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KMID : 1001920040350010102
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Journal of Korean Neurosurgical Society
2004 Volume.35 No. 1 p.102 ~ p.105
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Extraventricular Cystic Neurocytoma
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Park Kyung-Jae
Kim Joo-Han
Park Youn-Kwan
Chung Heung-Seob
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Abstract
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We report a case of extr.ventricular neurocytoma(left parietal lobe) in a young man presented with hemiparesis. The tumor, a radiologically well-circumscribed, cystic and enhancing mass, was partially removed. The patient, who received postoperative radiotherapy, is living well after 15 months of follow-up. Pathology showed a well-differentiated lesion composed of uniform, round cells with perinuclear halos in a neuropil background, immunohistochemically positive for neuronal markers. This was a cystic extraventricular neurocytoma(glio-neuronal tumor) arising from the left- parietal lobe. Its features were consistent with neurocytoma pathologically and were different from those of irtraventricular neurocytoma pathophysiologically. We outline the morphological and immunohistochemical eva´uations necessary to recognize this rare tumor
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KEYWORD
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Neurocytoma, Extraventricular origin, Synaptophysin
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