A lentigo, sometimes called an age spot or freckle, is the result of cumulative damage to the skin by sunlight. It consists of flat spots with increased pigmentation. Some spots may be fairly light, while others are darker. The edges are seldom uniform.
Review Date 10/12/2018
Updated by: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.