypokinetic) and 20 - 49 (hyperkinetic). [Sheehan, 1986]


display: History of benign breast biopsy

definition: Patient has had previous benign breast biopsies


display: Patient condition prevented continuing

definition: Patient condition prevented continuation of procedure


display: Interpretation

definition: Interpretation work item


display: Skin Condition Warm

definition: Skin Condition Warm


display: Echogenicity

definition: The ability of a material to create an ultrasound return echo


display: Regression Volume Exponent

definition: Exponent of volume in regression formula


display: Unmounted Detector

definition: The cassette/detector is not mounted.; e.g. a cassette placed underneath the patient


display: Table Longitudinal End Position

definition: Table Longitudinal Position at the end of an irradiation event; see (113751, DCM, "Table Longitudinal Position")


display: Linear spiculation

definition: A polyline segment graphically indicating the location and direction of a spiculation of a finding


display: TG18-GVN Pattern

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


definition: Nuclear Medicine Stress technetium/rest technetium 1 day procedure


display: Proximal Isovelocity Surface Area

definition: Utilizes aliasing velocity (by color Doppler) of flow into an orifice (often regurgitant or stenotic) to measure instantaneous flow rate, orifice area, and flow volume. The instantaneous flow rate = (2πr2vav ) * (α / π) where vav is the constant velocity known as aliasing velocity at radius r, vp is the peak velocity at the orifice, and α is the angle in radians of the constant velocity surface. Estimated Orifice area = Flow rate / vp , where vp is the peak velocity at the orifice and the flow rate is the PISA peak flow rate. The volume flow is then the product of the orifice area and Velocity Time Integral


display: Identification of the X-Ray Source

definition: Identifies the particular X-Ray source (in a multi-source CT system) for which the set of X-Ray source parameter values is reported


display: Portacath

definition: Connected to an injection chamber placed under the skin in the upper part of the chest. When it is necessary to inject some drug, a specific needle is put in the chamber through the skin and a silicon membrane. The advantage of a portacath is that it may be left in place several months contrarily of "classical" catheters


display: TG18-LN8-14 Pattern

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


display: Coronary Artery Bypass During This Admission

definition: Indication that a Coronary Artery Bypass operation was performed during the current hospital admission


display: Additional projections

definition: Views not inclusive of MLO and CC (BI-RADS®)


display: Least Mean Square (LMS) deconvolution

definition: Least Mean Square (LMS) deconvolution


display: Stress test score

definition: Stress test score


display: Calcification Cluster

definition: Multiple calcifications identified as occupying a small area of tissue (less than 2 cc)


display: Leukemic infiltration

definition: Mammary infiltrates as a secondary manifestation in patients with established leukemia


display: Skin Condition Diaphoretic

definition: Skin Condition Diaphoretic


display: Death During Catheterization

definition: Indication that the patient died during the current Catheterization procedure


display: ECST

definition: A method of diameter measurements according to ECST (European Carotid Surgery Trial)


display: Relevant Patient Information

definition: Historical patient health information for general purpose use


display: Pathology Results

definition: The collection of observations and findings from pathologic analysis


display: Endorectal Transducer

definition: Transducer is designed for insertion into the rectum


display: Volume of sphere

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


display: Early Gestation

definition: Report section for assessment of early gestation fetus


code: XC

display: External-camera Photography

definition: External-camera Photography device


display: Calcification extent as percent of volume

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


display: Fine pleomorphic calcification

definition: Calcifications that vary in sizes and shapes and are usually smaller than0.5 mm in diameter


display: Peri-operative Photographic Imaging

definition: Procedure step protocol for photographic imaging of surgical procedures, including photography of specimens collected


display: IEC6127 Table Top Longitudinal Position

definition: Table Top Longitudinal Position IEC TABLE TOP Coordinate System [IEC 61217]


display: Patient Image

definition: Patient Images used for an implantation planning activity


display: CR/DR Mechanical Configuration

definition: Method of mounting or positioning a CR/DR cassette or detector


display: Maximum Attenuation Coefficient

definition: The greatest quantity or value attainable or attained; the largest of a set of X-Ray attenuation coefficients


