Dermoscopic Features of a Black Hairy Tongue in 2 Japanese PatientsReport as inadecuate

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Dermatology Research and PracticeVolume 2010 2010, Article ID 145878, 2 pages

Case Report

Department of Dermatology, Tokyo Women-s Medical University Medical Center East, 2-1-10, Nishi-Ogu, Arakawa-ku, Tokyo 116-8567, Japan

Department of Otolaryngology, Kyorin University School of of Medicine, Tokyo 181-8611, Japan

Received 5 April 2010; Accepted 22 June 2010

Academic Editor: Hans Peter Soyer

Copyright © 2010 Ken Kobayashi et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Dermoscopic features of a black hairy tongue have never been reported. Dermoscopy might be useful in speculating pathologic features of oral lesions. The objective was to identify additional dermoscopic criteria. Two Japanese patients who were clinically given a diagnosis of “black hairy tongue” were evaluated for dermoscopic features. We have shown characteristic dermoscopic features of brownish hair-like elongation of filiform papillae with whitish lingual papillae. Dermoscopic examination seemed useful as an adjunct to the diagnosis of this benign disorder of the tongue, demonstrating exact changes in shape and color of filiform papillae. It might also be helpful in more objective observation of the therapeutic efficacy.

Author: Ken Kobayashi, Yasuhiko Takei, Mizuki Sawada, Sumiko Ishizaki, Haruo Ito, and Masaru Tanaka



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