青春期扁平疣,祖国医学称为疣症,是青年人常发生的疾症之一,好发于颜面、手背、腕及前臂伸侧等处。常呈对称性分布,损害通常呈粟粒大小,园形或多角形扁平之疹,直径约为1—5毫米,边界清楚,表面平滑或略粗糙,数目多少不一,或群集,也可呈斑块状,颜色呈正常皮肤色、浅褐色或深褐色,偶有痒感,病程多为慢性,可自然而愈,不留痕迹。青年扁平疣是由滤过性病毒所引起,此病毒体积非常小,在自然界散布很广,是一 Adolescent flat warts, the motherland medicine known as verrucae, is one of the common diseases in young people, occurs in the face, back of the hand, forearm and extensor side and other places. Often symmetrical distribution, the damage is usually miliary size, round or polygonal flat rash, diameter of about 1-5 mm, the border is clear, the surface is smooth or slightly rough, the number of different, or clustered, but also spotted Lumps, the color is normal skin color, light brown or dark brown, occasional itching, mostly chronic, can be more natural, leaving no trace. Young flat warts are caused by viral filtration, the virus is very small and widely distributed in nature and is one