What are keloids and hypertrophic scars?
Keloids are the result of an overgrowth of dense fibrous tissue (scar tissue) that usually develops after healing of a skin injury. The scar extends wider than original wound and does not usually go away on its own.
A hypertrophic scar is scar tissue that it red and thick which occurs initially after a wound heals. Unlike keloids, hypertrophic scars turn pale and flat within the next 6 months to 2 years.
What causes Keloids or Hypertrophic Scars?
We are unsure of the cause of keloids; however both of these scars are harmless and there is no risk of turning into cancer.
Who is at risk for a keloid?
Some people will develop keloids after minor injuries such as a bug bite, however some people never develop keloids. Keloids are more common in darker skinned individuals.
What are the signs/symptoms of a keloid or hypertrophic scar?
Keloids and hypertrophic scars do not usually cause symptoms, but they may be tender, painful, pruritic or they may cause a burning sensation.
How is a keloid diagnosed?
A dermatologist and dermatology providers can make the diagnosis clinically.