Author: Manasi Jyothish, Andrew Tabner / Editor: Steve Corry-Bass / Reviewer: Andrew Tabner / Codes:  GP1, SLO4Published: 14/10/2020

A 26-year-old female American Football player presents to the emergency department after being tackled violently by two players and suffering a left knee injury. She has been unable to weight-bear since the injury and her movements are severely restricted.

On examination the knee is painful to flex or extend fully and is held in a semi-flexed position at around 90 degrees.

Examination reveals no deformity, with moderate pain on palpation over the anterolateral tibial plateau. A large effusion is present.

A tibial plateau fracture was suggested on plain film, and following discussion with the orthopaedic team a CT of the knee was obtained. An image from the CT is shown below.

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