Metacarpal boss Discussion

The term metacarpal boss refers to prominence of the carpometacarpal joint of the index and/or middle rays. It is a congenital or spontaneous development, may affect one or both hands, and is usually painless and problem free. If prominent, it may be seen as a deformity to the patient, or may be easily injured. The joint may develop painful arthritic changes at any age. Treatment options are as for arthritis in other areas, including antiinflammatory medication, heat, splinting, local steroid injection, joint debridement and joint fusion.

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