display: Equation Citation

definition: Bibliographic reference to a formula used to compute a derived measurement; reference may be to a specific equation in a journal article


display: Negative Infinity

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


display: Presentation Required: Rendering device is expected to present

definition: The producer of a report intends for a recipient of the report to present or display the associated content item


display: Pressure at dp/dt max

definition: Pressure at dp/dt max


code: SRF

display: Subjective Refraction

definition: Subjective Refraction device


display: Vessel Morphology

definition: Vessel Morphology; form and/or structural properties of vessel


display: Left to Right Flow

definition: Left to Right Flow


display: Complex

definition: Mass contains both anechoic and echogenic components


display: Export

definition: Audit event: Data has been exported out of the system


display: YBR PARTIAL Y Component

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


display: Posttreatment

definition: The time after the treatment of interest


display: Flocculent

definition: Calcifications made up of loosely aggregated particles, resembling wool


display: Manufacturer Implant Template

definition: Implant Template released by the Manufacturer


display: Area Length Kennedy

definition: Area Length method defined by Kennedy [Kennedy, 1970]


display: Derived Effective Diameter

definition: The diameter of the patient at a given location along the Z-axis of the patient, assuming that the patient has a circular cross-section (per AAPM Report 204)


display: Yellow-green filter

definition: A filter of 560nm that is used for retinal imaging and can provide good contrast and good visibility of the retinal vasculature


display: Succeeded

definition: The attempted process was completely successful


display: Nuclear Medicine Tomographic Activity

definition: Accumulated decay event counts in a Nuclear Medicine Tomographic image (including PET)


display: End Procedure Action Item

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


display: Well demarcated

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


display: Population description

definition: Description of a population of measurements


display: Vacuum assisted

definition: The performance of a biopsy procedure using a vacuum device attached to the biopsy needle


display: Stent Gap

definition: Length of gap between two consecutive stents


display: Conclusion

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


display: Duct narrowing

definition: An abnormality observed during ductography where the ductal system within the breast appears narrow


display: Dissection Classification

definition: Classification of dissections in a vessel


display: Retain Device Identity 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 information that identifies a device be retained; e.g. Device Serial Number


display: MLO Evidence of motion blur

definition: Image quality deficiency according to MQCM


display: IEC6127 Table Top Vertical Position

definition: Table Top Vertical Position in IEC TABLE TOP Coordinate System [IEC 61217]


display: Mosaic pattern

definition: Generalized pattern of relatively well defined areas in the lung having different X-Ray attenuations due to a longstanding underlying pulmonary disease


display: Incorrect procedure ordered

definition: Procedure discontinued due to incorrect procedure being ordered


display: RT Treatment QA by RT Ion Plan Dose Check

definition: Perform Quality Assurance on an RT Ion Plan by evaluating dosimetric content of the current RT Ion Plan


definition: Body Surface Area computed from patient height and weight: BSA = 0.007358 * WT[kg] ^ 0.425 * HT[cm] ^ 0.725 (for East Asian adult, aged 15+ years) [Kanai Izumi, Masamitsu Kanai, 'Clinical examination method summary']


display: Angular viewing evaluation

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


display: Case Specificity

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


display: Corneal instantaneous power map

definition: A two dimensional representation of the instantaneous curvature of the cornea. Instantaneous curvature is calculated from the reciprocal of the distance from a point on a meridian normal at the point to the center of curvature of that point. Also called tangential curvature


display: Relative frequency of use

definition: A qualitative descriptor for the frequency with which a medication or substance was or is being used


display: Pulse Strength

definition: Pulse Strength; palpable strength of systolic flow


display: Poiseuille Resistance

definition: Poiseuille Resistance at the location of the stenosis


display: Same acquisition at different focal depth

definition: Image of the same target area at different focal depth (Z-plane) acquired in the same acquisition process


