mr davoud keshavarz

Dermatophytosis is a prevalent mycologic skin disease which is a widespread important health problem in the world. The ecology and etiology of the disease are important issues for its control.

In a descriptive study, 341 patients with suspected dermatophytosis were examined over a period of one year (2004-2005). Skin, hair and nail samples were evaluated by to direct microscopic examination using potassium hydroxide (KOH) the specimens were cultured in sabouraud dextrose agar. In some cases, differential tests such as corn meal agar, urease and hair perforation were used for recognizing the isolated dermatophytes.

A total of 116 dermatophytes (34%) were isolated. Tinea cruris (31.9%) was the most common type of infection, followed by tinea corporis (20.7%), tinea pedis (19%), tinea unguium (11.2%), tinea faciei (7.7%), tinea manuum (5.2%), tinea capitis (4.3%). Epidermophyton floccosum was the most frequent isolated dermatophyte (32.8%). Also Dermatophytosis was more frequent in male gender.

The anthropophilic species, E. floccosum, was the most common causative dermatophyte of tinea in Qazvin and the most common clinical type of dermatophytosis was Tinea cruris.