Definitions for keloidˈki lɔɪd
This page provides all possible meanings and translations of the word keloid
raised pinkish scar tissue at the site of an injury; results from excessive tissue repair
An abnormally large scar tissue growing at the site of a cut or surgical incision.
A hard raised growth of scar tissue at the site of an injury.
Origin: 19th century, from χηλή and -oid.
applied to a variety of tumor forming hard, flat, irregular excrescences upon the skin
a keloid tumor
Origin: [F. klode, from Gr. chhlh` crab's claw + -oid: cf. F. klode, chlode.]
A keloid is the formation that a type of scar which, depending on its maturity, is composed mainly of either type III or type I collagen. It is a result of an overgrowth of granulation tissue at the site of a healed skin injury which is then slowly replaced by collagen type 1. Keloids are firm, rubbery lesions or shiny, fibrous nodules, and can vary from pink to flesh-coloured or red to dark brown in colour. A keloid scar is benign and not contagious, but sometimes accompanied by severe itchiness, pain, and changes in texture. In severe cases, it can affect movement of skin. Keloids should not be confused with hypertrophic scars, which are raised scars that do not grow beyond the boundaries of the original wound.
U.S. National Library of Medicine
A sharply elevated, irregularly shaped, progressively enlarging scar resulting from formation of excessive amounts of collagen in the dermis during connective tissue repair. It is differentiated from a hypertrophic scar (CICATRIX, HYPERTROPHIC) in that the former does not spread to surrounding tissues.
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