Ankle fractures are a significant part of the lower extremity trauma seen in the emergency department. Neurologic complications of ankle fracture surgery are infrequently described but account for significant morbidity. The risk of nerve injury is increased for the Blair and Botte type B pattern of the intermediate cutaneous dorsal nerve branch, crossing the distal fibula from posterior to anterior (at 5 to 7 cm from malleolar tip). This pattern is present in about 10% to 15% of patients. Injuries to the superficial peroneal nerve and its branches negatively influence the outcome. Early recognition and protection might reduce the incidence of superficial peroneal nerve injuries during open reduction and internal fixation of lateral malleolus fractures. We describe 2 surgically treated ankle fractures with superficial peroneal nerve branch (intermediate cutaneous dorsal nerve) involvement and review the current literature.

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