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KMID : 1141120180040010020
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The Nerve
2018 Volume.4 No. 1 p.20 ~ p.22
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Intracerebellar Schwannoma in Presumed Schwannomatosis: A Case Report
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Kim Myeong-Jong
Kim Jeong-Hoon
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Abstract
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It is generally believed that schwannomas are derived from the nerve sheath. Intracerebellar schwannomas are rare, especially in patients with schwannomatosis. In this report, we present a case of intracerebellar schwannoma in presumed schwannomatosis. A 31-year-old man presented with headache and vomiting; he then underwent computed tomography, magnetic resonance imaging (MRI), and transfemoral cerebral angiography. MRI revealed an intracerebellar tumor and multiple spinal cord tumors. The brain tumor was removed completely through midline suboccipital craniotomy. The histological diagnosis of schwannoma was confirmed. The patient was not tested for mutation in the neurofibromatosis gene. However, all his symptoms were consistent with a diagnosis of schwannomatosis. Intracerebellar schwannomas are rare tumors; however, they should be considered as differential diagnoses when a well-circumscribed nodule in the cerebellar hemisphere with typical signs of schwannoma is present in patients with schwannomatosis.
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KEYWORD
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Cerebellar neoplasms, Neurilemmoma, Schwannomatosis
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