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 5/2/2017
Updated by: David L. Swanson, MD, Vice Chair of Medical Dermatology, Associate Professor of Dermatology, Mayo Medical School, Scottsdale, AZ. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.