Peroneal tendon dislocation:
Usually result of trauma or congenitally shallow retromalleolar sulcus – may be associated with recurrent ankle sprains.
• Longitudinal incision over post distal fibula
• Incise retinaculum from fibula to expose peroneal tendons and sulcus (may deepen sulcus with burr)
• Retinaculum plucated with suture anchors
• Can be combined with sagittal fibula ostotomy to make lateral aspect of lateral malleolus move posteriorly
Post-op- NWB cast 3 weeks WB cast 3-5 weeks; avoid forced dorsiflexion and eversion for 8 weeks