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  • Title: Can We Release All Calcaneal Attachments of the Superior Peroneal Retinaculum During Extensile Lateral Approach to the Calcaneus?
    Author: Vosoughi AR, Tamadon A, Gholamzadeh S, Fereidooni M.
    Journal: J Foot Ankle Surg; 2021; 60(1):85-88. PubMed ID: 33129678.
    Abstract:
    During extensile lateral approach to the calcaneus, in order to see all fractured fragments and subtalar joint, all soft tissues including insertion site of superior peroneal retinaculum (SPR) on the calcaneus should be released. The aim of this study was to evaluate the probability of peroneal tendon dislocation by releasing all soft tissues attached to the calcaneus. In 10 fresh cadavers, after standard extensile lateral approach to the calcaneus in right side, all soft tissues attached to the lateral wall of the calcaneus were excised. In the left side of each cadaver, all soft tissues inserted to the superior border of calcaneal tuberosity in addition to the lateral wall of the calcaneus were cut out. Probable anterior dislocation of peroneal tendons in the retromalleolar groove was assessed by placing a clamp into the peroneal tendon sheath from distal to proximal and advancing it to the retromalleolar groove. Also by careful dissection, any instability of peroneal tendons was visualized. Not any anterior dislocation of peroneal tendons to the lateral malleolus tip was seen in any stage of the procedure. Insertions of the SPR to the fascia of the deep posterior compartment of the leg and the Achilles tendon sheath are the main soft tissue stabilizer of the peroneal tendons in the retromalleolar groove. So resection of the insertion site of the SPR to the calcaneus might not result in the peroneal tendon instabilities.
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