[Intraneural synovial cyst of the peroneal nerve. Case report]. / Cisto sinovial intraneural do nervo fibular. Relato de caso.

The authors report the case of an intraneural synovial cyst of the peroneal nerve. The initial symptom was pain and weakness of dorsiflexion and eversion of the right foot. The patient was operated on and the cyst was totally resected. The authors discuss the pathogenesis, clinical diagnosis as well as the treatment of that uncommon lesion.