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Revista do Instituto de Medicina Tropical de São Paulo

On-line version ISSN 1678-9946


ROSELINO, Ana Maria; SEIXAS, Ana Beatriz; THOMAZINI, José A.  and  MAFFEI, Claudia M.L.. An outbreak of scalp white piedra in a Brazilian children day care. Rev. Inst. Med. trop. S. Paulo [online]. 2008, vol.50, n.5, pp. 307-309. ISSN 1678-9946.

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% 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.

Keywords : White piedra; Epidemiology; Outbreak; Trichosporon spp.; T. cutaneum; T. beigelii.

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