• Weon Ju Lee, Kyung Hea Park, Mi So Kim, Seok-Jong Lee, KimDo WonDWDepartment of Dermatology, Kyungpook National University School of Medicine, Daegu, Korea., Yong Jun Bang, and Jae Bok Jun.
• Department of Dermatology, Kyungpook National University School of Medicine, Daegu, Korea.
• J. Korean Med. Sci. 2014 Feb 1; 29 (2): 272-6.

AbstractTrichophyton mentagrophytes is the second common dermatophyte in Korea. However, few reports have been issued on the epidemiological and mycological characteristics of T. mentagrophytes in Korea based on long-term, large-scale study. The purpose of this study was to elucidate the epidemiological and mycological characteristics of T. mentagrophytes in Korea. During the 21-yr-period from 1992 to 2012, 6,250 patients with T. mentagrophytes were surveyed to determine annual incidence and the distribution of subjects by age, sex, season, involved sites, and place of residence. T. mentagrophytes infections were confirmed by fungal culture. In addition, the colony appearance of T. mentagrophytes was classified as granular, persicolor, powdery, or downy. Epidemiological analysis showed that annual incidence reached a peak in 2005, and then gradually decreased. T. mentagrophytes infection was most common in July, and was found predominantly in middle-aged adults, especially in those in their forties. Mycological analysis showed a powdery colony appearance was the most common, followed by persicolor and granular colonies. Toewebs were most frequently involved. This investigation on T. mentagrophytes provides insights into its incidence and characteristics.

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