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KMID : 1103720130680010005
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Journal of the Korean Society of Radiology
2013 Volume.68 No. 1 p.5 ~ p.8
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Intracranial Extra-Axial Ependymoma in the Ambient Cistern That Initially Presented as Calcification: A Report of Case
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Seo Gi-Young
Byun Jun-Soo
Kim Jae-Kyun
Kwon Jeong-Taik
Jung Yoon-Yang
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Abstract
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Ependymomas usually occur in intraventricular or intraspinal locations. Intracranial extraaxial ependymomas (IEAEs) are very rare. Here, we present an unusual case of an IEAE in 25-year-old man. The patient experienced head trauma two and half years prior to presentation, at which time brain computed tomography (CT) showed only a dense calcification in the left ambient cistern. After two and a half years, follow up brain CT and magnetic resonance imaging depicted interval growth of a calcified mass with cystic change. The tumor was successfully treated surgically, and the pathologic examination confirmed ependymoma.
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KEYWORD
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Extra-Axial, Intracranial, Ependymoma, Ambient Cistern, Calcification
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