display: Image Quality

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


display: Implant Assembly Template

definition: Implant Assembly Template


display: Maximum Difference

definition: The maximum degree of signal intensity change within a measured region of a time-activity curve. See Boonsirikamchai, Piyaporn, Harmeet Kaur, Deborah A. Kuban, Edward Jackson, Ping Hou, and Haesun Choi. "Use of Maximum Slope Images Generated From Dynamic Contrast-Enhanced MRI to Detect Locally Recurrent Prostate Carcinoma After Prostatectomy: A Practical Approach." American Journal of Roentgenology 198, no. 3 (March 1, 2012): W228-W236. doi:10.2214/AJR.10.6387


display: WHO

definition: Response evaluation method as defined in chapter 5, "Reporting of Response" of the WHO Handbook for Reporting Results for Cancer Treatment; see Normative References


display: Corneal refractive power map

definition: A two dimensional representation of the refractive power of the cornea. Corneal refractive power is calculated using Snell's Law


display: Stage IV

definition: TNM grouping of tumor stage, from AJCC, where primary tumor is any T value, regional lymph node is any N value, and distant metastasis is M1


display: Ratio of achieved to predicted functional capacity


display: Unspecified gynecological hormone

definition: A gynecological hormone for which the specific type is not specified; e.g. contraceptive, estrogen, Tamoxifen


display: Breast attenuation

definition: Image attenuation due to breast tissue


display: RT Treatment QA with External Verification

definition: Quality assurance of a radiotherapy treatment delivery using verification by an external Machine Parameter Verifier


display: Morphological Operations

definition: Surface processing based on the connectivity of values based on the shape or structure of the data values within their domain. Includes erode, dilate, etc.


display: Visual Field Dynamic Test Strategy

definition: Dynamic strategy is a fast thresholding strategy reducing test duration by adapting the dB step sizes according to the frequency-of-seeing curve of the threshold. Reduction of test time compared to normal full threshold strategy 30-50%


display: Lactating adenoma

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


display: LDL Cholesterol Score Sheet for Men

definition: Framingham Study LDL Cholesterol Score Sheet for Men


display: Pediatric Cardiac Ultrasound Report

definition: Pediatric Cardiac Ultrasound Report (document title)


display: IEC6127 Gantry Continuous Yaw Angle

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


display: Primary complex

definition: The combination of a focus of pneumonia due to a primary infection with granulomas in the draining hilar or mediastinal lymph nodes [Fraser and Pare]


display: Protocol Stage

definition: The exercise level during a progressive cardiac stress test


display: CT X-Ray Source Parameters

definition: Identification, tube-potential, tube-current, and exposure-time parameters associated with an X-Ray source during an acquisition


display: Large: > 38.0 cm lateral thickness

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


display: P wave

definition: The surface electrocardiogram of the atrial contraction


display: Gray Level Co-occurrence Matrix (GLCM)

definition: A tabulation of how often different combinations of pixel values (grey levels) occur in an image. See http://www.fp.ucalgary.ca/mhallbey/the_glcm.htm


display: Frame of Reference Identity

definition: There is a defined equivalence between the Frame of Reference of the Registration SOP instance and the Frame of Reference of the referenced images


display: Radiopharmaceutical Volume

definition: Volume of radiopharmaceutical administered to the patient


display: Circular Method

definition: Method based on assumption that the image object is circular


display: Table Height End Position

definition: Table Height Position at the end of an irradiation event; see (113753, DCM, "Table Height Position")


display: Small irregular opacities

definition: Term used to define a reticular pattern specific to pneumoconioses [Fraser and Pare]


display: Accumulated Average Glandular Dose

definition: Average Glandular Dose to a single breast accumulated over multiple images


display: x-descent pressure

definition: Venous or atrial pressure minimum during ventricular systole, after A-wave


display: Table Mount

definition: The cassette/detector is mounted in the patient table


display: Continuity Equation by Mean Velocity

definition: For conduits in series ("in continuity"), volume flow is equal: A1*V1 = A2*V2. where V is the mean velocity


