Unpredictable and irritating, psoriasis is one of the most baffling and persistent of skin disorders. It's characterized by skin cells that multiply up to 10 times faster than normal. As underlying cells reach the skin's surface and die, their sheer volume causes raised, red plaques covered with white scale.
Nummular eczema. Round coin-shaped lesions of eczema on the legs of a child. Nummular eczema is a chronic, pruritic, inflammatory dermatitis occuring in the form of coin-shaped plaques. It is seen in individuals with very dry skin and/or atopic dermatitis.