An intensely pruritic, eczematous reaction in a pattern conforming to an external allergen, not an annular plaque.
Presents as ring-shaped plaques that are typically thicker, more erythematous, and have a silvery scale, with a negative KOH prep.
Presents as coin-shaped, intensely itchy, weeping, or crusted plaques, lacking the central clearing of tinea.
Characterized by annular erythematous plaques with a distinctive 'trailing scale' on the inner edge of the advancing border.
Presents as an asymptomatic, non-scaly ring of firm, skin-colored or erythematous papules.
A bacterial infection that can be bullous or present with characteristic honey-colored crusts.
Presents as oval, slightly scaly patches that are typically yellowish-brown and may have a 'cigarette paper' wrinkled appearance.
A different fungal infection (Malassezia) causing hypo- or hyperpigmented macules with a fine scale, typically on the upper trunk.
Presents as photosensitive, annular, or papulosquamous plaques, often with some atrophy, and is associated with positive Ro/SSA antibodies.
