Private tag scrub

Remove vendor private tags (odd DICOM groups) from the exported file.

DICOM private tags (odd group numbers > 0x0008) carry vendor-specific metadata: scanner parameters, acquisition sequences, and sometimes patient-identifying data. The scrub is on by default and set to Remove all, because the DICOM PS3.15 Basic profile removes every private tag.

Remove all — deletes every private tag unconditionally, giving the smallest attack surface.

Keep vendor whitelist — retains creator + data elements for known-safe blocks (Siemens CSA, GE PSD) and removes everything else. Useful when downstream pipelines depend on sequence parameters. The export then records the kept vendor tags in De-identification Method and writes no PS3.15 profile code, because whole vendor blocks are not the standard’s per-tag Retain Safe Private option.

Tip Private creator elements (group:0010–00FF) identify which data elements belong to a vendor block. Only the data in that block is retained, not unrecognised private tags in the same group.