Dermatophytosis in Children and Adolescents: Epidemiological, Clinical, and Microbiological Aspects Changing with Age

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Abstract
During a four year period, a total of 84 cases of dermatophytosis were seen in patients from 0 to 17 years of age attending our out-patient department. The sex distribution was about equal in preadolescents. Males predominated among adolescents. A peak incidence at early school age was due to cases of tinea capitis, mainly caused by Microsporum canis. A peak among adolescents was due to cases of tinea pedis, mainly caused by Trichophyton rubrum. In general, patients with Trichophyton rubrum infections were older than those with other types of dermatophytosis (p less than 0.05). Dermatophytosis due to Microsporum canis was most frequently seen in January and in September (p less than 0.01). Although onychomycosis due to dermatophytes was a comparatively rare disease, it did occur within all age subgroups. Entities which were very frequent in former times and which have become rare during the last decades, such as tinea capitis due to Trichophyton schönleinii, still contribute to the spectrum of dermatophytosis in childhood.