Ear Nose Throat J. 2004 Aug;83(8):519.
FIRST PARAGRAPH: A keloid is a form of excessive scar formation that occurs in response to tissue injury. Keloids arise as a result of abnormal wound healing where there is a disruption of the balance between collagen formation and degradation with a shift toward excess synthesis. Even with injuries that are seemingly minor, the resultant scar formation is disproportionately excessive. The etiology is unknown.
PubMed ID: 15487627
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