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Retired.​

Replaced by (WF0Z, IBSI,​

"Inverse Difference Moment​

of GLCM").​

126063​

Contrast of GLCM​

The sum of squares of a Gray Level Co-occurrence​

Distinct from "joint (sum of​

Matrix (GLCM). A measure of gray level variations.​

squares) variance" and​

Abbreviated CON.​

"dissimilarity".​

See Fcm.contrast in [IBSI Features].​

Retired.​

Replaced by (ACUI, IBSI,​

"Contrast of GLCM").​

126064​

Dissimilarity of GLCM​

The dissimilarity of a Gray Level Co-occurrence Matrix​Distinctfrom"contrast",which​

(GLCM). Abbreviated DIS.​

uses square rather than​

absolute value of difference.​

DICOM PS3.16 2020a - Content Mapping Resource​

Page 1317​

Code Value​

Code Meaning​

Definition​

Notes​

126065​ Angular Second Moment of​

The Angular Second Moment of a Gray Level​

Sometimes referred to as​

GLCM​

Co-occurrence Matrix (GLCM). Abbreviated ASM.​

"energy", "uniformity" or​

See Fcm.energy in [IBSI Features].​

"uniformityofenergy"butthen​

potentially confused with​

square root of ASM.​

Retired.​

Replaced by (8ZQL, IBSI,​

"Angular Second Moment of​

GLCM").​

126066​

Correlation of GLCM​

A measure of the linear dependency of gray levels on​ Correlation is NaN for a​

those of neighbouring pixels of a Gray Level​

constant image.​

Co-occurrence Matrix (GLCM). Abbreviated COR.​

Retired.​

See Fcm.corr in [IBSI Features].​

Replaced by (NI2N, IBSI,​

"Correlation of GLCM").​

126067​

Gray Level Co-occurrence​

A tabulation of how often different combinations of pixel​

Matrix​

values (gray levels) occur in an image. Abbreviated​

GLCM.​

See [IBSI Features].​

126070​ Subject Time Point Identifier​

Anidentifierofaspecifictimepointinacontinuum,which​

is unique within an appropriate local context (such as an​

entireorganization,systemortreatmentprotocol),which​

identifies the time point for a specific patient.​

126071​ Protocol Time Point Identifier​

Anidentifierofaspecifictimepointinacontinuum,which​

is unique within an appropriate local context (such as an​

entireorganization,systemortreatmentprotocol),which​

identifies the time point "slot" within a treatment protocol​

using the same value for all patients in the protocol.​

126072​

Time Point Type​

Apre-definedtypeofaspecifictimepointinacontinuum.​

126073​

Time Point Order​

A number indicating the order of a time point relative to​

other time points in the same continuum.​

126074​

Posttreatment​

The time after the treatment of interest.​

126075​

Eligibility​

For the purpose of determining eligibility for a protocol.​Similar but not identical to​

(21954-3, LN, "Protocol​

eligibility status Cancer"),​

since not constrained to​

cancer, etc.​

126080​

RECIST 1.0​

Response Evaluation Criteria in Solid Tumors version​ More specific than (112022,​

1.0. See [RECIST] in Normative References.​

DCM, "RECIST") or​

(C1709926, UMLS,​

"RECIST") or (C49164, NCIt,​

"RECIST") in that a specific​

version is specified.​

126081​

RECIST 1.1​

Response Evaluation Criteria in Solid Tumors Version​More specific than (112022,​

1.1. See Eisenhauer et al. "New Response Evaluation​DCM, "RECIST") or​

Criteria in Solid Tumours: Revised RECIST Guideline​ (C1709926, UMLS,​

(version 1.1)." European Journal of Cancer 45, no. 2​

"RECIST") or (C49164, NCIt,​

(n.d.): 228-47. doi:10.1016/j.ejca.2008.10.026.​

"RECIST") in that a specific​

version is specified.​

Page 1318​

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Code Value​

Code Meaning​

Definition​

Notes​

126100​ Real World Value Map used for​A reference to the Real World Value Map applied to the​

