定义参考：
https://dicom.innolitics.com/ciods/ct-image/image-plane/00200037
标准图例：
http://dicom.nema.org/medical/dicom/current/output/chtml/part17/chapter_A.html#chapter_A
This Annex was formerly located in Annex E “Explanation of Patient Orientation (Normative)” in PS3.3 in the 2003 and earlier revisions of the Standard.
This Annex provides an explanation of how to use the patient orientation data elements.
As for the hand, the direction labels are based on the foot in the standard anatomic position. For the right foot, for example, RIGHT will be in the direction of the 5th toe. This assignment will remain constant through movement or positioning of the extremity. This is also true of the HEAD and FOOT directions.
| DICOM PS3.17 2019b - Explanatory Information |
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原文：https://www.cnblogs.com/badprogrammer/p/10930011.html
