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).
|