measurement​

stored image pixel values before their use for a​

measurement​

126200​

Image Library Group​

Acontainerthatgroupscommoninformationaboutaset​

of images used as evidence to produce a report.​

126201​

Acquisition Date​

The date the acquisition of data started​

126202​

Acquisition Time​

The time the acquisition of data started​

126203​

PET Radionuclide Incubation​

The time between the start of injection of the PET​

Time​

radionuclide and the start of acquisition of the PET data.​

126220​

R2-Coefficient​

Coefficient of determination, R2. An indication of​

goodness of fit.​

126221​

Chi-square​

Pearson's Χ2 test.​

126222​

D-W​

Durbin-Watson statistic for detecting serial correlation in​

residuals.​

See http://en.wikipedia.org/wiki/​

Durbin%E2%80%93Watson_statistic.​

126223​

AIC​

Akaike information criterion. A measure of the balance​

betweengoodnessoffitandnumberoffreeparameters.​

See Akaike H. A new look at the statistical model​

identification. IEEE Transactions on Automatic Control.​

1974 Dec;19(6):716-23. http://dx.doi.org/10.1109/​

TAC.1974.1100705.​

126224​

BIC​

Bayesianinformationcriterion.Ameasureofthebalance​

between goodness of fit and model complexity.​

See http://en.wikipedia.org/wiki/​

Bayesian_information_criterion.​

126300​ Perfusion analysis by Stable​

Perfusion analysis by Stable Xenon CT technique​

Xenon CT technique​

126301​ Perfusion analysis by IV​

PerfusionanalysisbyIVIodinatedContrastCTtechnique​

IodinatedContrastCTtechnique​

126302​ Perfusion analysis by Arterial​

Perfusion analysis by Arterial Spin Labeling (ASL) MR​

Spin Labeling MR technique​

technique​

126303​

Perfusion analysis by​

Perfusion analysis by Susceptibility (T2*) MR technique​

Susceptibility MR technique​

126310​ Least Mean Square (LMS)​

Least Mean Square (LMS) deconvolution​

deconvolution​

126311​ Singular Value Decomposition​Singular Value Decomposition (SVD) deconvolution​

(SVD) deconvolution​

126312​

Ktrans​

Ktrans, the volume transfer constant of a tracer diffusion​

kinetic model, specifically the volume transfer constant​

between blood plasma and extravascular extracellular​

space (EES)​

See Tofts et al, "Estimating Kinetic Parameters From​

Dynamic Contrast-Enhanced T1-Weighted MRI of a​

DiffusableTracer:StandardizedQuantitiesandSymbols",​

Journal of Magnetic Resonance Imaging, vol. 10, pp.​

223-232, 1999.​

126314​

ve​

ve, the fractional (not absolute) volume of extravascular​

extracellular space (EES) per unit volume of tissue​

See Tofts et al, "Estimating Kinetic Parameters From​

Dynamic Contrast-Enhanced T1-Weighted MRI of a​

DiffusableTracer:StandardizedQuantitiesandSymbols",​

Journal of Magnetic Resonance Imaging, vol. 10, pp.​

223-232, 1999.​

126320​

IAUC​

The initial area under the contrast agent​

concentration-time curve​

126321​

IAUC60​

The initial area under the contrast agent​

concentration-time curve at 60 seconds after the onset​

time​

126322​

IAUC90​

The initial area under the contrast agent​

concentration-time curve at 90 seconds after the onset​

time​

126323​

IAUC180​

The initial area under the contrast agent​

concentration-time curve at 180 seconds after the onset​

time​

126324​

IAUCBN​

The initial area under the contrast agent​

concentration-time curve, normalized with the​

corresponding arterial input function, such that IAUCBN​

= IAUC / IAUCAIF.​

126325​

IAUCBN60​

The initial area under the contrast agent​

concentration-time curve at 60 seconds after the onset​

time, normalized with the corresponding arterial input​

function, such that IAUC60BN = IAUC60 / IAUC60AIF.​

126326​

IAUCBN90​

The initial area under the contrast agent​

concentration-time curve at 90 seconds after the onset​

time, normalized with the corresponding arterial input​

function, such that IAUC90BN = IAUC90 / IAUC90AIF.​

126327​

AUCBN180​

The initial area under the contrast agent​

concentration-time curve at 180 seconds after the onset​

time, normalized with the corresponding arterial input​

function,suchthatIAUC180BN =IAUC180/IAUC180AIF.​

126330​

tau_m​

τm. The mean intracellular water lifetime (τi). Used in the​

Shutter-Speed Model (SSM) of tracer kinetics.​

126331​

vp​

vp. The fractional (not absolute) blood plasma volume​

per unit volume of tissue.​

Page 1320​

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Code Value​

Code Meaning​

Definition​

Notes​

126340​

Standard Tofts Model​

A tracer diffusion kinetic model in which the permeability​

is assumed to be isodirectional.​

See P. Tofts, "Modeling tracer kinetics in dynamic​

Gd-DTPAMRimaging",JournalofMagneticResonance​

Imaging, vol. 7, pp. 91-101, 1997.​

MathematicallyequivalenttothemodelproposedbyKety​

in a non-MRI context, hence sometimes refered to as​

theTofts-Kety(TK)model.SeeKetySS.TheTheoryand​

Applications of the Exchange of Inert Gas at the Lungs​

and Tissues. Pharmacological Reviews. 1951 Mar​

1;3(1):1-41.​

126341​ Extended Tofts Model​

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.​

126343​ First Pass Leakage Profile​

A tracer diffusion kinetic model that accounts for the​

(FPLP) Model​

tumor leakage profile during the first pass of contrast.​