Plaque psoriasis, a chronic autoimmune disorder that causes thick, scaly, itchy patches—the eponymous plaques—to form on the skin, affects more than 7.5 million adults in the United States.
Even though he suffers from psoriasis ... have severe skin lesions or plaque on very visible or large areas of the body. Plaques form when immune system T-cells go awry and trigger skin cells ...