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Visual Treats in Dermatology
2022
:2;
54
doi:
10.25259/CSDM_55_2022

Brown-black carpet over the tongue

Department of Dermatology and STD, Jawaharlal Institute of Postgraduate Medical Education and Research, Gorimedu, Puducherry, India
Department of Dermatology, Christian Medical College, Vellore, Tamil Nadu, India
Corresponding author: Arunachalam Narayanan, Department of Dermatology and STD, Jawaharlal Institute of Postgraduate Medical Education and Research, Gorimedu, Puducherry, India. narayanan359@gmail.com
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This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-Share Alike 4.0 License, which allows others to remix, transform, and build upon the work non-commercially, as long as the author is credited and the new creations are licensed under the identical terms.

How to cite this article: Narayanan A, Krishna J. Brown-black carpet over the tongue. CosmoDerma 2022;2:54.

A 30-year-old man presented to our clinic with asymptomatic, confluent, hair-like projections over the dorsum of the tongue which gave a brown-black carpet-like appearance [Figure 1]. The patient was a known case of rheumatic heart disease with severe mitral stenosis on long-term antibiotic therapy from multiple private practitioners. We made a final diagnosis of lingua villosa nigra. Lingua villosa nigra or black hairy tongue is due to the accumulation of keratin on the dorsum of the tongue. This accumulation may be due to inadequate desquamation following reduced food intake or a liquid/soft-food-based diet. Other associated factors include smoking, poor oral hygiene, oxidizing mouthwash usage, and hot beverage intake. It is a benign condition and requires no treatment. The patient can be counseled to scrape the tongue with a tongue scraper or toothbrush.[1]

Figure 1:: Confluent, hair-like projections over the dorsum of the tongue with a brown-black carpet-like appearance.

Declaration of patient consent

Patient’s consent not required as patients identity is not disclosed or compromised.

Financial support and sponsorship

Nil.

Conflict of interest

There are no conflicts of interest.

References

  1. , , , . Black hairy tongue: Predisposing factors, diagnosis, and treatment. Am J Clin Dermatol. 2017;18:563-9.
    [CrossRef] [PubMed] [Google Scholar]

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