Abstract
Although the natural habitat of Trichosporon species is considered to be the soil, the role of normal skin in the carriage of Trichosporon beigelii is unknown. The purpose of this study was to determine the prevalence of T. beigelii colonization on normal perigenital skin. Inguinal skin scrapings were obtained from 322 asymptomatic volunteers. There were 261 males and 61 females ranging in age from 18 to 89; 136 were white, 134 were black, and 52 were Hispanic. Specimens were cultured on Sabouraud's glucose agar containing 500 micrograms ml-1 chloramphenicol, and incubated at 23-26 degrees C for up to 4 weeks. The overall incidence of T. beigelii colonization was 12.4%. However, this varied with patient's age, sex, race and socioeconomic background. The highest prevalence (27.1%) was found in black males who attended a Veterans Affairs hospital. The prevalence was lowest in females (1.6%), and no patients who attended a private clinic were colonized. It was concluded that T. beigelii colonizes normal skin with some regularity.
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