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Large cholesterol granuloma of the petrous apex treated via subcochlear drainage

Published online by Cambridge University Press:  08 March 2006

M. Jaramillo  and
P. C. Windle-Taylor
M. Jaramillo
Affiliation:
Department of Otolaryngology, Head and Neck Surgery, Derriford Hospital, Plymouth, U.K.
P. C. Windle-Taylor
Affiliation:
Department of Otolaryngology, Head and Neck Surgery, Derriford Hospital, Plymouth, U.K.
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Abstract

This is a case report of a patient with bilateral cholesterol granuloma of the petrous apex, who presented with unilateral symptoms. Initially suspected as having a dermoid cyst, he underwent posterior fossa exploration, drainage and biopsy. Symptoms recurred one year later and subcochlear drainage of the petrous apex cyst was successfully performed. Follow-up for over 18 months shows no clinical nor imaging signs of recurrence.

A MEDLINE literature search was carried out and relevant paper publications reviewed. Case presentation including initial, pre- and post-operative imaging is presented. This is followed by discussion of current concepts on the presentation and management of large cholesterol cysts of the petrous apex.

Keywords

Petrous BoneCholesterolGranulomaForeign BodySurgical ProceduresOperative
Type
Research Article
Information
The Journal of Laryngology & Otology , Volume 115 , Issue 12 , December 2001 , pp. 1005 - 1009
Copyright
© Royal Society of Medicine Press Limited 2001

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