Keloids are an overgrowth of scar tissue at the site of a healed skin injury. They often create a thick, puckered effect simulating a tumor. Keloids may be reduced in size by freezing (cryotherapy), external pressure, corticosteroid injections, laser treatments, radiation, or surgical removal.
Review Date 4/14/2015
Updated by: Hebe Molmenti, MD, PhD, private practice specializing in plastic and reconstructive surgery, Baltimore, MD. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.