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DICOM PS3.16 2020a - Content Mapping Resource​

Page 1251​

Code Value​

Code Meaning​

Definition​

Notes​

113299​

AnomalousExponentParameter​The anomalous exponent (stretching, alpha) parameter​Bennett KM, Schmainda KM,​

 

 

ofastretched-exponentialdiffusionmodel.Thisdescribes​Bennett RT, Rowe DB, Lu H,​

 

 

the deviation of the signal attenuation from​

Hyde JS. Characterization of​

 

 

mono-exponential behavior​

continuously distributed​

 

 

 

cortical water diffusion rates​

 

 

 

with a stretched-exponential​

 

 

 

model. Magn Reson Med.​

 

 

 

2003;50: 727-734. http://​

 

 

 

dx.doi.org/10.1002/​

 

 

 

mrm.10581​

 

 

 

Toivonen J, Merisaari H,​

 

 

 

PesolaM,TaimenP,Boström​

 

 

 

PJ, Pahikkala T, et al.​

 

 

 

Mathematical models for​

 

 

 

diffusion-weightedimagingof​

 

 

 

prostate cancer using b​

 

 

 

values up to 2000 s/mm2:​

 

 

 

Correlation with Gleason​

 

 

 

score and repeatability of​

 

 

 

region of interest analysis.​

 

 

 

Magnetic Resonance in​

 

 

 

Medicine.​

 

 

 

2015;74(4):1116-24. http://​

 

 

 

dx.doi.org/10.1002/​

 

 

 

mrm.25482​

113500​ Radiopharmaceutical Radiation​TheprocedurereportisaRadiopharmaceuticalRadiation​

 

Dose Report​

Dose report​

 

113502​

Radiopharmaceutical​

Information pertaining to the administration of a​

 

 

Administration​

radiopharmaceutical​

 

113503​

Radiopharmaceutical​

Unique identification of a single radiopharmaceutical​

 

 

Administration Event UID​

administration event.​

 

113505​

Intravenous Extravasation​

Initial signs or symptoms of extravasation​

 

 

Symptoms​

 

 

113506​

EstimatedExtravasationActivity​The estimated percentage of administered activity lost​

 

 

 

at the injection site. The estimation includes​

 

 

 

extravasation, paravenous administration and leakage​

 

 

at the injection site.​

 

113507​

Administered activity​

The calculated activity at the Radiopharmaceutical Start​

 

 

Time when the radiopharmaceutical is administered to​

 

 

thepatient.Theresidualactivity(i.e.,radiopharmaceutical​

 

 

not administered) , if measured, is reflected in the​

 

 

 

calculated value. The estimated extravasation is not​

 

 

 

reflected in the calculated value.​

 

113508​

Pre-Administration Measured​ Radioactivitymeasurementofradiopharmaceuticalbefore​

 

Activity​

or during the administration.​

 

113509​ Post-Administration Measured​Radioactivitymeasurementofradiopharmaceuticalafter​

 

Activity​

the administration.​

 

113510​

Drug Product Identifier​

Registered drug establishment code for product, coding​

 

 

scheme example is NDC or RxNorm​

 

113511​ Radiopharmaceutical Dispense​The human readable identification of the specific​

 

 

Unit Identifier​

radiopharmaceutical dispensedquantityordose("dose"​

 

 

as unit of medication delivery, not radiation dose​

 

 

 

measure) to be administered to the patient.​

 

- Standard -​

Page 1252​

DICOM PS3.16 2020a - Content Mapping Resource​

 

Code Value​

Code Meaning​

Definition​

Notes​

113512​

Radiopharmaceutical Lot​

Identifies the vial, batch or lot number from which the​

 

 

Identifier​

individual dispense radiopharmaceutical quantity (dose)​

 

 

 

is produced. The Radiopharmaceutical Dispense Unit​

 

 

 

Identifier records the identification for each individual​

 

 

 

dose.​

 

113513​

Reagent Vial Identifier​

Identifies the lot or unit serial number for the reagent​

 

 

 

component for the radiopharmaceutical.​

 

113514​

Radionuclide Vial Identifier​

Identifiesthelotorunitserialnumberfortheradionuclide​

 

 

 

component for the radiopharmaceutical.​

 

113516​

Prescription Identifier​

Administered Product's Prescription Number​

 

