Osteoid Osteoma of the Trapezoid Bone

Osteoid osteoma is a benign, bone-forming tumor that rarely involves the carpal bones. We report a case of osteoid osteoma of the trapezoid carpal bone with extension to the adjacent second metacarpal bone. Chronic wrist pain and local tenderness were the major clinical signs and symptoms. In chronic wrist pain osteoid osteoma and the possibility of extension to the adjacent bones should be considered