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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
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.

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.

Type
Research Article
Copyright
© Royal Society of Medicine Press Limited 2001

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