113517​

Organ Dose Information​

Informationpertainingtotheestimatedabsorbedradiation​

 

 

 

dose to an organ.​

 

113518​

Organ Dose​

The absorbed radiation dose to organ​

 

113520​

MIRD Pamphlet 1​

Reference authority​

 

 

 

MIRDPamphletNo.1(rev),SocietyofNuclearMedicine,​

 

 

 

1976​

 

113521​

ICRP Publication 53​

Reference authority​

 

 

 

ICRP, 1988. Radiation Dose to Patients from​

 

 

 

Radiopharmaceuticals. ICRP Publication 53. Ann. ICRP​

 

 

 

18 (1-4).​

 

113522​

ICRP Publication 80​

Reference authority​

 

 

 

ICRP, 1998. Radiation Dose to Patients from​

 

 

 

Radiopharmaceuticals (Addendum to ICRP Publication​

 

 

 

53). ICRP Publication 80. Ann. ICRP 28 (3).​

 

113523​

ICRP Publication 106​

Reference authority​

 

 

 

ICRP, 2008. Radiation Dose to Patients from​

 

 

 

Radiopharmaceuticals-Addendum3toICRPPublication​

 

 

 

53. ICRP Publication 106. Ann. ICRP 38 (1-2).​

 

113526​

MIRDOSE​

Reference authority​

 

 

 

Stabin MG, Sparks RB, Crowe E (1994)​

 

 

 

MIRDOSE:personalcomputersoftwareforinternaldose​

 

 

 

assessment in nuclear medicine [Computer program]​

 

113527​

OLINDA-EXM​

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]​

 

113528​

Package Insert​

Reference authority​

 

 

 

The reported organ dose is based on​

 

 

 

radiopharmaceutical's package insert.​

 

113529​

Institutionally Approved​

Reference authority​

 

 

Estimates​

The reported organ dose is based on Institutionally​

 

 

 

 

 

 

approvedestimatesfromtheRadioactiveDrugResearch​

 

 

 

Committee (RDRC) of the institution itself.​

 

- Standard -​

 

DICOM PS3.16 2020a - Content Mapping Resource​

Page 1253​

Code Value​

Code Meaning​

Definition​

Notes​

113530​

Investigational New Drug​

Reference authority​

 

 

 

The reported organ dose is based on an Investigation​

 

 

new drug.​

113540​

Activity Measurement Device​

The type of device that performed the activity​

 

 

measurement.​

113541​

Dose Calibrator​

The device that measures the radiation activity of the​

 

 

radiopharmaceutical​

113542​

Infusion System​

Radiopharmaceutical Infusion System​

113543​

Generator​

Radioisotope Generator​

113550​

Fasting Duration​

The number hours the patient has gone without food.​

113551​

Hydration Volume​

The amount of fluids the patient has consumed before​

 

 

the procedure.​

113552​

Recent Physical Activity​

A description of physical activity the patient performed​

 

 

beforethestartoftheprocedure,suchasthatwhichmay​

 

 

affect imaging agent biodistribution.​

113560​ Acute unilateral renal blockage​Blockage in one of the tubes (ureters) that drain urine​

 

 

from the kidneys​

113561​

Low Thyroid Uptake​

5% or less Thyroid Uptake of Iodine​

113562​

High Thyroid Uptake​

25% or higher Thyroid Uptake of Iodine​

113563​

Severely Jaundiced​

Thepatientexhibitssymptomssevereofjaundiceand/or​

 

 

has a Bilirubin >10 mg/dL.​

113568​

Extravasation visible in image​ Extravasationorparavenousadministrationoftheproduct​

 

 

is visible in the images.​

113570​

Cockroft-Gault Formula​

The measurement method of the Glomerular Filtration​

 

estimation of GFR​

Rate is Cockroft-Gault Formula​

113571​ CKD-EPI Formula estimation of​The measurement method of the Glomerular Filtration​

 

GFR​

Rate is CKD-EPI Formula​

113572​

Glomerular Filtration Rate​

The measurement method of the Glomerular Filtration​

 

(MDRD)​

Rate is MDRD​

113573​

Glomerular Filtration Rate​

The measurement method of the Glomerular Filtration​

 

non-black (MDRD)​

Rate is non-black MDRD​

113574​ Glomerular Filtration Rate black​The measurement method of the Glomerular Filtration​

