Anterior talofibular ligament bony avulsion - pediatric

Case contributed by Maulik S Patel


History of left ankle-foot inversion injury a few days before the presentation. Complaining of the hindfoot pain and swelling.

Patient Data

Age: 10 years
Gender: Female

There is no fracture/ dislocation/ periosteal reaction/ bone lesion. There is mild soft tissue swelling involving the hindfoot and the ankle region.

There is a linear tiny bone flake at the fibular attachment site of the anterior talofibular ligament. The ligament itself shows mild thickening and hypoechogenicity without loss of continuity. There is no effusion in the anterior recess of the ankle joint in the neutral position of the foot.

Asymptomatic side anterior talofibular ligament shows a normal echo pattern.

Case Discussion

The case of anterior talofibular ligament bony avulsion from the fibula in a pediatric patient.

A companion case: shows anterior talofibular ligament bony avulsion from the talus.

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