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.
Update Date 4/14/2015
Updated by: Kevin Berman, MD, PhD, Atlanta Center for Dermatologic Disease, Atlanta, GA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.