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Clear-cell Ependymoma of the Cerebellum: A Case Report

Cited 4 time in Web of Science Cited 6 time in Scopus
Issue Date
2007
Publisher
Ultrastructural pathology
Citation
Ultrastructural Pathology. 2007;31:241–247
Keywords
cerebellumchildclear cell ependymomaimmunohistochemistryultrastructure
Abstract
A case of clear-cell ependymoma occurring in the cerebellum of a 3-year-old girl is reported. Light-microscopically, the tumor consisted mainly of clear cells with a perinuclear halo and showed some vague perivascular pseudorosettes, not true rosettes. In addition, the histological features of anaplasia, characterized by increased mitosis and focal pseudopalisading necrosis, were also observed. Immunohistochemically, the tumor cells were focally positive for glial fibrillary acidic protein and weakly positive for epithelial membrane antigen. Ultrastructurally, the intermediate junctions and rudimentary cilia confirmed the ependymal differentiation. Fifteen cases of infratentorial clear-cell ependymoma have been reported to date, and this case is the second childhood tumor among them, to the best of the authors' knowledge.
ISSN
1521-0758 (Electronic)
Language
English
URI
http://www.informaworld.com/smpp/content~db=all?content=10.1080/01913120701446841

https://hdl.handle.net/10371/23397
DOI
https://doi.org/10.1080/01913120701446841
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College of Medicine/School of Medicine (의과대학/대학원)Radiology (영상의학전공)Journal Papers (저널논문_영상의학전공)
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