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J Korean Soc Radiol. 2013 Jan;68(1):5-8. English. Case Report. https://doi.org/10.3348/jksr.2013.68.1.5
Seo GY , Byun JS , Kim JK , Kwon JT , Park ES , Jung YY .
Department of Radiology, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul, Korea. flightdr61@cau.ac.kr
Department of Neurosurgery, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul, Korea.
Department of Pathology, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul, Korea.
Abstract

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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