Displaced Fractures of the Lateral Epicondyle of the Humerus and Posterolateral Rotatory Instability of the Elbow
Michael D. McKee, MD, FRCS(C); Raffy Mirzayan, MD; Lewis E. Zionts, MD

To The Editor:

I read with interest "Elbow Stiffness Following Malunion of a Fracture of the Lateral Epicondyle of the Humerus in a Child. A Case Report" (2002;84:818-21), by Zionts and Mirzayan. Although the authors did not discuss any postulated mechanism of injury for this fracture, we have observed a number of similar injuries in adults. A fracture of the lateral epicondyle and/or condyle often occurs as an avulsion during an episode of instability of the elbow in which the lateral ulnar collateral ligamentous complex avulses a fragment of bone. In our series, treatment consisted of fixation of this fragment of bone, which is important because of its soft-tissue attachments. I wonder if the authors would be so kind as to describe their operative experience in slightly more detail. For example, what soft-tissue …

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