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Nasopharyngeal Warthin's tumour: A metaplastic lesion

Published online by Cambridge University Press:  29 June 2007

S. Kristensen*
Affiliation:
Department of Otorhinolaryngology, St Joseph's Hospital, 6700 Esbjerg, Denmark.
K. Tveterås
Affiliation:
Department of Otorhinolaryngology, St Joseph's Hospital, 6700 Esbjerg, Denmark.
I. Friedmann
Affiliation:
Department of Histopathology, Northwick Park Hospital, Harrow, Middlesex HA1 3UJ, Great Britain
Per Thomsen
Affiliation:
Department of Pathology, Central Hospital, 6700 Esbjerg, Denmark.
*
Søren Kristensen, M.D., Head of the Dept. of Otorhinolaryngology, Dept. of Otorhinolaryngology, St Joseph's Hospital, DK-6700 Esbjerg, Denmark.

Abstract

Warthin's tumour arising from minor salivary glands of the nasopharynx is described in a patient with eosinophilic rhinitis and nasal polyposis. The microscopical features of this lesion were indistinguishable from those of Warthin's tumours of the parotid gland. The present case supports the histogenetic theory that the epithelial component of extraparotid Warthin's tumours represents reactive oncocytic metaplasia and hyperplasia induced by chronic inflammation rather than genuine neoplasia. It is suggested that the term Warthin's tumour is preferable to designations indicating neoplasia of these extraparotid lesions which are indistinguishable histologically and ultrastructurally from parotid and juxtaparotid adenolymphomas.

Information

Type
Clinical Records
Copyright
Copyright © JLO (1984) Limited 1989

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