Hypertrophic scar

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A hypertrophic scar is a cutaneous condition characterized by deposits of excessive amounts of collagen that create a raised scar, but not to the degree observed with keloids. Like keloids, they form most often at the sites of pimples, body piercings, cuts and burns. They often contain nerves and blood vessels. Hypertrophic scars generally develop after thermal or traumatic injury that involves the deep layers of the dermis and express high levels of TGF-β.

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