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Tinea cruris (TC), also known as jock itch, is a common type of contagious, superficial fungal infection of the groin and buttocks region, which occurs predominantly but not exclusively in men and in hot-humid climates. [3] [4] Typically, over the upper inner thighs, there is an intensely itchy red raised rash with a scaly well-defined curved ...
In the German sprachraum this condition is called tinea inguinalis (from Latin inguen = groin) whereas tinea cruris is used for a dermatophytosis of the lower leg (Latin crus). [13] Tinea cruris is similar to Candidal intertrigo, which is an infection of the skin by Candida albicans.
Tinea pedis + onychomycosis, Tinea corporis, Tinea capitis are the most common dermatophytosis found in humans across the world. [34] Tinea capitis has a greater prevalence in children. [31] The increasing prevalence of dermatophytes resulting in Tinea capitis has been causing epidemics throughout Europe and America. [34]
Athlete's foot, known medically as tinea pedis, is a common skin infection of the feet caused by a fungus. [2] Signs and symptoms often include itching, scaling, cracking and redness. [3] In rare cases the skin may blister. [6] Athlete's foot fungus may infect any part of the foot, but most often grows between the toes. [3]
Individuals with tinea pedis are likely to have infection at multiple sites. [12] Infections can be spontaneously cured or controlled by topical antifungal treatment. Although T. rubrum tinea pedis in children is extremely rare, it has been reported in children as young as two years of age. [13]
Epidermophyton is a genus of fungus causing superficial and cutaneous mycoses, including E. floccosum, and causes tinea corporis (ringworm), tinea cruris (jock itch), tinea pedis (athlete's foot), and tinea unguium (fungal infection of the nail bed).
[3] [6] Superficial fungal infections include common tinea of the skin, such as tinea of the body, groin, hands, feet and beard, and yeast infections such as pityriasis versicolor. [7] Subcutaneous types include eumycetoma and chromoblastomycosis, which generally affect tissues in and beneath the skin.
The fungus was first isolated in 1870 from a tinea cruris patient in Germany by Carl Otto Harz, who named it Acrothecium floccosum. [10] Being unaware of Harz's work, Castellani and Sabouraud identified the species again in 1905 and 1907, respectively, and both placed the fungus into the genus Epidermophyton. [11]