Figure 1.

Surgical diagram of external fixator‐assisted ulnar osteotomy. (A) Lateral radiographs showing a missed Bado I Monteggia fracture in a 6‐year‐old child. (B) Intraoperative photograph demonstrating anterior dislocation of the radial head. (C) An external fixator is placed on the proximal ulna dorsally before osteotomy. (D) An external fixator‐assisted ulnar lengthening and angulation at the osteotomy site facilitated reduction of the radial head. (E) Intraoperative fluoroscopic picture showing the ulnar osteotomy and reduction of the radial head. (F, G) Anteroposterior and lateral radiographs showing the final fixation with a plate and complete restoration of the radiocapitellar joint.