Abstract
Schwannomas originating from the cranial nerves are usually benign, isolated, and slow-growing lesions. They are commonly multiple when associated with neurofibromatosis type 2 (NF2). Schwannomas arising from the trigeminal nerves are the second most common intracranial schwannoma. They are rare, representing 0.8–8% of all intracranial schwannomas [3, 21, 27, 33]. Trigeminal schwannomas (TSs) tend to occur in middle age, with highest incidence being between 38 and 40 years, and are more frequent in women [15, 16, 32]. Patients with TSs present more frequently with symptoms related to the function of the trigeminal nerve, but they can also be asymptomatic. In a recent review of the literature, Samii et al. [30] found trigeminal nerve symptoms in 51% of patients, followed by headache (16%) and diplopia (11%). Prior to the advent of computed tomography (CT) and magnetic resonance imaging (MRI) scans, diagnosis of TS was difficult. Treatment of choice is radical surgical resection. In 1918, Frazier [8] reported the first removal of a TS.
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Ramina, R., Neto, M., Fernandes, Y., Leal, A., Silva Junior, E. (2008). The Surgical Management of Trigeminal Schwannomas. In: Samii's Essentials in Neurosurgery. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-49250-4_16
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DOI: https://doi.org/10.1007/978-3-540-49250-4_16
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