Fractures of the coronoid: morphology based upon computer tomography scanning

Journal of Shoulder and Elbow Surgery, 04/20/2012

In this series, the authors describe anatomic patterns by which coronoid fractures break. Five common patterns were noted: a “tip” type fracture seen in 29% of the cases; a “mid–transverse” type fracture; a “basal” type fracture; and 2 “oblique” type fracture patterns, including an “anteromedial” type fracture and an “anterolateral” type. There was a high rate of intra– and inter–observer reliability between and within 3 observers.

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