DICOM PS3.16 2019b - Content Mapping Resource

CID 4109 Model-Independent Dynamic Contrast Analysis Parameters

Resources:

HTML | FHIR JSON | FHIR XML | IHE SVS XML

Type:

Extensible

Version:

20150916

UID:

1.2.840.10008.6.1.994

Table CID 4109. Model-Independent Dynamic Contrast Analysis Parameters

Coding Scheme Designator

Code Value

Code Meaning

SNOMED-RT ID

UMLS Concept Unique ID

Units

DCM

126320

IAUC

DT (mmol/l.s, UCUM, "mmol/l.s")

DCM

126321

IAUC60

DT (mmol/l.s, UCUM, "mmol/l.s")

DCM

126322

IAUC90

DT (mmol/l.s, UCUM, "mmol/l.s")

DCM

126323

IAUC180

DT (mmol/l.s, UCUM, "mmol/l.s")

DCM

126324

IAUCBN

DT {normalized}, UCUM, "normalized"

DCM

126325

IAUC60BN

DT {/AIF}, UCUM, "/AIF"

DCM

126326

IAUC90BN

DT {/AIF}, UCUM, "/AIF"

DCM

126327

IAUC180BN

DT {/AIF}, UCUM, "/AIF"

DCM

126370

Time of Peak Concentration

DT (s, UCUM, "s")

DCM

126372

Time of Leading Half-Peak Concentration

DT (s, UCUM, "s")

DCM

126371

Bolus Arrival Time

DT (s, UCUM, "s")

DCM

113069

Time To Peak

DT (s, UCUM, "s")

DCM

126374

Temporal Derivative Threshold

DCM

126375

Maximum Slope

DCM

126376

Maximum Difference

DCM

126377

Tracer Concentration

DT (mmol/l, UCUM, "mmol/l")


Note

(126326, DCM, "IAUC90BN") can be used for DCE-MRI using a Gd-based contrast agent to represent the IAUGCBN measurement in the claim of the QIBA DCE MRI Quantification Profile, though the concept itself is not specific to the modality or the contast agent used. See http://www.rsna.org/QIBA_Protocols_and_Profiles.aspx. See also Ng, CS., et al. "Reproducibility of Perfusion Parameters in Dynamic Contrast-Enhanced MRI of Lung and Liver Tumors: Effect on Estimates of Patient Sample Size in Clinical Trials and on Individual Patient Responses." AJR 194, no. 2 (February 1, 2010): W134-40. http://dx.doi.org/10.2214/AJR.09.3116.

The type of contrast agent and the AIF used for blood normalization may or may not be post-coordinated.

E.g., voxel-wise IAUCBN measurements encoded as a parametric map with the quantity defined by the Quantity Definition Sequence (0040,9220) in a Real World Value Map might be encoded as:

(246205007, SCT, "Quantity") = (126326, DCM, "IAUC90BN")

(370129005, SCT, "Measurement Method") = (126362, DCM, "User-defined AIF ROI")

(123011, DCM, "Contrast Bolus/Agent") = (58281002, SCT, "Gadolinium")

E.g., an IAUCBN measurement for an ROI encoded in a structured report might be encoded as:

NUM (126326, DCM, "IAUC90BN") = 0.230 (UNITS = ({normalized}, UCUM, "normalized")

>HAS CONCEPT MOD: CODE (370129005, SCT, "Measurement Method") = (126364, DCM, "Blind Estimation of AIF")

Note that the generic ROI measurement templates do not have the contrast/bolus agent as a parameter; this may be implicit from context, or inherited from the (121058, DCM,"Procedure reported") in the parent template.

DICOM PS3.16 2019b - Content Mapping Resource