Low lying peroneus brevis muscle belly

Case contributed by Akos Jaray
Diagnosis certain

Presentation

Lateral ankle pain on the left. Peroneus brevis tendinitis?

Patient Data

Age: 50 years
Gender: Male
ultrasound

Extension of the peroneus brevis myotendinous junction to the level of the fibular groove on transverse images.

Preserved insertion to the base of the 5th metatarsal.

Case Discussion

Low lying peroneus brevis muscle belly can be symptomatic due to crowding at the level of the retromalleolar groove.

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