Endoscopic Transcanal Transpromontorial Removal of an Intracochlear Schwannoma and Traditional Cochlear Implantation

Vestibular schwannomas (acoustic neuromas) develop due to mutations in Schwann cells that cause uncontrolled cell division. As a result, a tumor forms. As these tumors grow, they can compress the cochlear nerve causing unilateral hearing loss and tinnitus. Vestibular schwannomas may cause imbalance and occasionally vertigo. Intralabyrinthine schwannomas account for about 10% of vestibular schwannomas in centers that specialize in temporal bone imaging. Intracochlear schwannomas are the most common type of intralabyrinthine schwannomas. In this video, we describe an endoscopic transcanal transpromontorial approach to intracochlear schwannoma removal.

This surgery was performed by James Prueter, DO, of Southwest Ohio ENT Specialists in Dayton, OH.

Video editing was performed by Austin Miller, OMS-II, Ohio University Heritage College of Osteopathic Medicine.

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