
Keywords: نظارت بر نوروفیزیولوژیک داخلی درمانی; Lumbosacral plexus/intraoperative procedures; Peripheral nervous system neoplasms/surgery; Nerve sheath neoplasms; Peripheral nervous system/surgery; Monitoring; Intraoperative; Intraoperative neurophysiological monitoring; Neurosurgery/methods;