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Neurilemoma of the tibial nerve. A case report.

Tarsal tunnel syndrome is an entrapment neuropathy of the posterior tibial nerve or its branches, or both, as they pass under the flexor retinaculum at the ankle. The syndrome causes intermittent burning pain, tingling, or numbness in the foot, and the symptoms are exacerbated by prolonged standing or walking. Usually, there is a positive Tinel sign or tenderness to direct pressure over the tarsal tunnel, over the tibial nerve, or on the medial part of the arch of the foot