James L.Campbell Jr., M.D., M.S.
Adjunct Assistant Professor of Medicine (Dermatology), Dartmouth Medical School
Psoriasis and other papulosquamous diseases
Papulosquamous diseases are a group of disorders characterized by scaly papules and plaques. These entities have little in common except the clinical characteristics of their primary lesion. There are many diseases that present with papules and scale. The major papulosquamous diseases are described here. Psoriasis is the most common papulosquamous disease. It affects from 1-3% of the population.