display: Destination Role ID

definition: Audit participant role ID of the receiver of data

valueset: participation-role-type


display: Frame Extracting Equipment

definition: Equipment that has processed composite instances to create new composite instances by extracting selected frames from the original instance


display: IEC6127 Table Top Eccentric Axis Distance

definition: Table Top Eccentric Axis Distance [IEC 61217]


display: Oxygen Administration Rate

definition: Rate of Oxygen Administration


display: T1 by Multiple Flip Angles

definition: T1 measurement by Multiple Flip Angles (MFA) (variable saturation) method


display: Maximum X-Ray Tube Current

definition: Maximum X-Ray tube current


display: Patient exposure to ionizing radiation

definition: Patient exposure to ionizing radiation (procedure)


display: TG18-GQB Pattern

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


display: Geometrical image evaluation

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


display: Echovist

definition: Echovist® ultrasonic contrast agent produced by Schering AG


display: Measurement Orientation

definition: A modifier to a 2D distance measurement to describe its orientation; e.g. a vascular distance measurement for a vessel plague could have a modifier Transverse or Longitudinal


display: Source series for segmentation

definition: Series of image instances used as source data for a segmentation


display: ST Depression - Upsloping

definition: Finding of ST segment depression with upslope


display: DLP Notification Value

definition: Dose Length Product value configured to trigger a notification for a given protocol element


display: Central line

definition: A tube placed into the subclavian vein to deliver medication directly into the venous system


display: Haigis

definition: The Haigis IOL calculation formula. Haigis W, Lege B, Miller N, Schneider B. Comparison of immersion ultrasound biometry and partial coherence interferometry for intraocular lens calculation according to Haigis. Graefes Arch Clin Exp Ophthalmol 2000;238:765-73


display: Stage IIA

definition: TNM grouping of tumor stage, from AJCC, where primary tumor is T0 or T1, with regional lymph node N1 and distant metastasis is M0, or T2 with N0 and M0


display: Pre-Medication

definition: Medication to be administered at the beginning of the Scheduled Procedure Step


display: Discharge DateTime

definition: DateTime of patient discharge from hospital admission


display: Total Fluoro Time

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


display: Location of sampling site X offset

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


display: Nifene F^18^

definition: An F 18 Nifene PET radiotracer


display: RCA Region in ROA Projection

definition: Based on a total number of chords of 100 and RAO project the range of chords belonging to this circumferential extent lies between 25 - 85. [Sheehan, 1986]


display: Patient taken for treatment or surgery

definition: Procedure discontinued due to patient being taken for treatment or surgery


display: Collimated Field Width

definition: Distance between the collimator blades in pixel row direction as projected at the detector plane


display: Time domain

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


display: Skin Condition Flush

definition: Skin Condition Flush


display: Superomedial to inferolateral

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


display: Anterior-Posterior Axis

definition: A spatial dimension axis running along a line between the patient's anterior and posterior sides


display: Pulsed

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


display: Ultrasound Immersion

definition: A method of obtaining ophthalmic axial measurements that uses ultrasound, and that requires immersion of the patient's eye in fluid as he lies in a supine position


display: Single LAD Region in RAO Projection

definition: Based on a total number of chords of 100 and RAO projection the range of chords belonging to this regional extent lies between 10 - 66 (hypokinetic) and 67 - 80 (hyperkinetic). [Sheehan, 1986]


display: SUVbw

definition: Standardized Uptake Value calculated using body weight. The patient size correction factor for males and females is body weight. Defined in Sugawara et al. Reevaluation of the Standardized Uptake Value for FDG: Variations with Body Weight and Methods for Correction.Radiology, 1999 at http://radiology.rsna.org/content/213/2/521


display: Drug Product Identifier

definition: Registered drug establishment code for product, coding scheme example is NDC or RxNorm


display: TG18-LN12-11 Pattern

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


display: T2 Weighted Dynamic Contrast Enhanced MR Signal Intensity

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


display: Volume estimated from three or more non-coplanar 2D regions

definition: A three-dimensional numeric measurement that is approximate, based on three or more non-coplanar two-dimensional image regions


