This is a picture of ringworm (tinea) on the hand and leg. Tinea is a fungal infection of the skin. Ringworm is not seen as frequently in adults as in children, but when conditions are conducive to growth, the fungus can flourish.
Review Date 10/8/2018
Updated by: Linda J. Vorvick, MD, Clinical Associate Professor, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.