A keloid is a type of exaggerated (hypertrophic) scar that usually appears following an injury or surgery. Keloids may expand beyond the margin of the scar to include normal skin.
Reviewed last on: 5/12/2009
James Lee, MD, Department of Surgery, Columbia Presbyterian Medical Center, New York, NY. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.