[Interposition-arthroplasty of the elbow in a child as delayed treatment of an unreduced multifragmentary fracture of the distal humerus: result after 77 years--case report and review of the literature].

Post-traumatic stiffness of the elbow joint in children after unreduced multifragmentary fractures of the distal humerus can be successfully treated by interposition arthroplasty. A case with long-term follow up is described, and the literature discussed.