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Keloids form within scar tissue. Collagen, used in wound repair, tends to overgrow in this area, sometimes producing a lump many times larger than that of the original scar. They can also range in color from pink to red. [6] Although they usually occur at the site of an injury, keloids can also arise spontaneously.
Scar revision is a process of cutting the scar tissue out. After the excision, the new wound is usually closed up to heal by primary intention, instead of secondary intention. Deeper cuts need a multilayered closure to heal optimally, otherwise depressed or dented scars can result. [57]
Tissue expansion is a technique used by plastic, maxillofacial and reconstructive surgeons to cause the body to grow additional skin, bone, or other tissues. Other biological phenomena such as tissue inflammation can also be considered expansion (see tissue inflammation below). [citation needed]
In 1997, it was proven that wounds created with an instrument that are under 2mm can heal scar free, [8] but larger wounds that are larger than 2mm healed with a scar. [ 8 ] In 2013, it was proven in pig tissue that full thickness micro columns of tissue, less than 0.5mm in diameter could be removed and that the replacement tissue, was ...
Peyronie’s disease — a condition characterized by fibrous scar tissue in the privates that can cause painful, curved arousals — can affect your arousals. Similarly, nerve damage from surgery ...
In advanced cases, scar tissue can be found in all layers of the nerve impairing blood flow and essential functions of various tissue types. [5] This is to say that scar tissue is fairly robust in its capability to injure nerves. It can do so through traction (fibrovascular attachments), compression (osteofibrous tunnels), or can be associated ...
Arthrofibrosis can occur after total knee replacement or partial knee replacement, when excessive scar tissue (collagen fibril) deposition occurs in and around the knee. This can be accompanied by shortening of the patellar tendon (patella baja/infera) which can also contribute to limited flexion.
Pressure garments apply mechanical pressure to the surface of the scar, reducing the supply of blood and oxygen to the scar tissue. Formation of excessive scar tissue is thus prevented. The combination of silicone gel sheeting and compression therapy has been proven to be more effective than using the sheet alone. [26]
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