keloid - définition. Qu'est-ce que keloid
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Qu'est-ce (qui) est keloid - définition

ELEVATED MARK ON THE SKIN CAUSED BY DEPOSITS OF COLLAGEN DURING WOUND HEALING
Keloids; Keloid scar; Keloid scars; Acne keloid; Raised scar; Keloidal scar; Keloidal; Radiation-induced keloid; Radiation-induced keloids; Keloid disorder; Keloid Removal; Keloid removal; Keloid Disorder
  • Micrograph of keloid. Thick, hyalinised collagen fibres are characteristic of this aberrant healing process. H&E stain.
  • Hiroshima atomic bombing survivors showing numerous burn scars, including keloids
  • Gordon or “Whipped Peter”, enslaved African-American man displaying severe keloid scars.
  • Japanese sailor with keloid scarring during the [[First Sino-Japanese War]]. People of Asian descent are among the groups more likely to develop keloid scars.

Keloid         
·noun A keloid tumor.
II. Keloid ·add. ·noun A keloid tumor.
III. Keloid ·adj Applied to a variety of tumor forming hard, flat, irregular excrescences upon the skin.
IV. Keloid ·add. ·adj Applied to a variety of tumor forming hard, flat, irregular excrescences upon the skin.
keloid         
['ki:l??d]
¦ noun Medicine an area of irregular fibrous tissue formed at the site of a scar or injury.
Origin
C19: via Fr. from Gk khele 'crab's claw' + -oid.
Acne keloidalis nuchae         
DESTRUCTIVE SCARRING FOLLICULITIS
Acne keloidalis; Dermatitis papillaris capillitii; Folliculitis keloidalis; Folliculitis keloidis nuchae; Nuchal keloid acne
Acne keloidalis nuchae (also known as "acne keloidalis", "dermatitis papillaris capillitii", "folliculitis keloidalis", "folliculitis keloidis nuchae", and "nuchal keloid acne") is a destructive scarring folliculitis that occurs almost exclusively on the occipital scalp of people of African descent, primarily men.Freedberg, et al.

Wikipédia

Keloid

Keloid, also known as keloid disorder and keloidal scar, is the formation of a type of scar which, depending on its maturity, is composed mainly of either type III (early) or type I (late) collagen. It is a result of an overgrowth of granulation tissue (collagen type 3) 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 the color of the person's skin or red to dark brown in color. 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. In the United States keloid scars are seen 15 times more frequently in people of sub-Saharan African descent than in people of European descent. There is a higher tendency to develop a keloid among those with a family history of keloids and people between the ages of 10 and 30 years.

Keloids should not be confused with hypertrophic scars, which are raised scars that do not grow beyond the boundaries of the original wound.

Exemples du corpus de texte pour keloid
1. Following the bombings, many hibakusha – a Japanese term for "bomb affected people" – suffered the effects of radiation exposure, including malignant tumours, leukaemia, and keloid scars.