NYMC Faculty Publications

Retrosigmoid Craniectomy for Resection of Epidermoid causing Trigeminal Neuralgia

DOI

10.1055/s-0038-1676998

Journal Title

Journal of Neurological Surgery. Part B, Skull Base

First Page

S320

Last Page

S321

Document Type

Article

Publication Date

June 2019

Department

Neurosurgery

Abstract

The differential diagnosis for trigeminal neuralgia like-symptoms includes cerebellopontine angle lesions causing regional mass effect upon the trigeminal nerve ( Fig. 1 ). Here we present an operative video manuscript of a patient experiencing trigeminal neuralgia, secondary to an epidermoid cyst, in which a retrosigmoid craniectomy was performed to resect the epidermoid and decompress the trigeminal nerve ( Fig. 2 ). This video highlights the operative nuances to achieving a successful surgery, including appropriate patient positioning, dural exposure to the transverse-sigmoid sinus junction, arachnoid dissection, and decompression of cranial nerves. A gross total resection was achieved; the patient reported immediate relief of facial pain postoperatively and has been pain free at the ten month follow-up. The link to the video can be found at: https://youtu.be/Ja2eE0uGk4E .

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