Tinea cruris or “jock itch” is a superficial infection of the groin and surrounding skin caused by dermatophytes (1).
Tinea in the groin produces a brownish red rash with pustules and vesicles at the active borders (2).
It occurs
Associated tinea pedis may often be a source of infection. Most common causative pathogen is Trichophyton rubrum (2).
There is often spread of the infection from the groins to involve the lower abdomen, scrotum and buttocks. Often patients complain of burning and pruritus (2).
Diagnosis can be confirmed by culture. Wood's light is unhelpful in diagnosing this condition (2).
Key points (4):
Reference:
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