Isolation of fungi belonging to the genera Geotrichum and Trichosporum from human dermal lesions

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Abstract
Summary Isolates of Geotrichum and Trichosporum spp. obtained from patients with a variety of dermal lesions were studied. Among 2,202 cases examined, microorganisms of these genera were recovered from 100 (4,5%); there were 38 isolates of Geotrichum- and 62 of Trichosporum- spp. Most isolations were obtained from nails: 52 cases. The species most frequently found were T. beigelii (25 cases) and G. candidum (30 cases). In 50 of the patients, these fungi were isolated in pure culture, in an additional 40 Trichosporum spp. were found. Mixed cultures with C. albicans were observed in 28 patients, with other Candida spp. in 16 and with dermatophytes in 6. Among the patients whose isolations occurred in pure cultures, the number of colonies recovered was large in 20 cases, 1 with Geotrichum candidum — 19 with Trickosporum (16 T. beigelii, 3 T. capitatum). The relationship between the isolated yeast-like fungi and the dermal lesion was considered to be direct in these 20 patients.

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