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Lim, Ha, Park, Baek, and Byun: A Case of Trichilemmal Horn
Case Report

Annals of Dermatology 2001; 13(2): 110-112.

Published online: 14 March 2016

DOI: https://doi.org/10.5021/ad.2001.13.2.110

A Case of Trichilemmal Horn

Sook Hee Lim, Ji Hyun Ha, Hyun Jeong Park, Seung-Cheol Baek, Dae Gyoo Byun

Copyright © The Korean Dermatological Association and The Korean Society for Investigative Dermatology

Abstract

Trichilemmal horn(trichilemmal keratosis) is a rare keratinizing tumor that resembles a cutaneous horn. Histologically, it is characterized by an abrupt maturation of keratinocytes into lamellar keratin without the formation of a granular layer. We describe a case of a trichilemmal horn on the right cheek of a 78-year-old woman.

Keywords: Trichilemmal horn

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