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Unusual CT and MRI Appearance of the Epidermoid Tumor : A Case Report Kazuo Miyagi 1 , Takao Imaizumi 1 , Hiroshi Yamanouchi 2 , Hiroyuki Hayashi 3 , Shu Kobayashi 3 1Department of Neurology Ohji-Seikyo Hospital 2Department of Neurology, Tokyo Metropolitan Geriatric Hospital 3Neurosurgery, Tokyo Metropolitan Geriatric Hospital Keyword: epidermoid tumor , computed tomography , magnetic resonance imaging pp.177-181
Published Date 1993/2/1
DOI https://doi.org/10.11477/mf.1406900448
  • Abstract
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We reported a case of epidermoid tumor with unusual findings on CT and MRI. A 41-year old woman was admitted because of headache. On admission she had no neurological deficits. CTrevealed a lobular homogenous high-dense mass with a sharp margin in the mid-portion of the posterior fossa. The mass was shown as a low signal intensity on both T1-and T2-weighted MRI. An encapsulated mass containing "motor oil" like viscid fluid was removed by surgical operation. Histological examination revealed epidermoid cyst. CT-dense epidermoid tumor was discussed with referring to the literature.


Copyright © 1993, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 2185-405X 印刷版ISSN 0006-8969 医学書院

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