Tinea Corporis Causative Organisms and Treatment

Geographic and Population Variations

In athletic populations, particularly wrestlers and judo practitioners, Trichophyton tonsurans is the dominant pathogen, accounting for more than 80% of tinea corporis gladiatorum cases 1, 2
Trichophyton rubrum and Trichophyton mentagrophytes are also recognized as common causative agents, particularly in non-athletic populations 1, 2
Studies of wrestlers show remarkably high prevalence rates: 24% of wrestlers had tinea corporis lesions versus 0% in control groups, and 53% of judo practitioners aged 15-17 years were affected 1, 2

Terbinafine demonstrates superior efficacy for T. tonsurans infections compared to other antifungal agents 1, 2, 3
Itraconazole 100 mg daily for 15 days achieves 87% mycological cure rates in adolescents and adults, significantly superior to griseofulvin's 57% cure rate 1, 2, 3
The definitive endpoint for adequate treatment should be mycological cure (negative microscopy and culture), not just clinical improvement, as clinical appearance may improve while infection persists 3