Anterior talofibular ligament bony avulsion from fibula

Case contributed by Maulik S Patel
Diagnosis almost certain

Presentation

Left ankle inversion injury one week before the scan with lateral ankle pain and swelling after an injury and subsequent immobilization.

Patient Data

Age: 55 years
Gender: Female

The anterior recess of the ankle joint shows mild effusion. There is an avulsion of the fibular end of the anterior talofibular ligament along with a bone flake. There is a corresponding donor site defect in the fibula. The ligament is intact with mild edema. The calcaneofibular ligament and anterior inferior tibiofibular ligament are normal.

Case Discussion

The case shows anterior talofibular ligament bony avulsion  from the fibula.

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