Dermatophytosis, especially tinea capitis, tinea corporis and tinea cruris, occurs
worldwide but is very common in tropical countries. Ninety-eight percent
of tinea capitis is seen in children; there are occasional cases in adult women. From 3-28% of children from low social-economic groups have tinea capitis. Favus
is a tinea found only in Africa and South America. Tinea imbricata is endemic
in the Pacific Islands, some parts of Malaysia, India and Latin America. Tinea cruris and tinea pedis are frequently seen in adult men with a range of 17%-20%
and 70%, respectively. Tinea pedis is not common in children (1.5%). In som reports onychomycosis occurs in 54-70% of adult men. It occurs in 18%-60% of onychopathies and in 30% of dermatophytosis.