Percutaneous pinning of metacarpal shaft fracture. A, Skin marking to indicate middle of metacarpal base as determined by fluoroscopy. B, Incision proximal to metacarpal base. C, Fluoroscopic view shows correct entry position of intramedullary wire. D, Curved portion of Kirschner wire is tamped into metacarpal head. E and F, Anteroposterior preoperative and postoperative radiographs of patient with metacarpal shaft fracture treated with percutaneous pinning. SEE TECHNIQUE 67.15.