2. Most of the raised scars are proliferative lesions of fibroblasts in skin and dermis after burns, trauma, surgery or repeated infections. It can be seen that there is a red lump with hard texture, smooth surface, itching and pain, and keloids can also expand outward like crab feet. There are abundant blood supply, oxygen free radicals and active fibroblasts in convex scars, which are twice as high as normal skin.
3. Smooth scar refers to a kind of scar on the surface of skin, which is mostly caused by mild skin abrasion or superficial (dermal superficial) burn. Its surface is rough or has pigment changes (such as skin erythema, white spots or pigmentation), and there is generally no dysfunction, but such scars greatly affect the visual beauty.
4. Spontaneous keloid: No obvious inducement. It occurs on normal skin or is not caused by slight abrasion, which makes the skin grow hard and irregular, spreading around, forming crab feet or centipede-like, butterfly-like, round, hard, reddish or dark red, consciously itching, sometimes accompanied by paroxysmal pain or tingling.
5, secondary keloid: generally occurs in skin burns, infections, trauma, trauma. Such as: freezing, laser, mole removal, eyebrow washing, ear piercing, vaccination, skin grafting, caesarean section and other scar hyperplasia. , red or dark red, itching, tingling higher than the skin, eating spicy food, wine and other irritating foods aggravate the symptoms.
A scar is a mark that represents a wound to the skin. This kind of trauma may be caused by trauma or it may be necessary for surgery. However, due to the different degree of trauma, whether the healing process is smooth or not, the position of the wound on the human body is different, and the size is also obviously different. Especially with the progress of modern society, the love of beauty not only represents a right, but also embodies a kind of self-esteem. Scar is one of the most common problems in cosmetic surgery clinic. In addition to the appearance, in fact, many scars will have unpleasant itching, pain and chapping. If scar contracture happens unfortunately, it will not affect the normal function of limbs or facial features, and these scars must be treated actively.