Metachronous Bilateral Vestibular Schwannomas

Mohamed Elsayed, Baptiste Hochet, Renato Torres, Olivier Sterkers, Yann Nguyen, Ghizlene Lahlou, Michel Kalamarides

Research output: Contribution to journalArticlepeer-review

Abstract

Bilateral vestibular schwannoma (BVS) is the hallmark of neurofibromatosis type 2 (NF2), both of them being present at diagnosis. We report four cases of metachronous BVS, a contralateral intracanalicular vestibular schwannomas (VS) being visible 2 to 13 years after resection of a unilateral VS. NF2 workup was negative except in one case where two NF2 gene mutations were found in tumor analysis. These cases raise the questions of whether the contralateral VS occurred by chance and how to manage it on the only hearing ear. Otologists should be aware of this rare eventuality for decision making of the first unilateral VS. Laryngoscope, 131:E250–E254, 2021.

Original languageEnglish
Pages (from-to)E250-E254
JournalLaryngoscope
Volume131
Issue number1
DOIs
StatePublished - Jan 2021

Bibliographical note

Publisher Copyright:
© 2020 The American Laryngological, Rhinological and Otological Society, Inc.

Keywords

  • Bilateral vestibular schwannoma
  • metachronous benign tumors
  • neurofibromatosis type 2
  • sporadic vestibular schwannoma

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