What are hypertrophic/keloid scars?

Also known as: hypertrophic scarring, keloids

A hypertrophic scar may develop as part of the skin's response to injury and is a reddish, itchy, firm, normally raised, thicker-than-usual form of scar that’s similar in color and texture to normal skin. They do not get bigger over time and may get better in 12-24 months without treatment. A keloid scar is also the skin's response to injury (or the presence of foreign material), but the keloid scar is a firmer flat or stalked exaggerated overgrowth of dense scar tissue, that develops after the skin heals and is larger than the injured area. It tends to get bigger over time.


Reviewed by: Jack Wolfsdorf, MD, FAAP

This page was last updated on: 1/29/2019 3:21:13 PM

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