display: Referring

definition: The person responsible for referring the patient for the procedure


display: TG18-LN8-02 Pattern

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


display: Femoral Head Cone Taper Component

definition: Exchangeable neck intake for composite femoral head prosthesis. Combined with a Femoral Head Ball Component


code: COMP

display: Computation Server

definition: Computation Server; includes radiotherapy planning


display: Nursing Note

definition: Procedural note originated by a nurse


code: IVOCT

display: Intravascular Optical Coherence Tomography

definition: An acquisition device, process or method that performs intravascular optical coherence tomography


display: History of endometrial cancer

definition: Indicates a previous occurrence of cancer of the lining of the uterus


display: Integration of sum of closed areas on contiguous slices

definition: The volume derived by integrating the sum of the areas on adjacent slices across the slice interval; each area is defined by a regular planar shape or by considering a set of coordinates as a closed irregular polygon, accounting for inner angles


display: Side of Family

definition: An indicator of paternal or maternal relationship


display: C0 - Inadequate Study/Awaiting Prior Comparisons

definition: An inadequate study or a study that is awaiting prior comparisons. The study may have inadequate preparation and cannot exclude lesions greater than or equal to ten millimeters owing to presence of fluid or feces. The study may have inadequate insufflation where one or more colonic segments collapsed on both views. Based on "CT Colonography Reporting and Data System: A Consensus Proposal", Radiology, July 2005; 236:3-9


display: Mean Local Reference

definition: Application dependent method to calculate by averaging the reference, based on the diameter of one or more user defined reference positions


display: Head To Foot

definition: Orientation of a spatial dimension where increasing values run from the head to the foot of the patient


display: Mother of fetus

definition: Name of mother of fetus that is the subject of observations


display: YBR ICT CB Component

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


display: Device Subject UID

definition: Unique Identifier of a device that is the subject of observations


display: Pixel Data Rows

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


display: Orthogonal location arc inner margin

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


display: z-point pressure

definition: Atrial pressure upon closure of tricuspid and mitral valves


display: Studies Imported

definition: Importation of DICOM Studies


display: Sheet Film Digitized

definition: Digitization of Sheet Film


display: Patient assisted to table

definition: Patient assisted to table


display: All algorithms succeeded; without findings

definition: No findings resulted upon successful completion of all attempted computer-aided detection and/or analysis


display: Blood velocity vs. time of cardiac cycle

definition: Relationship between blood velocity and time relative to R-wave peak


display: Stimulation at rate 2 interval

definition: The stimulation interval different from the first stimulation interval used in a pacing train


display: YBR FULL CR Component

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


display: Referenced Frames

definition: Individual frames selected as a subset of a multi-frame image


display: Brightfield illumination

definition: Brightfield illumination method for specimen microscopy


display: Signal Baseline Start

definition: First time point in a dynamic set of images used in the calculation of the baseline signal intensity for each myocardial wall segment


display: Papillary carcinoma in-situ

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


definition: Body Surface Area computed from patient height and weight: BSA = 0.010265 * WT[kg] ^ 0.423 * HT[cm] ^ 0.651 (For East Asian child aged 12-14 years)


display: Patient transferred to holding area

definition: Patient transferred to holding area


display: View and Laterality Marker is incorrect

definition: Image quality deficiency


display: Mass in the skin

definition: An abnormality noted at imaging within the dermis of the breast


display: Study Instance UID

definition: ParticipantObjectID type: Study Instance UID


display: Extended Tofts Model

definition: A tracer diffusion kinetic model in which the permeability is not assumed to be isodirectional, and which includes the contribution of tracer in the blood plasma to the total tissue concentration. See P. Tofts, "Modeling tracer kinetics in dynamic Gd-DTPA MR imaging", Journal of Magnetic Resonance Imaging, vol. 7, pp. 91-101, 1997


display: Orthogonal location arc

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


display: Slide Identifier

definition: Identifier of specimen microscope slide that is the subject of observations


display: Horizontal Prism Power

definition: The power of a prism to bend light in the horizontal direction, in prism diopters


