DICOM PS3.3 2024b - Information Object Definitions

C.8.15.3 Enhanced CT Image Functional Group Macros

The following sections contain Functional Group Macros specific to the Enhanced CT Image IOD.


The Attribute descriptions in the Functional Group Macros are written as if they were applicable to a single frame (i.e., the Macro is part of the Per-Frame Functional Groups Sequence). If an Attribute is applicable to all frames (i.e., the Macro is part of the Shared Functional Groups Sequence) the phrase "this frame" in the Attribute description shall be interpreted to mean " for all frames".

C. CT Image Frame Type Macro

Table C.8-117 specifies the Attributes of the CT Image Frame Type Macro.

Table C.8-117. CT Image Frame Type Macro Attributes

Attribute Name



Attribute Description

CT Image Frame Type Sequence



Identifies the characteristics of this frame.

Only a single Item shall be included in this Sequence.

>Frame Type



Type of Frame. A multi-valued Attribute analogous to Image Type (0008,0008).

Enumerated Values and Defined Terms are the same as those for the four or five values of Image Type (0008,0008), except that the value MIXED is not allowed unless the SOP Class UID is "1.2.840.10008." (Legacy Converted). See Section C.8.16.1 and Section C.

>Include Table C.8-131 “Common CT/MR and Photoacoustic Image Description Macro Attributes”

DICOM PS3.3 2024b - Information Object Definitions