 

(MDRD)​

Rate is black (MDRD)​

113575​

Glomerular Filtration Rate​

The measurement method of the Glomerular Filtration​

 

female (MDRD)​

Rate is female (MDRD)​

113576​

Glomerular Filtration Rate​

The measurement method of the Glomerular Filtration​

 

Cystatin-based formula​

Rate is Cystatin-based formula​

113577​

Glomerular Filtration Rate​

The measurement method of the Glomerular Filtration​

 

Creatinine-based formula​

Rate is Creatinine-based formula (Schwartz)​

 

(Schwartz)​

 

113601​ Small: < 32.0 cm lateral​

Small body thickness for calcium scoring adjustment.​

 

thickness​

Lateral thickness is measured from skin-to-skin, at the​

 

 

level of the proximal ascending aorta, from an A/P​

 

 

localizer image.​

113602​

Medium: 32.0-38.0 cm lateral​ Medium body thickness for calcium scoring adjustment.​

 

thickness​

Lateral thickness is measured from skin-to-skin, at the​

 

 

level of the proximal ascending aorta, from an A/P​

 

 

localizer image.​

- Standard -​

Page 1254​

DICOM PS3.16 2020a - Content Mapping Resource​

 

Code Value​

Code Meaning​

Definition​

Notes​

113603​ Large: > 38.0 cm lateral​

Large body thickness for calcium scoring adjustment.​

 

 

thickness​

Lateral thickness is measured from skin-to-skin, at the​

 

 

 

level of the proximal ascending aorta, from an A/P​

 

 

 

localizer image.​

 

113605​

Irradiation Event Label​

A human-readable label identifying an irradiation event.​

 

113606​

Label Type​

The type of a human-readable label.​

 

113607​

Series Number​

A number that identifies a Series. Corresponds to​

 

 

 

(0020,0011) in PS3.3.​

 

113608​

Acquisition Number​

A number that identifies an Acquisition. Corresponds to​

 

 

 

(0020,0012) in PS3.3.​

 

113609​

Instance Number​

A number that identifies an Instance. Corresponds to​

 

 

 

(0020,0013) in PS3.3.​

 

113611​

Stationary Acquisition​

Acquisition where the X-Ray source does not move in​

 

 

 

relation to the patient.​

 

113612​

Stepping Acquisition​

Acquisition where the X-Ray source moves laterally in​

 

 

 

relation to the patient.​

 

113613​

Rotational Acquisition​

Acquisition where the X-Ray source moves angularly in​

 

 

 

relation to the patient.​

 

113620​

Plane A​

Primary plane of a Biplane acquisition equipment.​

 

113621​

Plane B​

Secondary plane of a Biplane acquisition equipment.​

 

113622​

Single Plane​

Single plane acquisition equipment.​

 

113630​

Continuous​

Continuous X-Ray radiation is applied during an​

 

 

 

irradiation event.​

 

113631​

Pulsed​

Pulsed X-Ray radiation is applied during an irradiation​

 

 

 

event.​

 

113650​

Strip filter​

Filter with uniform thickness.​

 

113651​

Wedge filter​

Filter with variation in thickness from one edge to the​

 

 

 

opposite edge.​

 

113652​

Butterfly filter​

Filter with two triangular sections.​

 

113653​

Flat filter​

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.​

 

113661​

Outline of lobulations​

A polyline defining the outline of a lobulated finding.​

 

113662​ Inner limits of fuzzy margin​

A polyline defining the inner limits of a finding with fuzzy​

 

 

 

margin.​

 

113663​ Outer limits of fuzzy margin​

A polyline defining the outer limits of a finding with fuzzy​

 

 

 

margin.​

 

113664​

Outline of spiculations​

A polyline defining the outline of the spiculations of a​

 

 

 

finding.​

 

113665​

Linear spiculation​

A polyline segment graphically indicating the location​

 

 

 

and direction of a spiculation of a finding.​

 

113666​

Pixelated spiculations​

A collection of points indicating the pixel locations of the​

 

 

 

spiculations of a finding.​

 

113669​

Orthogonal location arc​

Connectedlinesegmentsindicatingthecenteroflocation​

 

 

 

of a finding on an orthogonal view.​

 

