Which statement is false concerning keloids and hypertrophic scars?

A. hypertrophic scars usually extend beyond the borders of the original wound

B. keloids are the result of an overgrowth of dense fibrous tissue that usually develops after healing of a skin injury

C. hypertrophic scars are characterized by erythematous, pruritic, raised fibrous lesions

D. treatment of either condition includes intralesional injections and/or excision

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