35-year-old male with a possible radial MCP collateral injury. Evaluate grade in degree. Presents with pain and swelling. LIGAMENTS: The radial collateral ligament appears intact. The ulnar collateral ligament appears intact.TENDONS: The flexor and extensor tendons appear intact. BONES: There is increased bone marrow signal abnormality within the volar aspect of the head of the first metacarpal which may reflect a combination of resolving bone contusion or degenerative change. There is no linear signal abnormality to suggest an acute fracture. No additional bone marrow signal abnormality is identified.ADDITIONAL
Findings consistent with a resolving bone contusion versus degenerative change affecting the volar aspect of the first metacarpal head. The radial collateral ligament appears intact.