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The Cancer Imaging Archive (TCIA) adheres strictly to Health Insurance Portability and Accountability Act (HIPAA) regulations. Since publicly accessible databases and image archives using actual human images must not contain personal health information (PHI), de-identification is used to cleanse Digital Imaging and Communications in Medicine (DICOM) images so no PHI remains.


TCIA staff have accumulated a wealth of knowledge on best practices and procedures for DICOM image de-identification. We’re sharing this information with the wider research community by maintaining this knowledge base as a living document that will be updated as we learn from our experiences. If you have feedback or questions, please contact us at