Multiple Intracranial Schwannomas of the Vestibular and Trigeminal Nerves: A Technical Note

A schwannoma is a nerve sheath tumor that is formed by Schwann cells. Vestibular schwannomas are thought to account for the majority of intracranial schwannomas. Nonvestibular schwannomas account for about 10%, about half of which are trigeminal schwannomas. Multiple intracranial schwannomas origina...

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Bibliographic Details
Published in:World neurosurgery 2024-09, Vol.189, p.317-322
Main Authors: Feigl, Guenther C., Staribacher, Daniel, Britz, Gavin W., Kuzmin, Dzmitry
Format: Article
Language:English
Subjects:
Intracranial schwannomatosis
Retrosigmoid approach
Trigeminal schwannoma
Vestibular schwannoma
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Summary:A schwannoma is a nerve sheath tumor that is formed by Schwann cells. Vestibular schwannomas are thought to account for the majority of intracranial schwannomas. Nonvestibular schwannomas account for about 10%, about half of which are trigeminal schwannomas. Multiple intracranial schwannomas originating from different cranial nerves are extremely rare. We describe the clinical case of a 42-year-old female patient with vestibular schwannoma and multiple trigeminal schwannomas. That case shows how multiple trigeminal schwannomas were identified intraoperatively during elective surgery for vestibular schwannoma removal, most of which were resected. No new neurological deficits were observed in the patient. The presence of multiple intracranial schwannomas is extremely rare in neurosurgical practice and can change the intraoperative strategy and the course of the surgery.
ISSN:1878-8750
1878-8769
1878-8769
DOI:10.1016/j.wneu.2024.04.101