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Atypical keratosis obturans

Published online by Cambridge University Press:  08 March 2006

Ricardo Persaud ,
Paul Chatrath  and
Anthony Cheesman
Ricardo Persaud
Affiliation:
Department of Otolaryngology, Head and Neck Surgery, St Bartholomew’s and The Royal London Hospitals, Gray’s Inn Road, London, UK.
Paul Chatrath
Affiliation:
The Royal National Throat Nose and Ear Hospital, Gray’s Inn Road, London, UK.
Anthony Cheesman
Affiliation:
Department of Otolaryngology, Head and Neck Surgery, St Bartholomew’s and The Royal London Hospitals, Gray’s Inn Road, London, UK.
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Abstract

Keratosis obturans is a rare condition characterized by the accumulation of desquamated keratin material in the bony portion of the external auditory canal. Classically, it is reported to present with severe otalgia, conductive deafness and global widening of the canal. A case of keratosis obturans is described in which the principal symptom was a metallic taste and the main finding was extensive erosion of the hypotympanum with exposure of the facial nerve and the annulus of the tympanic membrane. This presenting symptom and resorption pattern are atypical of keratosis obturans and have not been documented previously.

Keywords

Ear ExternalKeratosisDysgeusia
Type
Research Article
Information
The Journal of Laryngology & Otology , Volume 117 , Issue 9 , September 2003 , pp. 725 - 727
Copyright
© Royal Society of Medicine Press Limited 2003

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