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Co-existing pleomorphic and tubular basal cell adenomas of the parotid gland

Published online by Cambridge University Press:  29 June 2007

Louis T. C. Chow  and
W. H. Chow
Louis T. C. Chow*
Affiliation:
Department of Anatomical and Cellular Pathology, Prince of Wales Hospital, Hong Kong.
W. H. Chow
Affiliation:
Department of Medicine, Grantham Hospital, Hong Kong.
*
Address for correspondence: Dr Louis T. C. Chow, Department of Anatomical and Cellular Pathology, Prince of Wales Hospital, 30–32, Ngan Shing Street, Shatin, Hong Kong. Fax: (852)-2637-6274.
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Abstract

We report a hitherto undescribed case of co-existence of a pleomorphic adenoma and a tubular basal cell adenoma affecting the superficial lobe of the left parotid gland of a 53-year-old man. The histology of the pleomorphic adenoma is also of interest in that the prominent adipose metaplasia of its myxoid stroma yielded an appearance reminiscent of myxoid lipoma. The tubular basal cell adenoma showed gross cystic change, and its solid portion consisted of closely packed tubules lined by double layers of cuboidal cells with little intervening stroma. Unlike Warthin's tumour and membranous basal cell adenoma, both pleomorphic and tubular basal cell adenomas exhibit no propensity towards multicentricity or bilaterality. We, therefore, believe that their co-existence in the superficial lobe of the parotid gland of our patient is a mere concidence rather than association.

Keywords

Parotid neoplasmsAdenoma, pleomorphicAdenoma, tubular basal cell
Type
Pathology in Focus
Information
The Journal of Laryngology & Otology , Volume 111 , Issue 2 , February 1997 , pp. 182 - 185
Copyright
Copyright © JLO (1984) Limited 1997

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