You can accidentally delete the SOPInstanceUID and break every reference link. You can rename a SeriesDescription and make the images un-queryable.
Open your Quick Batch Editor. Step 2: Drag the folder containing the 300 .dcm files. Step 3: Filter for tag (0008,0060) Modality. Step 4: Set Replace: OT → CT . Step 5: Click "Execute" (wait 4 seconds). Step 6: Re-import to your viewer. The study now sorts as CT. quick dicom batch editor
That is the power of speed. A quick DICOM batch editor is not a nice-to-have; it is a requirement for anyone managing research databases, teaching libraries, or multi-vendor PACS migrations. It turns a 3-hour manual tag correction into a 30-second automation. You can accidentally delete the SOPInstanceUID and break