The peroneal nerve is susceptible to traction injury during inversion ankle sprains.1,2,4,6–9 Previously, these traction lesions have been identified only at the fibular neck and popliteal fossa level.2,5,8,10 This report illustrates a previously unreported condition of perineural fibrosis of the superficial peroneal nerve at the level of the ankle following an inversion ankle sprain. Perineural fibrosis should be considered in the differential diagnosis of patients with persistent pain after ankle sprain.
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