Background & Objectives: In spite of extensive advances in diagnosis and treatment of cutaneous diseases, cutaneous fungal infections are still one of the important reasons to refer to dermatology centers. Incidence of dermatophytosis species is different in various regions. Recognition of these agents has important role in its treatment and eradication. The aim of this study was to determine the various species of dermatophytes in patients referring to Haft-e-Tir Hospital, Tabriz.

 Methods: This descriptive-analytical study was done on 518 patients referring to Haft-e-Tir hospital from 1997 until 1998. Direct examination in their cutaneous and nail lesions was positive for dermatophytosis. All the samples from their lesions were cultured in special culture media including dextrose agar and sabouraud's dextrose agar plus chloramphenicol and cyclohexamide. The collected data were analysed by SPSS software.

 Results: There were positive cultures in 70.3% of the cases. Trichophyton verrucosom was the most common agent in all of cutaneous and nail infections. Involvement was more common among the subjects under 15 as well as among males and villagers. Tinea corporis was the most common clinical form of the disease.

 Conclusion: The findings indicated that zeophilic species and anthropophilic respectively are the most common dermatophytosis species in the region under study. Culture was positive only in ³/₄ of the samples.