Periarticular ossification of the MCP joint

Case contributed by Roberto Schubert
Diagnosis certain

Presentation

History of hand trauma and immobilization 18 months earlier. Swelling and discomfort at the MCP III joint.

Patient Data

Age: 30
Gender: Female

periarticular ossification 

There is a bizarre osseous formation at the radial aspect of the 3rd metacarpal head. The underlying bone shows a small osteophyte, but no defects or deformities.

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