DICOM PS3.3 2019c - Information Object Definitions

A.75.5 Parametric Map Functional Groups (Current)
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### A.75.5 Parametric Map Functional Groups

Table A.75-2 specifies the use of the Functional Group Macros used in the Multi-frame Functional Groups Module for the Parametric Map IOD.

Table A.75-2. Parametric Map Functional Group Macros

Functional Group Macro | Section | Usage
--- | --- | ---
Pixel Measures | C.7.6.16.2.1 | M
Plane Position (Patient) | C.7.6.16.2.3 | C – Required if the Frame of Reference is defined in the patient-relative Reference Coordinate System.
Plane Orientation (Patient) | C.7.6.16.2.4 | C – Required if the Frame of Reference is defined in the patient-relative Reference Coordinate System.
Plane Position (Slide) | C.8.12.6.1 | C - Required if the Frame of Reference is defined in the Slide Coordinate System.
Referenced Image | C.7.6.16.2.5 | U
Derivation Image | C.7.6.16.2.6 | C - Required if the image or frame has been derived from another SOP Instance.
Frame Content | C.7.6.16.2.2 | M - Shall not be used as a Shared Functional Group
Cardiac Synchronization | C.7.6.16.2.7 | U
Frame Anatomy | C.7.6.16.2.8 | M
Identity Pixel Value Transformation | C.7.6.16.2.9b | M
Frame VOI LUT With LUT | C.7.6.16.2.10b | M
Real World Value Mapping | C.7.6.16.2.11 | M
Contrast/Bolus Usage | C.7.6.16.2.12 | U
Respiratory Synchronization | C.7.6.16.2.17 | U
Stored Value Color Range | C.7.6.16.2.26 | C - Required if Pixel Presentation (0008,9205) in the Parametric Map Image Module equals COLOR_RANGE.
Parametric Map Frame Type | C.8.32.3.1 | M
Unassigned Shared Converted Attributes | C.7.6.16.2.25.1 | U - May not be used as a Per-Frame Functional Group
Unassigned Per-Frame Converted Attributes | C.7.6.16.2.25.2 | U - May not be used as a Shared Functional Group

#### A.75.5.1 Parametric Map Functional Groups Description

For the Derivation Image Functional Group Macro, the Baseline CID for:

- Purpose of Reference Sequence (0040,A170) is CID 7222 “Parametric Map Derivation Image Purpose of Reference”.

- Derivation Code Sequence (0008,9215) is CID 7203 “Image Derivation”.

For the Real World Value Mapping Functional Group Macro, which defines the type of quantity, the method of generation and the units for the pixel values, the Baseline CID for:

- Concept Name Code Sequence of Quantity Definition Sequence (0040,9220) is CID 9000 “Physical Quantity Descriptors”.

- Concept Code Sequence for Concept Name of (246205007, SCT, "Quantity") of Quantity Definition Sequence (0040,9220) is CID 7180 “Abstract Multi-dimensional Image Model Component Semantics”.

- Measurement Units Code Sequence (0040,08EA) is CID 7181 “Abstract Multi-dimensional Image Model Component Units”.

The Unassigned Shared and Per-Frame Converted Attributes Macros are included to allow acquisition-specific Attributes to be conveyed when they are relevant to the use-case. E.g., the echo time, flip angle or diffusion b-value might be useful to interpret a parametric map from an MR acquisition. Since some of these values may vary per-frame, it is appropriate to include them in the Functional Groups, rather than in the top level Data Set.

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DICOM PS3.3 2019c - Information Object Definitions