Retrieving only tags from a query towards remote modalities?

[Ioannis Sfakianakis]

Hi all,

I am performing a query towards a custom dicom server e.g.:

curl -X POST http://localhost:8042/modalities/<custom_dicom_server>/query -d '{"Level":"Series","Query":{"Modality":"*","ProtocolName":"*","SeriesDescription":"*","SeriesInstanceUID":"*","StudyInstanceUID":"<study_id>"}}'

The answer of that is the number of series associated to the studyID.  I am trying to get only the tags of the dicom files belonging to those series. Can you give me some pointers how to do that?

If that is not possible: Could I retrieve only the first dicom file of the series?

Thank you,

Yannis

[Alain Mazy]

Hi

Actually the /query route does not retrieve the file (the /retrieve route does).  

You should check the /answers/../content route.  This might be what you're looking for: https://book.orthanc-server.com/users/rest.html#reviewing-query-answers

HTH

Alain.

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[Ioannis Sfakianakis]

Hi alain,

Thank you for your quick response, the /answers/../content route, gives me some metadata about the series but not the tags of the dicom files belonging to the series. Is there something else that I can try?

Yannis

[Alain Mazy]

You can list all the tags you want in the response in the query itself.  However, the other modality might not be able to report any tag in a C-Find response.

If you want all the tags, your only solution is to retrieve at least the first frame of a series.

Once you have the SeriesInstanceUID, you can perform a query at instance level to retrieve all the SOPInstanceUIDs of the given series.  Then, once you have the SOPInstanceUID, you can C-Move a single instance to yourself and you'll get all DICOM tags.

HTH

Alain

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