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Temporal bone histopathology of open mastoidectomy cavities

Published online by Cambridge University Press:  29 June 2007

Robin Youngs
Robin Youngs*
Affiliation:
(Bury St Edmunds)
*
Robin Youngs, F.R.C.S., Department of Otolaryngology, West Suffolk Hospital, Hardwick Lane, Bury St Edmunds, Suffolk IP33 2QZ
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Abstract

Open cavity mastoidectomy remains the principle surgical treatment of middle ear cholesteatoma in the United Kingdom. A significant proportion of mastoid cavities are prone to intermittent or continuous discharge.

In this study the temporal bone histopathology of four patients who had undergone open cavity mastoidectomy is presented. Cavities were predominantly lined with stratified keratinizing squamous epithelium. Residual air cells were obliterated by fibrous tissue, with no evidence of persistent respiratory epithelium. Where inflammatory changes were found, these consisted of areas of granulation tissue in association with epithelial ulceration. Residual cholesteatoma pearls (epidermoids) were not associated with significant inflammatory changes.

Keywords

Mastoid, surgeryCholesteatomaHistology
Type
Pathology in Focus
Information
The Journal of Laryngology & Otology , Volume 107 , Issue 6 , June 1993 , pp. 569 - 573
Copyright
Copyright © JLO (1984) Limited 1993

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