113670​ Orthogonal location arc inner​

Connected line segments indicating the inner margin of​

 

 

margin​

the location of a finding on an orthogonal view.​

 

- Standard -​

 

DICOM PS3.16 2020a - Content Mapping Resource​

Page 1255​

Code Value​

Code Meaning​

Definition​

Notes​

113671​

Orthogonal location arc outer​

Connectedlinesegmentsindicatingtheouterlocationof​

 

margin​

a finding on an orthogonal view.​

 

113680​

Quality Control Intent​

This procedure is intended to gather data that is used​

 

 

 

for calibration or other quality control purposes.​

 

113681​

Phantom​

An artificial subject of an imaging study.​

 

113682​

ACR Accreditation Phantom -​ A phantom acceptable for the ACR Computed​

 

 

CT​

Tomography Accreditation program.​

 

113683​

ACR Accreditation Phantom -​ AphantomacceptablefortheACRMagneticResonance​

 

MR​

Imaging Accreditation program.​

 

113684​

ACR Accreditation Phantom -​ A phantom acceptable for the ACR Mammography​

 

 

Mammography​

Accreditation program.​

 

113685​

ACR Accreditation Phantom -​ A phantom acceptable for the ACR Stereotactic Breast​

 

Stereotactic Breast Biopsy​

Biopsy Accreditation program.​

 

113686​

ACR Accreditation Phantom -​ AphantomacceptablefortheACRSPECTAccreditation​

 

ECT​

program (but not for PET).​

 

113687​

ACR Accreditation Phantom -​ A phantom acceptable for the ACR PET Accreditation​

 

 

PET​

program (but not for SPECT).​

 

113688​

ACR Accreditation Phantom -​ A SPECT phantom with a PET faceplate acceptable for​

 

ECT/PET​

both the ACR SPECT and PET Accreditation programs.​

113689​

ACR Accreditation Phantom -​ A PET faceplate (made to fit an existing flangeless or​

 

 

PET Faceplate​

flanged ECT phantom) acceptable for the ACR PET​

 

 

 

Accreditation program.​

 

113690​

IEC Head Dosimetry Phantom​A phantom used for CTDI measurement in head modes​

 

 

according to IEC 60601-2-44, Ed.2.1 (Head 16 cm​

 

 

 

diameter Polymethyl methacrylate PMMA).​

 

113691​

IEC Body Dosimetry Phantom​A phantom used for CTDI measurement in body modes​

 

 

according to IEC 60601-2-44, Ed.2.1 (Body 32cm​

 

 

 

diameter Polymethyl methacrylate PMMA).​

 

113692​

NEMA XR21-2000 Phantom​

A phantom in accordance with NEMA standard​

 

 

 

XR-21-2000.​

 

113701​

X-Ray Radiation Dose Report​ X-Ray Radiation Dose Report.​

 

113702​

Accumulated X-Ray Dose Data​X-Ray dose data accumulated over multiple irradiation​

 

 

events. E.g., for a study or a performed procedure step.​

113704​

Projection X-Ray​

Imaging using a point X-Ray source with a diverging​

 

 

 

beam projected onto a 2 dimensional detector.​

 

113705​

Scope of Accumulation​

Entity over which dose accumulation values are​

 

 

 

integrated.​

 

113706​

Irradiation Event X-Ray Data​

X-Ray dose data for a single Irradiation Event.​

 

113710​

Niobium or Niobium compound​Material containing Niobium or a Niobium compound​

Retired. Replaced by​

 

 

 

(767776000,SCT,"Niobium")​

113711​

Europium or Europium​

Material containing Europium or a Europium compound​Retired. Replaced by​

 

compound​

 

(767775001, SCT,​

 

 

 

"Europium")​

113720​

Calibration Protocol​

Describes the method used to derive the calibration​

 

 

 

factor.​

 

113721​

Irradiation Event Type​

Denotes the type of irradiation event recorded.​

 

113722​

Dose Area Product Total​

Total calculated Dose Area Product (in the scope of the​

 

 

including report).​

 

- Standard -​

Page 1256​

DICOM PS3.16 2020a - Content Mapping Resource​

 

Code Value​

Code Meaning​

Definition​

Notes​

113723​

Calibration DateTime​

Last calibration DateTime for the integrated dose meter​

 

 

or dose calculation.​

 

