Hypertrophic scars develop in an area of injury or laceration. The healing wound forms a thickened, somewhat heaped up scar. This thickening, however, tends to stabilize and not progress, as might occur with the development of keloids.
Causes of Hypertrophic Scar
Over-reaction of the fibrous tissues to the healing process is the cause of hypertrophic scars. They may be influenced by factors such as infection, ultraviolet radiation and stress on the incision.
Signs and Symptoms of Hypertrophic Scar
The scars appear raised, thickened and red. Over the period of 1-3 years, the scar usually flattens out and is less noticeable.
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Medical Content Last Updated on 07/12/2008
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