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What is Keloid scar is and explain in detail?
An atrophic scar is a pale, flat and stretched in appearance, often appearing on the back and in areas of tension. A hyperophic scar is defined as excessive scar tissue that does not extend beyond the boundary of the original incision or wound. A keloid scar is defined as excessive scar tissue that extends beyond the boundaries of the original incision or wound Bailey and Love 27e pg: 30