113724​ Calibration Responsible Party​ Individual or organization responsible for calibration.​

 

113725​

Dose (RP) Total​

TotalDoserelatedtoReferencePoint(RP).(inthescope​

 

 

of the including report).​

 

113726​ Fluoro Dose Area Product Total​Total calculated Dose Area Product applied in​

 

 

 

FluoroscopyModes(inthescopeoftheincludingreport).​

113727​ Acquisition Dose Area Product​TotalcalculatedDoseAreaProductappliedinAcquisition​

 

Total​

Modes (in the scope of the including report).​

 

113728​ Fluoro Dose (RP) Total​

DoseappliedinFluoroscopyModes,relatedtoReference​

 

 

Point (RP). (in the scope of the including report).​

 

113729​ Acquisition Dose (RP) Total​

DoseappliedinAcquisitionModes,relatedtoReference​

 

 

Point (RP). (in the scope of the including report).​

 

113730​

Total Fluoro Time​

TotalaccumulatedclocktimeofFluoroscopyinthescope​

 

 

of the including report (i.e., the sum of the Irradiation​

 

 

 

Duration values for accumulated fluoroscopy irradiation​

 

 

events).​

 

113731​ Total Number of Radiographic​Accumulated Count of exposure pulses (single or​

 

 

Frames​

multi-frame encoded) created from irradiation events​

 

 

 

performed with high dose (acquisition).​

 

113732​

Fluoro Mode​

Mode of application of X-Rays during Fluoroscopy.​

 

113733​

KVP​

AppliedX-RayTubevoltageatpeakofX-Raygeneration,​

 

 

in kilovolts; Mean value if measured over multiple peaks​

 

 

(pulses).​

 

113734​

X-Ray Tube Current​

Mean value of applied Tube Current.​

 

113735​

Exposure Time​

CumulativetimethepatienthasreceivedX-Rayexposure​Retired. Replaced by​

 

 

during the irradiation event​

(113824, DCM, "Exposure​

 

 

 

Time").​

113736​

Exposure​

Mean value of X-Ray Current Time product.​

 

113737​ Distance Source to Reference​Distance to the Reference Point (RP) defined according​

 

Point​

to IEC 60601-2-43 or equipment defined.​

 

113738​

Dose (RP)​

Dose applied at the Reference Point (RP).​

 

113739​

Positioner Primary End Angle​ Positioner Primary Angle at the end of an irradiation​

 

 

 

event. For further definition see (112011, DCM,​

 

 

 

"Positioner Primary Angle").​

 

113740​

PositionerSecondaryEndAngle​Positioner Secondary Angle at the end of an irradiation​

 

 

event. For further definition see (112012, DCM,​

 

 

 

"Positioner Secondary Angle").​

 

113742​

Irradiation Duration​

Clock time from the start of loading time of the first pulse​

 

 

until the loading time trailing edge of the final pulse in​

 

 

 

the same irradiation event.​

 

 

 

Note​

 

 

 

LoadingtimeisdefinedinIEC60601-1-3:2008,​

 

 

 

3.37, and described in IEC 60601-2-54:2009,​

 

 

 

203.4.101.3.​

 

113743​

Patient Orientation​

Orientation of the Patient with respect to Gravity.​

 

113744​

Patient Orientation Modifier​

Enhances or modifies the Patient orientation specified​

 

 

 

in Patient Orientation.​

 

- Standard -​

 

DICOM PS3.16 2020a - Content Mapping Resource​

Page 1257​

Code Value​

Code Meaning​

Definition​

Notes​

113745​

Patient Table Relationship​

Orientation of the Patient with respect to the Head of the​

 

 

 

Table.​

 

113748​

Distance Source to Isocenter​

DistancefromtheX-RaySourcetotheEquipmentC-Arm​

 

 

 

Isocenter.(Center of Rotation).​

 

113750​

Distance Source to Detector​

Measured or calculated distance from the X-Ray source​

 

 

 

to the detector plane in the center of the beam.​

 

113751​

Table Longitudinal Position​

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.​

 

113752​

Table Lateral Position​

TableLateralPositionwithrespecttoanarbitrarychosen​

 

 

 

reference by the equipment. Table motion towards CRA​

 

 

 

ispositiveassumingthatthepatientispositionedsupine​

 

 

 

and its head is in normal position.​

 

