Astroblastoma: Immunohistochemical and ultrastructural study of distinctive epithelial and probable tanycytic differentiation
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概要
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We report the clinicopathological findings of astroblastoma found in an 8-year-old girl who was subsequently treated for 11 years. The primary superficially circumscribed tumor was located in the frontoparietal lobe, while the recurrent and the second recurrent tumor were restricted to the same region 11 years later. The tumors obtained on these three occasions showed fundamentally the same histological, immunohistochemical and fine structural features. They exhibited astrocytic as well as ependymal tanycytic features with apparent epithelial cell lineage. The tumor cells showed typical features of astroblastoma comprising prominent perivascular pseudorosettes with remarkable vascular sclerosis. The immunohistochemical study revealed intensive positivity of GFAP, vimentin, epithelial membrane antigen (EMA), cytokeratin, connexin 26 and 32, desmocollin 1 and neuronal cadherin. The fine structure revealed divergent types of junctional complexes, some of which were connected with tonofilament bundles. Numerous microvilli protruded and basal lamina abutted on the tumor cell surface. We report these unique histological features, and stress that astroblastoma should be categorized as a specific type of neuroepithelial tumor.
- Blackwell Publishingの論文
- 2006-02-01
著者
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Takeuchi Hiroaki
Department of Oral Health, National Institute of Public Health
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Sato Kazufumi
Department Of Neurosurgery Faculty Of Medical Sciences University Of Fukui
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KUBOTA Toshihiko
Department of Neurosurgery, University of Fukui
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NAKAGAWA Takao
Department of Infrared Astrophysics, Institute of Space and Astronautical Science (ISAS), Japan Aero
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Nakagawa Takao
Department Of Emergency Medicine Tokyo Women's Medical University Daini Hospital
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Nakagawa Takao
福井医科大学脳神経外科
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Takeuchi Hiroaki
Department Of Neurosurgery Faculty Of Medical Sciences University Of Fukui
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Kubota Toshihiko
Department Of Neurosurgery Faculty Of Medical Sciences University Of Fukui
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Kubota Toshihiko
Department Of Neurosurgery Fukui Medical School
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Kubota Toshihiko
Department Of Neurosurgery Kaga Central Hospital
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Nakagawa Takao
Department Of Neurosurgery Faculty Of Medical Sciences University Of Fukui
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Sato K
Department Of Neurosurgery Faculty Of Medical Sciences University Of Fukui
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KITAI Ryuhei
Department of Neurosurgery, Faculty of Medical Sciences, University of Fukui
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ARISHIMA Hidetaka
Department of Neurosurgery, Faculty of Medical Sciences, University of Fukui
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Kodera Toshiaki
Department Of Neurosurgery Sugita Genpaku Memorial Obama Municipal Hospital
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Arishima Hidetaka
Department Of Neurosurgery Faculty Of Medical Sciences University Of Fukui
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Kitai Ryuhei
Department Of Neurosurgery Faculty Of Medical Sciences University Of Fukui
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Kubota Toshihiko
Department Of Internal Medicine Kitasato University School Of Medicine
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Kubota Toshihiko
Department Of Neurosurgery Sugita Genpaku Memorial Obama Municipal Hospital
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Takeuchi Hiroaki
Department Of Applied Chemistry School Of Science And Engineering Waseda University
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