Bliznowiec (Fig. B-14, B-15, B-16)
Syn .: Keloid, Goeminny’s band.
Def .: Sheer scar that exceeds the boundaries of the primary wound.
Epid .: Changes are more common in children and young people, especially women between 10-30. year They are especially common in black people.
Etiol .: Unknown, multifactorial: keloids especially often appear as a result of the healing of post-burn wounds, secondarily bacterially superinfected, located in the vicinity of high skin tension, e.g. on the sternum. It has been suggested that cellular hypersensitivity, with sebocyte cells or sebaceous secretion being a chronic stimulant, play a role in the formation of keloids.
Dig. B-14. Keloid on the chest of a 4-year-old child.
Dig. B-15. Keloid on the arm after BCG vaccination.
Localization: Most often: sternum, shoulder girdle, elbows, knees, face, earlobes, but it can be located within the skin of the whole body.
Clin: Weeks (months) after injury – hard, thick nodules and streaked fibrosis develop within the wound that exceed the limits of the wound. The lesions are hard, the covering skin is devoid of skin appendages. It is usually accompanied by itching or pain. Color: initially reddish brown, then white with telangiectasias on the surface.
Dig. B-16. Back scar.
Dig. B-17. Ear scar.
Source: A. Kaszuba, Z. Adamski: “Lexicon of dermatology”; XNUMXst edition, Czelej Publishing House