Vascularized Second Metacarpal Bone Graft for the Treatment of Idiopathic Osteonecrosis of the Capitate.

Background: Idiopathic osteonecrosis of the capitate is rare condition with few reports of treatment using vascularized bone graft. Methods: A case of a 45-year-old woman with idiopathic necrosis of the capitate who underwent surgical treatment with a vascularized bone graft from the base of the second metacarpal bone is reported. Results: At 14 months postoperatively, the range of motion of her wrist was maintained, and localized wrist pain was relieved. Conclusions: This bone graft, which has a reliable pedicle with few anomalies, offers sufficient cancellous bone for the capitate, and can be harvested in the same operative field, is desirable for the treatment of osteonecrosis of the capitate.