A DICOM Cleaner is a specialized software tool designed to “clean,” de-identify, or pseudonymize medical imaging data stored in the DICOM standard format.
Instead of converting medical images into plain JPEGs—which strips away vital medical data layers—a DICOM cleaner modifies the hidden metadata or masks the actual visual pixel data while strictly preserving the functional DICOM file format. What Exactly Does a DICOM Cleaner Do?
A DICOM file consists of two parts: a Header containing metadata, and the Pixel Data containing the actual scan image. A cleaner addresses both components:
Cleans the Header: It scrubs Protected Health Information (PHI) stored in standard metadata “tags”. This includes patient names, birth dates, social security numbers, institution details, and the names of treating physicians.
Redacts Pixel Data (Blackout Tool): Sometimes patient info is permanently “burned into” the image pixels themselves, such as text overlays on an ultrasound or an X-ray. Cleaners allow users to draw a permanent digital black box over these specific coordinates to hide the text.
Preserves Temporal Relationships: Advanced cleaners can shift dates and times (e.g., changing a study date to a dummy date) while maintaining the correct sequence and elapsed time between consecutive scans. Why Do You Need It?
The primary reasons medical professionals, researchers, and developers utilize DICOM cleaners include: How to use DicomCleaner™