We have been approached with the wish to save images in the MITK Workbench as DICOM format.
This case in particular was about loading an existing DICOM image in MITK, rotating it some amount around a certain axis, and saving the result again as DICOM.
Also, the new segmentation data type (since v2023.04) should be compatible to be saved as DICOM without information loss.
Adding this functionality would probably look similar to https://phabricator.mitk.org/source/matchpoint/browse/master/Applications/Mapper/include/mapRHelper.h, specifically doWriting and generateSliceDictionaries.
We should clarify how important we see this functionality and if to go for it.