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<p><b>New page</b></p><div>'''Scar tissue''' refers to the fibrous tissue that replaces normal skin after an injury. This process, known as [[scarification]] or [[wound healing]], involves the laying down of [[collagen]] fibers in response to injury, which helps to repair the damaged skin. However, the resulting tissue often has a different texture and quality compared to the surrounding skin, leading to what is commonly referred to as a scar.<br />
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==Formation==<br />
The formation of scar tissue is a complex process that occurs in three main stages: the inflammatory phase, the proliferative phase, and the maturation or remodeling phase. During the [[inflammatory phase]], the body works to remove debris and bacteria from the injury site, which is followed by the [[proliferative phase]], where new tissue and a temporary [[extracellular matrix]] are formed. Finally, in the maturation phase, the scar tissue is remodeled, and the collagen fibers are realigned along lines of tension.<br />
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==Types of Scars==<br />
There are several types of scars, including:<br />
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* '''[[Keloid scars]]''': Thick, puckered, itchy clusters of scar tissue that grow beyond the edges of the wound or incision. They are often red or darker in color than the surrounding skin.<br />
* '''[[Hypertrophic scars]]''': Raised red scars that are similar to keloids but do not breach the boundaries of the injury site.<br />
* '''[[Atrophic scars]]''': Depressed pin-like pockets in the skin that can result from skin conditions or diseases such as [[acne]].<br />
* '''[[Stretch marks]]''' (striae): Occur when the skin is stretched rapidly (for example, during pregnancy), and are a form of scarring.<br />
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==Treatment and Management==<br />
Treatment of scar tissue varies depending on the type and severity of the scar. Options include:<br />
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* [[Surgical removal]] or treatment<br />
* [[Laser therapy]] for scars<br />
* [[Steroid injections]]<br />
* [[Dermabrasion]]<br />
* [[Micro-needling]]<br />
* Application of [[silicone gel sheets]] to flatten the scar<br />
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Preventative measures can also be taken to minimize scarring, such as proper wound care and avoiding excessive sun exposure to the healing scar.<br />
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==Psychological Impact==<br />
Scars can also have a significant psychological impact, affecting an individual's self-esteem and body image. Support and counseling may be beneficial for those struggling to cope with visible scars.<br />
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==See Also==<br />
* [[Wound healing]]<br />
* [[Dermatology]]<br />
* [[Plastic surgery]]<br />
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[[Category:Dermatology]]<br />
[[Category:Pathology]]<br />
[[Category:Plastic surgery]]<br />
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