Pemphigus foliaceous is a rare superficial pemphigus disease characterized by multiple, pruritic, scaly, crusted cutaneous erosions, with flaky circumscribed patches, localized mostly on the face, scalp, trunk and extremities, often presenting an erythematous base. Mucosal involvement is rarely observed.

Pemphigus foliaceus is an autoimmune blistering disease of the skin with characteristic lesions that are scaly, crusted erosions, often on an erythematous base. [Wikipedia]