Keloid »
What is a keloid?
Keloids can be considered to be "scars that don't know when to stop." A
keloid, sometimes referred to as a keloid scar, is a tough heaped-up scar that
rises quite abruptly above the rest of the skin. It usually has a smooth top and a pink
or purple color. Keloids are irregularly shaped and tend to enlarge progressively. Unlike scars, keloids do not subside over time.
What is the difference between a keloid and a
hypertrophic scar?
After the skin is injured, the healing process usually leaves a flat scar.
Sometimes the scar is hypertrophic, or thickened, but confined to the margin of
the wound. Hypertrophic scars tend to be redder and may subside by themselves (a process which can
take one year or more). Treatment such as injections of cortisone (steroids) can
speed this process.
Keloids, by contrast, may start some time after the injury and extend beyond
the wound site. This tendency to...
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