Intraneural ganglion cyst causing peroneal nerve paralysis [Peroneal sinir paralizine neden olan İntranöral ganglion kisti]

Intraneural ganglion is a rare cause of peroneal nerve paralysis. pathophysiology of its origination and how it forms are still poorly understood. pathologic processes in proximal tibiofibular joint and articular branch of peroneal nerve are thought to play a role in the development of the cyst. in this article,a peroneal nerve paralysis due to an intraneural ganglion patient is presented and important points in preoperative evaluation,and in surgery are emphasized. cyst decompression and excision was performed to the patient. for preventing recurrence,articular stalk of the cyst and tibiofibular connection were removed. we did not see a recurrence in the second year follow up and foot drop was healed. in the differential diagnosis of the peroneal nerve paralysis,intra neural ganglion cyst should be thought. © 2015,ege university press. all rights reserved.