• Guenther C Feigl, Daniel Staribacher, Gavin W Britz, and Dzmitry Kuzmin.
• Department of Neurosurgery, General Hospital Bamberg, Bamberg, Germany; Department of Neurosurgery, University Hospital Tuebingen, Tuebingen, Germany; Department of Neurological Surgery, Houston Methodist Hospital, Houston, Texas, USA. Electronic address: guenther.feigl@web.de.
• World Neurosurg. 2024 Sep 1; 189: 317322317-322.

BackgroundA 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.MethodsWe describe the clinical case of a 42-year-old female patient with vestibular schwannoma and multiple trigeminal schwannomas.ResultsThat 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.ConclusionsThe presence of multiple intracranial schwannomas is extremely rare in neurosurgical practice and can change the intraoperative strategy and the course of the surgery.Copyright © 2024 Elsevier Inc. All rights reserved.

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