Abstract

The ulnar coronoid is an important stabilizer of the elbow joint. The morphology of the coronoid fracture in association with a dislocation of the elbow joint correlates with the risk of persistent instability. Fractures involving more than 50% of the coronoid are unstable and require surgical fixation. This is especially the case when the distal insertion of the medial collateral ligament is involved in the fracture pattern. Instability is also seen in smaller lesions of the coronoid when there is an associated fracture of the radial head. The surgical approach depends upon the fracture morphology and the type of associated injuries. Transosseous fixation as well as ante- or retrograde screw fixation are viable alternatives.

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