Overview
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 10/13/2024
Updated by: Ramin Fathi, MD, FAAD, Director, Phoenix Surgical Dermatology Group, Phoenix, AZ. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.