DICOM PS3.3 2019c - Information Object Definitions
C.8.19.6.14 X-Ray Geometry Macro

Table C.8.19.6-14 specifies the Attributes containing the X-Ray Geometry Functional Group Macro.

Table C.8.19.6-14. X-Ray Geometry Macro Attributes

Attribute Name

Tag

Type

Attribute Description

X-Ray Geometry Sequence

(0018,9476)

1

Sequence containing the geometric properties for this frame.

Only a single Item shall be included in this Sequence.

>Distance Source to Isocenter

(0018,9402)

1

Distance from source to isocenter in mm.

>Distance Source to Detector

(0018,1110)

1

Distance from source to receptor plane perpendicular to the receptor plane in mm.

Note

This value is traditionally referred to as Source Image Receptor Distance (SID).


DICOM PS3.3 2019c - Information Object Definitions