BLACK PIEDRA. CLINICAL CASE

White piedra, black piedra, tinea versicolor, and tinea nigra: contribution to the diagnosis of superficial mycosis*

Superficial mycoses are fungal infections restricted to the stratum corneum and to the hair shafts, with no penetration in the epidermis; they are: white piedra, black piedra, tinea versicolor, and tinea nigra. This study presents images of mycological tests performed in the laboratory, as well as exams performed at the authors office, in order to improve the dermatologist's knowledge about the...

[White piedra in a pediatric patient: a case report].

Co-isolation of Trichosporon inkin and Candida parapsilosis from a scalp white piedra case.

White piedra is a rare fungal infection of the hair shaft characterized by small, firm, irregular white-brown nodules. The infection is caused by basidiomycetous yeasts in the genus Trichosporon. We report a case of a 28-year-old female patient who acquired the infection in Qatar. In this case, the scalp was the only site affected, but infection at that site was extensive. The hair had a Saccha...

Clinical and mycological study of scalp white piedra in the State of Paraíba, Brazil.

White piedra is a superficial mycoses characterized by nodules on the hair shaft, caused by the basidiomycetous yeasts. In the present study, clinical and mycological findings of scalp white piedra caused by Trichosporon spp. are related. Twenty three cases of scalp white piedra were observed with a high incidence in women (87%) and preschool children from 2 to 6 (74%) years old. These groups p...

A Rare Case of Coinfection with White Piedra and Pediculosis Capitis

On scalp hair examination, there were multiple white‐to‐brownish, firm‐to‐hard, 2–3 mm sized nodules distributed at irregular interval and encircling the hair shaft completely [Figure 1]. The nodules could not be slid over the hair shaft. Moreover, structures resembling nits were seen in the retroauricular area. Hair pull test and tug test were negative. Scalp was otherwise normal with no signs...