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Keloids tend to have a genetic component, which means one is more likely to have keloids if one or both of their parents has them. However, no single gene has yet been identified which is a causing factor in keloid scarring but several susceptibility loci have been discovered, most notably in Chromosome 15.
Dr. Alexiades says that she believes keloids behave like benign tumors of the skin; the fibroblasts—the cells that make collagen—are proliferating and producing collagen out of control in keloids.
Acne keloidalis nuchae (acne keloidalis, dermatitis papillaris capillitii, folliculitis keloidalis, folliculitis keloidis nuchae, nuchal keloid acne) Acne mechanica; Acne medicamentosa; Acne miliaris necrotica (acne varioliformis) Acne vulgaris (acne simplex) Acne with facial edema (solid facial edema) [nb 4] Blepharophyma; Chloracne
A hypertrophic scar is a cutaneous condition characterized by deposits of excessive amounts of collagen which gives rise to a raised scar, but not to the degree observed with keloids. [1] Like keloids, they form most often at the sites of pimples, body piercings, cuts and burns. They often contain nerves and blood vessels.
In medical diagnosis, test sensitivity is the ability of a test to correctly identify those with the disease (true positive rate), whereas test specificity is the ability of the test to correctly identify those without the disease (true negative rate). If 100 patients known to have a disease were tested, and 43 test positive, then the test has ...
Sirolimus is a relatively new medical therapy for the treatment of vascular malformations, [19] in recent years, sirolimus has emerged as a new medical treatment option for both vascular tumors and vascular malformations, as a mammalian target of rapamycin (mTOR), capable of integrating signals from the PI3K/AKT pathway to coordinate proper ...
In immunology, the term sensitization is used for the following concepts: [1] [2] [3] [4] [5]. Immunization by inducing an adaptive response in the immune system. [1 ...
Heinrich Köbner (1838–1904) The Koebner phenomenon or Köbner phenomenon (UK: / ˈ k ɜː b n ər /, US: / ˈ k ɛ b-/), [1] also called the Koebner response or the isomorphic response, attributed to Heinrich Köbner, is the appearance of skin lesions on lines of trauma. [2]