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KMID : 1150320220180020088
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Journal of Korean Society of Geriatric Neurosurgery
2022 Volume.18 No. 2 p.88 ~ p.91
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A rapidly growing intraparenchymal schwannoma in a geriatric patient: a case report and literature review
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Ryu Myung-Han
Lee Jeong-Ho
Lee Min-Seok
Suh Sang-Jun
Lee Yoon-Soo
Cho Soo-Ho
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Abstract
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Intraparenchymal schwannomas are extremely rare intracranial tumors. Although their occurrence has been reported in various age groups, they are most frequently seen in individuals under 30 years of age. A 65-year-old woman was brought to the emergency department with impaired consciousness due to spontaneous intracerebral hemorrhage in the right basal ganglia (BG). Approximately 3 months later, the patient was taken to another hospital due to decreased consciousness, and a subsequent brain computed tomography scan showed a mass-like lesion in the right BG. The tumor was removed, and the biopsy result revealed an intraparenchymal schwannoma with no involvement of the ventricular ependymal lining. An immunohistochemical analysis revealed a high Ki-67 labeling index, indicating rapid growth without malignancy.
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KEYWORD
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Intraparenchymal schwannoma, Ki-67 labeling index, Intratumoral hemorrhage
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