OverviewKeloids are overgrowths of scar tissue that follow skin injuries. Keloids may appear after such minor trauma as ear piercing. Dark skinned individuals tend to form keloids more readily than lighter skinned individuals.
Review Date 10/14/2018
Updated by: Michael Lehrer, MD, Clinical Associate Professor, Department of Dermatology, University of Pennsylvania Medical Center, Philadelphia, PA. 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.