An Epidemiological Study of Human Dermatophytosis in Karaj (2001)



One of the problems of public health in Iran is mycotic inflection which its incidence is not known. The most important disease of them is dermatophytosis. In this regard, determination of various species of etiologic agent, infection source, the risk of contact to animals, and public training are necessary to perform epidemiologic studies. In this research 750 suspected samples (including 560 male and 190 female) were studied , in which 157 cases (21%) suffering from dermatophytosis and out of them, 100 cases were positive culture. Out of isolated dermatophytps 69% were anthropophilic 30% zoophilic and 1% were geophilic. Zoophilic agents include T. verrucosum 11% (11 cases), M. canis 10% (10 cases) and T. mentagrophytes 9% (9 cases). The most impairments were observed in 0 – 9 years of age groups and the agent was M. canis appearing tinea capitis. The most prevalent ringworm agent was E. floccosum which was seen in groin. The most prevalent tinea unguinm was in 0- 9 years and 10 – 19 years of age and its agent was T. mentagrophytes. The most prevalent tinea manuum was in 20 – 29 of age and its agent was T. rubrum.