display: Distinctly defined

definition: The border of a shadow (opacity) is distinctly defined [Fraser and Pare]


display: Intralobular lines

definition: Fine linear opacities present in a lobule when the intralobular interstitium is thickened. When numerous, they may appear as a fine reticular pattern [Fraser and Pare]


display: CT Acquisition Parameters

definition: General description of the acquisition parameters


display: R-R interval

definition: Time interval between ECG R-wave peaks in subsequent cardiac cycles


display: T1 Used For Calculation

definition: The fixed value of T1 used for a calculation


display: Septal Defect Intervention

definition: Septal Defect Intervention


display: Squamous cell carcinoma of the nipple

definition: Squamous cell carcinoma to the terminal portion of the alveolar


display: MIRD Pamphlet 1

definition: Reference authority MIRD Pamphlet No.1 (rev) ,Society of Nuclear Medicine, 1976


display: Patient Transferred From

definition: Location from which the patient was transferred


display: Source series for image processing operation

definition: Series used as the source for an image processing operation


display: Pixel by pixel division

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


display: Object type

definition: A non-lesion object identified within one or more images


display: Area Length Dodge

definition: Area Length method defined by Dodge [Dodge, 1960]


display: Aneurysm on cited vessel

definition: Anatomic term modifier indicating aneurysm on cited vessel is the subject of the finding


display: OLINDA-EXM

definition: Reference authority Stabin MG, Sparks RB, Crowe E (2005) OLINDA/EXM: The Second-Generation Personal Computer Software for Internal Dose Assessment in Nuclear Medicine [Computer program]


display: RT Patient Position Registration, dual plane

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


display: Oil cyst (fat necrosis cyst)

definition: A cyst resulting from the loss of the epithelial lining of a sebaceous dermoid or lacteal cyst


display: Clustered microcysts

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


display: Age at First Full Term Pregnancy

definition: The age of the patient at the time of her first full term pregnancy


display: Secondary pulmonary lobule

definition: The smallest unit of lung surrounded by connective tissue septa; the unit of lung subtended by any bronchiole that gives off three to five terminal bronchioles [Fraser and Pare]


display: Fasting Duration

definition: The number hours the patient has gone without food


display: Image Orientation (Patient) Row Y

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


display: Table Lateral Position

definition: Table Lateral Position with respect to an arbitrary chosen reference by the equipment. Table motion towards CRA is positive assuming that the patient is positioned supine and its head is in normal position


display: Basal cell carcinoma of nipple

definition: A basal cell carcinoma that arises in the nipple of the breast


display: Composed from prior doses and current plan

definition: The dose object created was calculated by summation of existing, previously calculated, RT Dose instances and dose newly calculated by the application. The newly calculated dose may or may not exist as an independent object


display: Post reduction mammoplasty

definition: Breast tissue with characteristics of a benign nature, following breast reduction surgery


display: Intra-stent Dissection

definition: Separation of neointimal hyperplasia from stent struts, usually seen only after treatment of in-stent restenosis


display: Gradient assessment

definition: Gradient assessment, report section


display: Late Contrast Enhancement

definition: Delayed hyperenhancement of a tissue observed in an image acquired after injection of contrast media


display: Blind Spot Monitoring

definition: A method of monitoring the patient's fixation by periodically presenting stimulus in a location on the background surface that corresponds to the patient's blind spot


display: X-Ray Mechanical Data Available

definition: Parameters related to the X-Ray Mechanical System (Stand, Table) are available to the recording application


display: Continuity Equation by Peak Velocity

definition: For conduits in series ("in continuity"), volume flow is equal: A1*V1 = A2*V2. where V is the peak velocity


display: Person

definition: Human observer created the observations


display: Visual Fixation Quality During Acquisition

definition: The assessment of the centricity and persistence of the visual fixation (direction of gaze) during the acquisition


display: BN16 Pattern

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


display: Max dp/dt

definition: The maximum positive rate of change of pressure


display: Consumable returned to inventory

definition: Identifier of Consumable returned to inventory


display: Radial scar

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


display: Stage IIIA

definition: TNM grouping of tumor stage, from AJCC, where primary tumor is T0, T1 or T2, with regional lymph node N2 and distant metastasis is M0, or T3 with N1 or N2 and M0


display: Monoblock Stem

definition: Prosthetic Stem and Femoral Head in one piece


display: Usable - Meets the quality control standard

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


display: Grid artifact(s)

