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
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Attribute Name
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Tag
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Type
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Attribute Description
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X-Ray Geometry Sequence
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(0018,9476)
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1
|
Sequence containing the geometric properties for this frame.
Only a single Item shall be included in this Sequence.
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>Distance Source to Isocenter
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(0018,9402)
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1
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Distance from source to isocenter in mm.
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>Distance Source to Detector
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(0018,1110)
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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).
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