DICOM PS3.3 2024c - Information Object Definitions
C.8.2.2.3 Multi-energy CT Path Macro (Current)
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C.8.2.2.3 Multi-energy CT Path Macro

Table C.8.2.2-4 specifies the Attributes of the Multi-energy CT Path Macro, which describe a Multi-energy CT Path. A Multi-energy CT Path is an X-Ray source paired with a corresponding X-Ray detector for a particular energy level.

Table C.8.2.2-4. Multi-energy CT Path Macro Attributes

Attribute Name

Tag

Type

Attribute Description

Multi-energy CT Path Sequence

(0018,9379)

1

Describes the paths corresponding to each energy level of a Multi-energy acquisition. Each path consists of a source (see Section C.8.2.1.1.1) and a detector (see Section C.8.2.2.1.1).

Two or more Items shall be included in this Sequence.

See also Section C.8.2.2.1 and Section C.8.2.2.2.

>Multi-energy CT Path Index

(0018,937A)

1

Identification number of the element in the Multi-energy CT Path Sequence.

The number shall be 1 for the first Item and increase by 1 for each subsequent Item.

>Referenced X-Ray Source Index

(0018,9377)

1

References the X-Ray Source Index (0018,9366) in the Multi-energy CT X-Ray Source Sequence (0018,9365) in this path.

>Referenced X-Ray Detector Index

(0018,9376)

1

References the X-Ray Detector Index (0018,9370) in the Multi-energy CT X-Ray Detector Sequence (0018,936F) in this path.

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DICOM PS3.3 2024c - Information Object Definitions