RTSTRUCT: Referenced Frame Of Reference Sequence

Questions regarding the DCMRT library, a DCMTK add-on that implements support for the various DICOM Radiation Therapy (RT) IODs

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Jason Tang
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Joined: Fri, 2010-07-02, 14:55

RTSTRUCT: Referenced Frame Of Reference Sequence

#1 Post by Jason Tang » Fri, 2010-08-06, 17:50

Hello all,

I am not fully sure of what needs to be inserted in this sequence for my RTSTRUCT file that I am writing. While it is Type 3 tag, I need it because the RTSTRUCT references a CT image set.

Could anyone please verify the correctness of the following?

FrameOfReferenceUID: Should be the same as the one on the CT.

RT Referenced Study Sequence
: Is this needed? If so:

Referenced SOP Class UID
: UID_DetachedStudyManagementSOPClass
Referenced SOP Instance UID: What to put here?

SeriesInstanceUID: Should be the same as the one on the CT.

Contour Image Sequence: Must reference the entire CT set. The SOP Class UID referenced is UID_CTImageStorage and the SOP Instance is extracted from the individual CTs.

Is there a more elegant way to fill in the Contour Image Sequence?

Many thanks,
Jason

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