Keloids and Hypertrophic scars
Keloids are the result of an overgrowth of dense fibrous tissue that usually develops after healing of a skin injury. The tissue extends beyond the borders of the original wound, does not usually regress spontaneously, and tends to recur after excision.
Keloids and hypertrophic scars do not usually cause symptoms, but they may be tender, painful, pruritic or they may cause a burning sensation. In addition to symptomatic relief, cosmetic concern is the primary reason patients seek medical intervention.
· Keloids manifest as exaggerated growths of scar tissue, usually in areas of previous trauma. Keloids extend past the areas of trauma, projecting above the level of the surrounding skin, but they rarely extend into underlying subcutaneous tissue.
· Hypertrophic scars remain limited to the traumatized area and regress spontaneously within 12-24 months, although regression may not necessarily be complete.