Abstract:Painful snapping or locking in the elbow is an uncommon presentation that has been observed in children with proximal radioulnar synostosis. Only a few cases have been reported in the English language literature. In this report, we present the case of a painful locking elbow in a 12-year-old boy with a congenital proximal radioulnar synostosis. We describe its symptoms, signs, radiographic appearance, surgical treatment, and outcome, and review the relevant literature.
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