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


display: Procedure Description

definition: A description of the imaging procedure


display: Quality Control

definition: Quality control work item


display: 30cm above Tabletop

definition: 30cm above the patient tabletop of cradle; See FDA Federal Performance Standard for Diagnostic X-Ray Systems §1020.32(d) (7)


display: Angioplasty balloon deflated

definition: Angioplasty balloon deflated


display: Trend

definition: Trend (temporal progression) of a clinical condition, finding, or disease


display: Imaged container label

definition: Image specifically targeting the container label


display: View and Laterality Marker is not near the axilla

definition: Image quality deficiency according to MQCM


display: Focal Spot Size

definition: Nominal Size of Focal Spot of X-Ray Tube


display: Device Observer Physical Location During Observation

definition: Location of automated device that created the observations whilst the observations were being made


display: Value out of range

definition: Measurement not available: Value out of range


display: RT Patient Setup

definition: Process of placing patient in the anticipated treatment position, including specification and location of positioning aids, and other treatment delivery accessories


display: Degree of Freedom Minimum Rotational Value

definition: Defines the minimum value that was planned for rotation


display: Cooper's ligament changes

definition: Straightening or thickening of Cooper's ligaments


display: Optical filter type

definition: Type of filter inserted into the optical imaging path


display: RT Treatment QA by RT Plan Difference Check

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


display: Intervention performed

definition: Intervention performed


display: Lesion Sensitivity

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


display: Combination implant

definition: A prosthetic device that contains more than one material implanted in the breast


display: Pulmonary Arterial Content (FCpa)

definition: Pulmonary Arterial Content (FCpa)


display: Incorrect Modality Worklist Entry

definition: List of objects that were acquired using an incorrect modality worklist entry, and that should not be used, since they may be incorrectly identified


display: Study

definition: A study is a collection of one or more series of medical images, presentation states, and/or SR documents that are logically related for the purpose of diagnosing a patient. A study may include composite instances that are created by a single modality, multiple modalities or by multiple devices of the same modality. [From Section A.1.2.2 "Study IE" in PS3.3 ]


display: Visual Field 60-4 Test Pattern

definition: Test pattern consisting of 60 test point locations between 30° and 60° of fixation a minimum of 6° from each meridian and placed 12° apart. The "-4" distinguishes this from a similar 60° pattern having 4 additional points


display: Lesion Morphology

definition: Lesion Morphology; form and/or structural properties of lesion


display: Three-dimensional method

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


display: Perfusion

definition: Scalar value related to the volume of blood perfusing into tissue


display: Stage IIIC

definition: TNM grouping of tumor stage, from AJCC, where primary tumor is any T value, regional lymph node is N3, and distant metastasis is M0


display: TG18-LN12-06 Pattern

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


display: Left To Right

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


display: Creatine and Choline

definition: For single-proton MR spectroscopy, the resonance peak corresponding to creatine and choline


display: Tracking Identifier

definition: A text label used for tracking a finding or feature, potentially across multiple reporting objects, over time. This label shall be unique within the domain in which it is used


display: Unspecified method of calculation

definition: The method of calculation of a measurement or other type of numeric value is not specified


display: Cube

definition: Method (formula) for calculating left ventricle volumes and function derivatives (EF, SV, SI, etc.) that estimates the volume as the cube of diameter


display: Over exposed

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


display: Follow-up at short interval (1-11 months)


display: Age when left ovary removed

definition: The age of the patient at the time she had her left ovary removed


display: Volume corresponding to spatially-related acquisition frames

definition: 3D Volume containing the spatially-related frames in the referencing instance