Endoscopic-Assisted Repair of Superior Canal Dehiscence.

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Endoscopic-Assisted Repair of Superior Canal Dehiscence.

Otolaryngol Clin North Am. 2016 Oct;49(5):1189-204

Authors: Cheng YS, Kozin ED, Lee DJ

Abstract
Superior canal dehiscence (SCD) is a bony defect of the superior canal that can cause vestibular and/or auditory symptoms. Surgical repair of SCD provides effective relief from symptoms, and the middle fossa craniotomy approach with binocular microscopy offers direct visualization and surgical access to the arcuate eminence. However, for SCDs located along the downsloping tegmen medial to the peak of the arcuate eminence, a direct light of sight may be obscured, rendering visualization with traditional microscopy difficult. The endoscope is the ideal adjunct in middle fossa craniotomy approach SCD surgery and offers a safe, effective means to identify and repair arcuate eminence defects hidden from microscopic view.

PMID: 27565386 [PubMed - indexed for MEDLINE]

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