黑痣是皮肤先天性发育异常而引起的一种皮肤色素斑块。一般多生在面部或躯干上,形状和大小不一样,有的表面平滑,不隆起;有的呈丘疹或结节样隆起于皮面。或呈不规则的疣状; 有的还有毛; 也有的含有肥厚的结缔、脂肪组织。黑痣虽是痣细胞的赘生物,但并不是真性瘤肿,一般对健康没有妨碍。 Black mole is a skin pigmented plaque caused by congenital dysplasia of the skin. Generally more than born in the face or trunk, the shape and size are not the same, some smooth surface, not uplift; some were papules or nodules uplifted on the skin. Or irregular scab-like; some have hair; some also contain hypertrophic connective, adipose tissue. Although black lice are neoplasms of cricket cells, they are not true tumors and generally do not interfere with health.