113753​

Table Height Position​

TableHeightPositionwithrespecttoanarbitrarychosen​

 

 

 

reference by the equipment in (mm). Table motion​

 

 

 

downwards is positive.​

 

113754​

Table Head Tilt Angle​

Angleofthehead-feetaxisofthetableindegreesrelative​See “Table Coordinate​

 

 

to the horizontal plane. Positive values indicate that the​System” in PS3.3.​

 

 

head of the table is upwards.​

 

113755​ TableHorizontalRotationAngle​Rotation of the table in the horizontal plane (clockwise​See “Table Coordinate​

 

 

when looking from above the table).​

System” in PS3.3.​

113756​

Table Cradle Tilt Angle​

Angle of the left-right axis of the table in degrees relative​See “Table Coordinate​

 

 

to the horizontal plane. Positive values indicate that the​System” in PS3.3.​

 

 

left of the table is upwards.​

 

113757​

X-Ray Filter Material​

X-Ray absorbing material used in the filter.​

 

113758​ X-RayFilterThicknessMinimum​TheminimumthicknessoftheX-Rayabsorbingmaterial​

 

 

used in the filters.​

 

113759​ Table Longitudinal End Position​Table Longitudinal Position at the end of an irradiation​

 

 

 

event;see(113751,DCM,"TableLongitudinalPosition").​

113760​

Table Lateral End Position​

Table Lateral Position at the end of an irradiation event;​

 

 

see (113752, DCM, "Table Lateral Position").​

 

113761​

Table Height End Position​

Table Height Position at the end of an irradiation event;​

 

 

see (113753, DCM, "Table Height Position").​

 

113763​

Calibration Uncertainty​

Uncertainty of the 'actual' value.​

 

113764​

Acquisition Plane​

Identification of Acquisition Plane with Biplane systems.​

113766​

Focal Spot Size​

Nominal Size of Focal Spot of X-Ray Tube.​

 

113767​

Average X-Ray Tube Current​ Average X-Ray Tube Current averaged over time for​

 

 

 

pulse or for continuous Fluoroscopy.​

 

113768​

Number of Pulses​

Number of pulses applied by X-Ray systems during an​

 

 

irradiation event (acquisition run or pulsed fluoro).​

 

113769​

Irradiation Event UID​

Unique identification of a single irradiation event.​

 

113770​

Column Angulation​

Angle of the X-Ray beam in degree relative to an​

 

 

 

orthogonal axis to the detector plane.​

 

113771​

X-Ray Filters​

Devicesusedtomodifytheenergyorenergydistribution​

 

 

of X-Rays.​

 

113772​

X-Ray Filter Type​

Type of filter(s) inserted into the X-Ray beam. E.g.,​

 

 

 

wedges.​

 

- Standard -​

Page 1258​

DICOM PS3.16 2020a - Content Mapping Resource​

 

Code Value​

Code Meaning​

Definition​

Notes​

113773​

X-Ray Filter Thickness​

ThemaximumthicknessoftheX-Rayabsorbingmaterial​

 

 

Maximum​

used in the filters.​

 

113780​

Reference Point Definition​

System provided definition of the Reference Point used​

 

 

 

for Dose calculations.​

 

113788​

Collimated Field Height​

Distance between the collimator blades in pixel column​

 

 

 

direction as projected at the detector plane.​

 

113789​

Collimated Field Width​

Distance between the collimator blades in pixel row​

 

 

 

direction as projected at the detector plane.​

 

113790​

Collimated Field Area​

Collimated field area at image receptor. Area for​

 

 

 

compatibility with IEC 60601-2-43.​

 

113791​

Pulse Rate​

Pulse rate applied by equipment during Fluoroscopy.​

 

113792​ Distance Source to Table Plane​Measured or calculated distance from the X-Ray source​

 

 

 

to the table plane in the center of the beam.​

 

113793​

Pulse Width​

(Average) X-Ray pulse width.​

 

113794​

Dose Measurement Device​

Calibrated device to perform dose measurements.​

 

113795​

Acquired Image​

Image acquired during a specified event.​

 

113800​ DLP to E conversion via MC​

Effective Dose evaluation from the product of Dose​

 

 

computation​

LengthProduct(DLP)andtheEffectiveDoseConversion​

 

 

 

