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PDF encapsulated dicom's Modality tag value

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Rajshree Daulatabad

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Feb 8, 2022, 9:49:59 PM2/8/22
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Hi,

Is it valid to have "SR"/"CR"/"DX"/"OT" or any other modality value for a dicom file which is in format encapsulated pdf?

Markus Sabin

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Feb 9, 2022, 1:33:44 AM2/9/22
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Rajshree Daulatabad schrieb am Mittwoch, 9. Februar 2022 um 03:49:59 UTC+1:
> Hi,
>
> Is it valid to have "SR"/"CR"/"DX"/"OT" or any other modality value for a dicom file which is in format encapsulated pdf?

Yes. As you can see in PS3.3, Table C.24.1 you can choose from any attribute value that is allowed for the General Series Module as well and defined in PS3.3, C.7.3.1.1.1 Modality

gunter zeilinger

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Feb 10, 2022, 2:53:08 AM2/10/22
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On Wednesday, February 9, 2022 at 3:49:59 AM UTC+1, Rajshree Daulatabad wrote:
> Hi,
>
> Is it valid to have "SR"/"CR"/"DX"/"OT" or any other modality value for a dicom file which is in format encapsulated pdf?

Formally valid, but "CR"/"DX" would be rather be misleading, because users would expect a Series with X-Ray images. For general PDF documents I would recommend using "DOC" for Document.
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