Surgical management of trigeminal schwannomas: Preservation of the trigeminal nerve

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Abstract

Trigeminal schwannomas can develop anywhere along the course of the trigeminal root, ganglion, and nerve branches. The most frequent tumor site is Meckel’s cave. The tumor, is dumbbell in shape, often extends to the posterior cranial fossa. A series of surgical approaches, which primarily include skull base extradural approaches, used for the management of trigeminal schwannomas has been discussed based on tumor site. More recently, an endoscopic endonasal approach has been used for lesions in Meckel’s cave, pterygoid palatine fossa, and infratemporal fossa. This article describes anatomy‒based surgical approaches for the management of trigeminal schwannoma and surgical approaches aimed at functional preservation.

Original languageEnglish
Pages (from-to)407-413
Number of pages7
JournalJapanese Journal of Neurosurgery
Volume28
Issue number7
DOIs
Publication statusPublished - 2019 Jan 1

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Keywords

  • Anterior petrosal approach
  • Endonasal approach
  • Meckel’s cave
  • Skull base

ASJC Scopus subject areas

  • Surgery
  • Clinical Neurology

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