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ISSN: 1233-9687
Polish Journal of Pathology
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2/2014
vol. 65
 
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Quiz. What is your diagnosis?

Asmaa Abdou

J Pathol 2014; 65 (2): 165
Online publish date: 2014/07/28
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We present the case of a 65-year-old man suffering from right cheek swelling that was excised. The examined specimen revealed a firm mass measuring 4 cm × 3.5 cm × 1 cm and covered by an ellipse of skin. Histopathological examination showed multiple hair follicle dilatations in the dermis that were filled with horny material or keratin. One of these hair follicles was connected to the overlying epidermis. Multiple secondary hair follicles with sebaceous lobules embedded in their walls were radiating from the dilated primary follicles. Most of the hair follicles were surrounded by dense lymphoplasmacytic infiltrate (Fig. 1).
Copyright: © 2014 Polish Association of Pathologists and the Polish Branch of the International Academy of Pathology This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) License (http://creativecommons.org/licenses/by-nc-sa/4.0/), allowing third parties to copy and redistribute the material in any medium or format and to remix, transform, and build upon the material, provided the original work is properly cited and states its license.
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