An intensely pruritic, eczematous reaction that follows the pattern of an allergen (e.g., from underwear elastic or topical medication).
Distinguished by its beefy-red color, involvement of the scrotum, and the presence of characteristic satellite pustules.
A bacterial infection presenting as a well-demarcated pink or brown patch that fluoresces a classic coral-red color under a Wood's lamp.
A genetic disorder causing painful erosions, maceration, and fissures in the groin, often with a 'cobblestone' appearance at the periphery.
A rare disorder that can present as a seborrheic dermatitis-like eruption in the groin, but biopsy reveals the characteristic infiltrate of Langerhans cells.
Inverse psoriasis in the groin appears as well-demarcated, shiny, erythematous plaques that typically lack scale due to moisture and spare the scrotum.
Can affect the groin but is typically less demarcated and associated with greasy scale and involvement of other classic areas like the scalp and face.
