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An unusual middle-ear mass

Published online by Cambridge University Press:  09 July 2009

M Muller ,
I Zammit-Maempel ,
J Hill  and
B Wilkins
M Muller*
Affiliation:
Department of Radiology, Freeman Hospital, Newcastle upon Tyne, UK
I Zammit-Maempel
Affiliation:
Department of Radiology, Freeman Hospital, Newcastle upon Tyne, UK
J Hill
Affiliation:
Department of ENT, Freeman Hospital, Newcastle upon Tyne, UK
B Wilkins
Affiliation:
Department of Pathology, Freeman Hospital, Newcastle upon Tyne, UK
*
Address for correspondence: Dr Michelle Muller, Consultant Radiologist, Freeman Hospital, Freeman Road, Newcastle upon Tyne NE7 7DN, UK. E-mail: michelle.muller@nuth.nhs.uk
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Abstract

Objective:

We describe a case of endolymphatic sac tumour confined to the middle ear, which radiologically mimicked a glomus tympanicum, in a 58-year-old woman with tinnitus.

Case report:

A 58-year-old woman presented with a one-year history of right-sided tinnitus. The clinical, radiological and surgical features were felt to be in keeping with a glomus tympanicum. However, the histopathological picture was that of a low grade papillary carcinoma of the endolymphatic sac, i.e. an endolymphatic sac tumour.

Conclusion:

Endolymphatic sac tumours are classically locally aggressive and centred around the petrous temporal bone. Further growth results in complete replacement of the mastoid and petrous pyramid by tumour. To the best of our knowledge, there have been no previous reports of an endolymphatic sac tumour located solely within the hypo- and epitympanum of the middle ear.

Keywords

Carcinoma, PapillaryEndolymphatic SacEar, Middle
Type
Clinical Records
Information
The Journal of Laryngology & Otology , Volume 124 , Issue 1 , January 2010 , pp. 108 - 110
Copyright
Copyright © JLO (1984) Limited 2009

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