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White piedra

Field	Value
name	White piedra
image	Piedra Blanca Micosis.jpg
field	Infectious disease
synonyms	Tinea blanca

White piedra (or tinea blanca) is a mycosis of the hair caused by several species of fungi in the genus Trichosporon. It is characterized by soft nodules composed of yeast cells and arthroconidia that encompass hair shafts.

Signs and symptoms

White piedra is asymptomatic.

Diagnosis

White piedra is caused by Trichosporon beigelii. White piedra can occur on the hair of the scalp; Trichosporon ovoides is likely the cause in this case. White piedra can occur on pubic hair; T. inkin likely causes this.

Trichosporon mucoides can also cause white piedra. In such cases, a periodic acid-Schiff–diastase stain and fungal culture may aid in diagnosis.

Treatment

There are several approaches to treat this infectious disease. One approach involves shaving the affected areas. Another approach involves the use of antifungal medication, such as ketaconazole shampoo.

References

(July 2002). "Clinical and mycological study of scalp white piedra in the State of Paraíba, Brazil". Memórias do Instituto Oswaldo Cruz.
(2021-03-01). "White Piedra". JAMA Dermatology.
(2018-12-13). "White Piedra: Clinical, Mycological, and Therapeutic Experience of Fourteen Cases". Skin Appendage Disorders.
(2009). "White piedra in a mother and daughter". International Journal of Trichology.
(2009). "Two cases of scalp white piedra caused by Trichosporon ovoides". Indian Journal of Dermatology, Venereology and Leprology.
(2019). "A case of scalp white piedra caused by trichosporon ovoides". International Journal of Trichology.
(2011). "White piedra of scalp hair by Trichosporon inkin". Indian Journal of Dermatology, Venereology and Leprology.
(2015). "Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases".
(December 2006). "White piedra in children". Journal of the American Academy of Dermatology.

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

mycosis-related-cutaneous-conditions human-hair

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