Photoletter to the editor: The Friar Tuck sign in trichotillomania

doi:10.3315/jdcr.2012.1103

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Research Article | Volume 6 Issue 2 (None, 2012) | Pages 63 - 64

Photoletter to the editor: The Friar Tuck sign in trichotillomania

Lígia Peralta

Paulo Morais

Under a Creative Commons license

Open Access

DOI : 10.3315/jdcr.2012.1103

PMID : PMC3399682

Received

Nov. 16, 2011

Published

June 30, 2012

Abstract

Trichotillomania (TTM) is an impulse-control disorder, in which patients chronically pull hair from the scalp and/or other sites. We herein report a 8-year-old male patient who developed TTM in the classical tonsure pattern ("Friar Tuck" sign). The diagnosis was confirmed by trichoscopy, which showed decreased hair density, broken hairs with different shaft lengths, black dots, signs of hemorrhage, and an absence of exclamation mark hairs.

Keywords

Alopecia

Dermoscopy

Friar Tuck sign

Trichotillomania

Trichoscopy

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