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A Case of Cholesterol Granuloma of the Petrous Apex Presented with a Clinical Course of Ménière's Disease Koji Yuen 1 1Department of Otolaryngology, Okayama University School of Medicine pp.871-874
Published Date 1994/10/20
DOI https://doi.org/10.11477/mf.1411900997
  • Abstract
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A 47-year-old woman developed intermittent vertigo, constant dizziness, left hearing loss and tinnitus 3 years previously.

CT revealed a tumor at the petrous apex and the posterior fossa, with calcified margins and no en-hancement. Otoneurological examinations showed severe sensorineural hearing loss, left vestibular dysfunction and a positive glycerol test suggesting endolymphatic hydrops.

Surgery revealed that tumor had invaded the temporal bone and destroyed the superior semicircu-lar canal. Pathological findings showed cholesterol crystals and giant cells but no epithelial component, and diagnosis of cholesterol granuloma was made.

Dysfunction of endolymph drainage caused endo-lymphatic hydrops and showed the symptoms like Ménière's disease.


Copyright © 1994, 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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