by Dow Stough, MD, Burke Pharmaceutical Research, Hot Springs, Arkansas; Alicia D. Bucko, DO, Academic Dermatology Associates, Albuquerque, New Mexico; George Vamvakias, BS, sanofi-aventis, Malvern, Pennsylvania; Elyse S. Rafal, MD;
by William Philip Werschler, MD, FAAD, FAACS Department of Medicine/Dermatology, University of Washington School of Medicine, Seattle, Washington Abstract Actinic keratosis (AK), the initial lesion in a disease continuum that