Subarcuate supralabyrinthine approach for supralabyrinthine petrosal cholesteatoma

The Annals of Otology, Rhinology, and Laryngology
Joost J S van DintherErwin Offeciers

Abstract

Congenital cholesteatomas of the petrosal apex account for 1% to 3% of all cholesteatomas and often present an important surgical challenge. This report describes an exceptional case of a "nondestructive" translabyrinthine surgical approach to a large congenital petrosal cholesteatoma that threatened the vestibulum, superior semicircular canal, facial nerve, and internal auditory canal. We applied a nonconventional transmastoid subarcuate supralabyrinthine approach in a 20-year-old patient by accessing the lesion through the center of the superior semicircular arch without damaging the integrity of the canal. This led to a complete removal of the petrosal cholesteatoma with preservation of hearing and vestibular function. Follow-up imaging performed 1 and 2 years after operation by means of non-echo-planar diffusion-weighted imaging did not show residual cholesteatoma. This report describes the first successful use of a subarcuate supralabyrinthine approach through the arches of the superior semicircular canal in a case of petrosal cholesteatoma.

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Citations

May 22, 2016·Personality and Social Psychology Review : an Official Journal of the Society for Personality and Social Psychology, Inc·Brock Bastian, Steve Loughnan
May 28, 2019·Acta otorhinolaryngologica Italica : organo ufficiale della Società italiana di otorinolaringologia e chirurgia cervico-facciale·E ZanolettiD Zanetti
Nov 22, 2019·Indian Journal of Otolaryngology and Head and Neck Surgery : Official Publication of the Association of Otolaryngologists of India·Suresh C SharmaK Devaraja

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