Factor (E/DLP in units of mSv/mGy-cm), where the ratio​

 

 

 

is derived by means of Monte Carlo computations.​

 

113801​ CTDIfreeair to E conversion via​Effective Dose evaluation from the product of the Mean​

 

 

MC computation​

CTDIfreeair and the ratio E/CTDIfreeair (mSv/mGy),​

 

 

 

where the ratio is derived by means of Monte Carlo​

 

 

 

computations.​

 

113802​ DLP to E conversion via​ measurement​

Effective Dose evaluation from the product of Dose​ LengthProduct(DLP)andtheEffectiveDoseConversion​ Factor (E/DLP in units of mSv/mGy-cm), where the ratio​ is derived by means of dosimetric measurements with​ an anthropomorphic phantom.​

113803​ CTDIfreeair to E conversion via​Effective Dose evaluation from the product of the Mean​

 

measurement​

CTDIfreeair and the ratio E/CTDIfreeair (mSv/mGy),​

 

 

where the ratio is derived by means of dosimetric​

 

 

measurements with an anthropomorphic phantom.​

113804​

Sequenced Acquisition​

The CT acquisition was performed by acquiring single​

 

 

ormultidetectordatawhilerotatingthesourceaboutthe​

 

 

gantrywhilethetableisnotmoving.Additionalslicesare​

 

 

acquired by incrementing the table position and again​

 

 

rotatingthesourceaboutthegantrywhilethetableisnot​

 

 

moving.​

113805​

Constant Angle Acquisition​

TheCTacquisitionwasperformedbyholdingthesource​

 

 

at a constant angle and moving the table to obtain a​

 

 

projection image. E.g., localizer.​

113806​

Stationary Acquisition​

The CT acquisition was performed by holding the table​

 

 

at a constant position and acquiring multiple slices over​

 

 

time at the same location.​

113807​

Free Acquisition​

The CT acquisition was performed while rotating the​

 

 

source about the gantry while the table movement is​

 

 

under direct control of a human operator or under the​

 

 

control of an analysis application. E.g., fluoro.​

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DICOM PS3.16 2020a - Content Mapping Resource​

Page 1259​

Code Value​

Code Meaning​

Definition​

Notes​

113808​

ICRP Pub 60​

Reference authority​

 

 

 

1990RecommendationsoftheInternationalCommission​

 

 

on Radiological Protection (ICRP Publication 60,​

 

 

published as the Annals of the ICRP Vol. 21, No. 1-3,​

 

 

Pergamon Press,1991).​

113809​ Start of X-Ray Irradiation​

Start DateTime of the first X-Ray Irradiation Event of the​

 

 

accumulation within a Study.​

113810​ End of X-Ray Irradiation​

End DateTime of the last X-Ray Irradiation Event of the​

 

 

accumulation within a Study.​

113811​ CT Accumulated Dose Data​

X-Ray dose accumulated over multiple CT irradiation​

 

 

events. E.g., for a study or a performed procedure step.​

113812​ Total Number of Irradiation​

Total number of events during the defined scope of​

 

Events​

accumulation.​

113813​ CT Dose Length Product Total​The total dose length product defined scope of​

 

 

accumulation.​

113814​ CT Effective Dose Total​

The total Effective Dose at the defined scope of​

 

 

accumulation.​

113815​

Patient Model​

Identification of the reference-patient model used when​

 

 

EffectiveDoseisevaluatedviaMonteCarlocalculations​

 

 

or from a Dose Length Product conversion factor based​

 

 

on Monte Carlo calculations.​

113816​

Condition Effective Dose​

References the physical phantom and the type of​

 

measured​

dosimeter used when measurements are done to​

 

 

establish Effective Dose Conversion Factors (E/DLP) or​

 

 

ratios E/CTDIfreeair.​

113817​ Effective Dose Phantom Type​Type of Effective Dose phantom used.​

113818​

Dosimeter Type​

Type of dosimeter used.​

113819​

CT Acquisition​

General description of the CT Irradiation event.​

113820​

CT Acquisition Type​

Method of the CT acquisition.​

113821​

X-Ray Filter Aluminum​

Thickness of an equivalent filter in mm in Aluminum.​

 

Equivalent​

 

