Authors: Steve Fordham, Lou Mitchell / Editor: Clifford J Mann / Reviewer: Lou Mitchell / Codes: SLO4, TC2, TP7 / Published: 11/05/2021

A 20-year-old man presents after injuring his knee in football. He describes a tackle and varus stress on the knee.

The knee swelled immediately and he was unable to weight bear. His x-ray is shown.