Microcystic Meningioma Without Enhancement on Neuroimaging : Case Report
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概要
- 論文の詳細を見る
A 63-year-old female presented with an unusual case of microcystic meningioma manifesting as a 4-year history of unsteady gait, dysarthria, and hearing loss. Computed tomography disclosed a large hypodense mass in the right cerebellopontine angle, clivus, and middle fossa, with slight contrast enhancement. T_1-weighted magnetic resonance images demonstrated the lesion as a hypointense mass, which was little enhanced by gadolinium-diethylenetriaminepenta-acetic acid. Right carotid angiography revealed blood supply from the external carotid artery, but no tumor staining. The extracerebral tumor was subtotally removed. The histological diagnosis was microcystic meningioma. Light microscopy revealed abundant microcysts throughout the tumor tissue, and electron microscopy disclosed that the microcysts were mostly located in the extracellular spaces and only a few in the cytoplasm. Microcystic meningioma without enhancement is rare and should be differentiated from low-grade astrocytoma, epidermoid, or other non-enhanced tumor.
- 日本脳神経外科学会の論文
- 1997-05-15
著者
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HARA Akira
Department of Pathology, Gifu University School of Medicine
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SAKAI Noboru
Department of Neurosurgery,Gifu University School of Medicine
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UEDA Tetsuya
Department of Biological Science and Technology, Science University of Tokyo
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Kagawa Yasuo
Department Of Biochemistry Faculty Of Medicine Jichi Medical School
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Hara Akira
Department Of Applied Biological Chemistry Faculty Of Agriculture Meijo University
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Hara Akira
Department Of Pathology Gifu University School Of Medicine
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Sakai Noboru
Department Of Neurosurgery Gifu University School Of Medicine
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Sakai Noboru
Department Of Food Engineering Tokyo University Of Fisheries
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KUBOTA Yoshinori
Department of Neurosurgery, Murakami Memorial Hospital, Asahi University
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Kubota Yoshinori
Department Of Information Electronics School Of Engineering Nagoya University
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Kagawa Yasuo
Department Of Neurosurgery Gifu University School Of Medicine
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Ueda Tetsuya
Department Of Neurosurgery Gifu University School Of Medicine
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Ueda Tetsuya
Department Of Biological Science And Technology Science University Of Tokyo
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久保田 芳則
Department of Neurosurgery, Murakami Memorial Hospital, Asahi University
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