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KMID : 0359719940120030577
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Journal of the Korean Neurological Association
1994 Volume.12 No. 3 p.577 ~ p.581
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Cerebral Metastasis of Malignant Schwannoma(A Case Report)
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이규용
강성수/권오영/김승현/김주한/김명호
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Abstract
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Malignant schwannoma is originated from nerve sheath. Its pulmonary and hepatic metastases were reported frequently, but cerebral metastasis was rare.
The authors report a case of brain metastasis from a malignant schwannoma arising from left sciatic nerve sheath. Sixtyyear old patient was admitted due to left side hemiparesis. The patient had undergone a surgical resection of the primary tumor
in the
left thigh. Brain MRI was showed low signal lesion in right frontoparietal area. Microscopically, the neoplasm was composed of spindle cell of neuronal origin that tumor cell was showed herring-bone pattern arragement with high mitotic activity
in
high
power field. This histologic finding was similar to that of primary tumor in the left thigh. Immunohistochemically, the tumor shows positive for S-100 protein.
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KEYWORD
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