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An outbreak of scalp white piedra in a Brazilian children day care / Surto de piedra branca afetando os cabelos do couro cabeludo de crianças em creche brasileira
Roselino, Ana Maria; Seixas, Ana Beatriz; Thomazini, José A; Maffei, Claudia M. L.
  • Roselino, Ana Maria; USP. Faculdade de Medicina de Ribeirão Preto. Department of Internal Medicine. Division of Dermatology. Ribeirão Preto. BR
  • Seixas, Ana Beatriz; USP. Faculdade de Medicina de Ribeirão Preto. Department of Internal Medicine. Division of Dermatology. Ribeirão Preto. BR
  • Thomazini, José A; USP. Faculdade de Medicina de Ribeirão Preto. Department of Surgery and Anatomy. Ribeirão Preto. BR
  • Maffei, Claudia M. L; University of São Paulo. Faculty of Medicine of Ribeirão Preto. Department of Cellular and Molecular Biology and Pathogenic Bio-Agents. BR
Rev. Inst. Med. Trop. Säo Paulo ; 50(5): 307-309, Sept.-Oct. 2008. tab, ilus
Article in English | LILACS | ID: lil-495768
ABSTRACT
White piedra is a superficial mycosis caused by Trichosporon spp. that affects the hair shaft of any part of the body. It is presented an outbreak of scalp white piedra seen in 5.8 percent of the children frequenting a day care in Northeastern of São Paulo State, Brazil. Mycological exam and culture identified T. cutaneum in all five cases, and scanning electron microscopy of nodules around hair shaft infected by Trichosporon spp. is demonstrated comparing them with those of black piedra and with nits of Pediculous capitis.
RESUMO
Piedra branca caracteriza-se por ser micose superficial, causada por Trichosporon spp., que compromete a haste dos pelos de qualquer região do corpo. Um surto de piedra branca, afetando os cabelos do couro cabeludo, foi registrado em 5,8 por cento das crianças que freqüentavam uma creche na região nordeste do estado de São Paulo. Exame micológico direto e cultura identificaram T. cutaneum nas cinco crianças afetadas. Enfatiza-se a utilização da microscopia eletrônica de varredura, que mostrou nódulos circundando a haste dos cabelos infectada por Trichosporon spp., comparando-os com nódulos de Piedra nigra e com lêndeas de Pediculus capitis.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Piedra / Scalp Dermatoses / Trichosporon / Child Day Care Centers Type of study: Diagnostic study / Prognostic study Limits: Child, preschool / Female / Humans Country/Region as subject: South America / Brazil Language: English Journal: Rev. Inst. Med. Trop. Säo Paulo Journal subject: Tropical Medicine Year: 2008 Type: Article Affiliation country: Brazil Institution/Affiliation country: USP/BR / University of São Paulo/BR

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Full text: Available Index: LILACS (Americas) Main subject: Piedra / Scalp Dermatoses / Trichosporon / Child Day Care Centers Type of study: Diagnostic study / Prognostic study Limits: Child, preschool / Female / Humans Country/Region as subject: South America / Brazil Language: English Journal: Rev. Inst. Med. Trop. Säo Paulo Journal subject: Tropical Medicine Year: 2008 Type: Article Affiliation country: Brazil Institution/Affiliation country: USP/BR / University of São Paulo/BR