Chronic Ankle “Sprain” Secondary to Anomalous Peroneal Tendon: A Case Report

This is an anomaly of the peroneus brevis in a 51-year-old woman that seems not to have been reported previously. Significant functional disability followed a seemingly innocuous ligamentous sprain of the ankle. Persistent ankle pain following minimal trauma should alert the surgeon to the anomalous peroneus brevis symptom complex.