Split tear of the peroneus brevis tendon

Case contributed by Dr Magdalena Chmiel-Nowak

Presentation

Chronic pain at the lateral side of the ankle. No history of trauma.

Patient Data

Age: 50 years
Gender: Female

A longitudinal tear of the peroneus brevis tendon is visible, extending from the level of the lateral malleolus, giving the tendon a C-shaped appearance, with its fibers surrounding the peroneus longus tendon. Tenosynovitis in the peroneal tendon sheath is also present.

Case Discussion

A longitudinal (split) tear of the peroneus brevis tendon may be a result of acute trauma, but may also be degenerative in nature, as in this case. Tenosynovitis is present in approximately half of the cases.

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