Diagnosis

Complete articular, frontal/coronal wedge fracture (AO/OTA 34C2)

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These fractures may be due to direct blow to the knee, such as a dashboard injury, or to a hyperflexion injury. They are classified by the AO/OTA as 34C2 fractures.

The patellofemoral joint surface may be injured, associated with impaction deformation of the patellar joint surface that can be difficult to restore anatomically and stably.