113822​

CT Acquisition Parameters​

General description of the acquisition parameters.​

113823​ Number of X-Ray Sources​

Number of X-Ray sources.​

113824​

Exposure Time​

Total time the patient has received X-Ray exposure​

 

 

during the irradiation event.​

113825​

Scanning Length​

Length of the table travel during the entire tube loading,​

 

 

according to IEC 60601-2-44​

 

 

Note​

 

 

Scanning Length might be longer than the​

 

 

programmed acquisition length (Length of​

 

 

Reconstructable Volume)​

113826​

Nominal Single Collimation​

Thevalueofthenominalwidthreferencedtothelocation​

 

Width​

of the isocenter along the z axis of a single row of​

 

 

acquired data in mm.​

113827​ NominalTotalCollimationWidth​Thevalueofthenominalwidthreferencedtothelocation​ of the isocenter along the z axis of the total collimation​ in mm over the area of active X-Ray detection.​

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Page 1260​

DICOM PS3.16 2020a - Content Mapping Resource​

 

Code Value​

Code Meaning​

Definition​

Notes​

113828​

Pitch Factor​

For Spiral scanning: Pitch Factor = (Table Feed per​

 

 

 

Rotation (mm)) /(Nominal Total Collimation Width (mm))​

 

 

 

For Sequenced scanning: Pitch Factor = (Table Feed​

 

 

 

per single Sequenced scan (mm)) /(Nominal Total​

 

 

 

Collimation Width (mm)).​

 

113829​

CT Dose​

General description of CT dose values.​

 

113830​

Mean CTDIvol​

"Mean CTDIvol" refers to the average value of the​

 

 

 

CTDIvol associated with this acquisition.​

 

113831​ CT X-Ray Source Parameters​Identification, tube-potential, tube-current, and​

 

 

 

exposure-time parameters associated with an X-Ray​

 

 

 

source during an acquisition.​

 

113832​ Identification of the X-Ray​

Identifies the particular X-Ray source (in a multi-source​

 

 

Source​

CTsystem)forwhichthesetofX-Raysourceparameter​

 

 

 

values is reported.​

 

113833​ Maximum X-Ray Tube Current​Maximum X-Ray tube current.​

 

113834​ Exposure Time per Rotation​

The exposure time for one rotation of the source around​

 

 

 

the object in s.​

 

113835​

CTDIw Phantom Type​

A label describing the type of phantom used for CTDIW​

 

 

 

measurement according to IEC 60601-2-44 (Head 16​

 

 

 

cm diameter PMMA, Body 32 cm diameter PMMA).​

 

113836​ CTDIfreeair Calculation Factor​The CTDIfreeair Calculation Factor is the CTDIfreeair​

 

 

 

per mAs, expressed in units of mGy/mAs. The​

 

 

 

CTDIfreeair Calculation Factor may be used in one​

 

 

 

method calculating Dose.​

 

113837​

Mean CTDIfreeair​

The average value of the free-in-air CTDI associated​

 

 

 

with this acquisition.​

 

113838​

DLP​

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​

 

 

 

Scanning Length. For Sequenced scanning, DLP =​

 

 

 

CTDIvol NominalTotalCollimationWidth Cumulative​

 

 

 

Exposure Time / Exposure Time per Rotation. For​

 

 

 

StationaryandFreescanning,DLP=CTDIvol Nominal​

 

 

 

Total Collimation Width.​

 

113839​

Effective Dose​

Effective dose in mSv.​

 

113840​

Effective Dose Conversion​

Effective Dose per DLP, reference value for Effective​

 

 

Factor​

Dose calculation, expressed in mSv/mGY.cm.​

 

113841​

ICRP Pub 103​

Effective Dose Reference authority​

 

 

 

2007RecommendationsoftheInternationalCommission​

 

 

 

on Radiological Protection (ICRP Publication 103,​

 

 

 

published as the Annals of the ICRP Vol. 37, No. 2-4,​

 

 

 

Elsevier, 2007).​

 

113842​

X-Ray Modulation Type​

The type of exposure modulation used for the purpose​

 

 

 

of limiting the dose.​

 

113845​

Exposure Index​

Measure of the detector response to radiation in the​

 

 

 

relevantimageregionofanimageacquiredwithadigital​

 

 

 

X-Ray imaging system as defined in IEC 62494-1; see​

 

 

 

PS3.3 definition of Exposure Index Macro.​

 

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