A keloid is a type of exaggerated (hypertrophic) scar that usually appears following an obvious injury. Keloids may expand beyond the margin of the scar to include normal skin.
Review Date 4/12/2017
Updated by: David A. Lickstein, MD, FACS, specializing in cosmetic and reconstructive plastic surgery, Palm Beach Gardens, FL. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.