How are keloids characterized?

Updated: May 29, 2020
  • Author: Brian Berman, MD, PhD; Chief Editor: Dirk M Elston, MD  more...
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Keloids on the ears, neck, and abdomen tend to be pedunculated. Keloids on the central chest and extremities are usually raised with a flat surface, and the base is often wider than the top.

Most keloids are round, oval, or oblong with regular margins; however, some have clawlike configurations with irregular borders. Keloids overlying a joint can contract and restrict movement.

Most patients present with 1 or 2 keloids; however, a few patients, especially patients with spontaneous keloids, have multiple lesions, as do patients who develop keloids as a consequence of acne or chickenpox.

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