.DICOM File Extension

Digital Imaging and Communications in Medicine

The National Electrical Manufacturers Association (NEMA) developed the DICOM format. They designed it to exchange and view medical images like CT scans, MRIs, and ultrasounds. DICOM stands for Digital...

General Information

Title DICOM File Extension
Extension .dicom, .dcm
Full Form Digital Imaging and Communications in Medicine
File Type Medical Image File Format
Developer National Electrical Manufacturers Association (NEMA)
MIME Type application/dicom

File Function

Primary Function Store medical images
Additional Functions Contain patient data
Features Standardized, Multi-frame, Metadata

File Characteristics

Quality High resolution
Supports Layers Yes
Supports Transparency No
Editable Metadata yes, Image no

Use Cases

Medical Imaging Yes
Radiology Yes
Dental Imaging Yes
Research Yes

Security and Practices

Security Risks Sensitive data exposure
Best Practices Encryption, Anonymization

Historical/Version Information

Initial Release 1985
Latest Version DICOM Standard 2021b

Associated Types

Similar Extensions .nii, .hdr, .ima

Software Compatibility

Software Usage Policy OS Compatibility
OsiriX MD Commercial Mac
RadiAnt DICOM Viewer Free, Commercial Windows
MicroDicom Free Windows