Internal epicondyle avulsion

Case contributed by Dr Jeremy Jones

Presentation

Fall onto hyperextended arm at play-park. Reduced range of motion at the elbow and tender medially.

Patient Data

Age: 7 years
Gender: Male

The medial epicondyle is displaced from the distal humeral metaphysis. In normal views, the medial epicondyle should overly the distal humerus. Appearances represent medial epicondyle avulsion.

Case Discussion

The medial epicondyle overlies the distal humeral metaphysis in normal projections. When it does not and there is associated soft tissue swelling overlying it, think medial epicondyle avulsion.

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