Keloids are proliferative dermal growths that develop after skin injury.
Unlike hypertrophic scars, the scar tissue extends beyond the borders
of the original wound. The first description of keloids was offered in
the Smyth papyrus on surgical techniques in Egypt 1700 BC . Subsequently,
Alibert in 1806 used the term "cheloide", derived from the Greek "chele"
or crab claw to describe the lateral growth of tissue into normal skin