This photograph demonstrates brownish, hyperpigmented, velvety plaques overlying the metacarpal and interphalangeal joints of the hands.
Review Date 4/10/2020
Updated by: Ramin Fathi, MD, FAAD, Director, Phoenix Surgical Dermatology Group, Phoenix, AZ. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.