Presentation
Lateral ankle pain. No history of trauma.
Patient Data
Age: 55 years
Gender: Female
From the case:
Peroneus quartus muscle
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There is a third myotendinous structure within the peroneus tendon sheath postero-medial to the longus and brevis tendons, that can be followed down to the retrotrochlear eminence of the calcaneus.
Case Discussion
Typical position of the peroneus quartus accessory muscle.