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Cholesterol Granuloma of the Paranasal Sinuses Masanori Yamamoto 1 1Department of Otolaryngology,Omiya Medical Center Jichi Medical School pp.286-291
Published Date 2003/4/20
DOI https://doi.org/10.11477/mf.1411101003
  • Abstract
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 Cholesterol granuloma usually arises in the middle ear cavity,especialy in the mastoid air cells and tympanic cavity. Cholesterol granuloma arising from the paranasal sinus is uncommon.

 Three patients with cholesterol granuloma arising from the paranasal sinus are presented and discussed.

 The diagnosis will be made,in addition to the clinical findings,mainly by X-ray and MRI techniques. On computed tomography,cholesterol granuloma is of the same density as brain tissue and lack contrast-medium enhancement. On magnetic resonance imaging(MRI),cholesterol granuloma is characterized by increased signal intensity on both T1 and T2 weighted images.

 Differential diagnosis must include mucoceles,cysts and neoplasms. Treatment consists of radical clearance and drainage of the affected sinus cavity.


Copyright © 2003, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1316 印刷版ISSN 0914-3491 医学書院

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