Intraventricular meningioma with anaplastic transformation and metastasis via the cerebrospinal fluid.

Intraventricular meningioma with anaplastic transformation and metastasis via the cerebrospinal fluid. Research Abstract Details 

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Intraventricular meningioma with anaplastic transformation and metastasis via the cerebrospinal fluid. Abstract Text:

Masayuki Shintaku,Kenji Hashimoto,Shin-Ichiro Okamoto,Masayuki Shintaku,Kenji Hashimoto,Shin-Ichiro Okamoto,

We report a surgical case of intraventricular meningioma that arose in the trigone of the right lateral ventricle of a 61-year-old woman. Local recurrence and metastasis (dissemination) via the CSF to the fourth ventricle developed about 52 months postoperatively. Further subarachnoid dissemination in the pontine base and spinal cord occurred 6 months later. The tumor exhibited a histopathological appearance of transitional meningioma without cellular atypism in the original specimen, but in the metastatic nodules in the fourth ventricle and spinal subarachnoid space the histopathology was that of typical anaplastic meningioma. Only four cases of anaplastic intraventricular meningioma that developed metastasis via the CSF have been reported. This report presents the fifth case, which is also the second case in which progression from ordinary low-grade meningioma to anaplastic meningioma was demonstrated histopathologically.

Intraventricular meningioma with anaplastic transformation and metastasis via the cerebrospinal fluid. Publishing Authors By Initials

M Shintaku,K Hashimoto,S Okamoto,M Shintaku,K Hashimoto,S Okamoto,

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Intraventricular meningioma with anaplastic transformation and metastasis via the cerebrospinal fluid. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Neuropathology : official journal of the Japanese

VOLUME: 27

Page Numbers: 448-52

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ISSN: 0919-6544

DAY: 16

MONTH: Oct

YEAR: 2007

Intraventricular meningioma with anaplastic transformation and metastasis via the cerebrospinal fluid. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Intraventricular meningioma with anaplastic transformation and metastasis via the cerebrospinal fluid.

AFFILIATION: Department of Pathology, Osaka Red Cross Hospital, Osaka, Japan. masa-s@sings.jp

Country: Australia

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MEDLINETA: Neuropathology

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