Keloid (KD) is a dermal fibroproliferative tumor of unknown aetiology, also unique to humans frequently met in plastic surgery.

• 瘢痕疙瘩(Keloid，KD)是病因不明的皮肤纤维增生瘤，是仅与人类相关的整形外科常见病症。 既可由微小的损伤如蚊虫叮咬、痤疮、穿耳孔引起，也可因烧伤、创伤、手术所致；