1临床资料患者女,61岁。头顶部斑块60年,黄色赘生物1年。患者出生后头顶部出现黄色斑片和丘疹,无疼痛和瘙痒,未予重视,后皮疹逐渐增大,并隆起形成斑块或疣状增生,未予治疗。1年前,皮疹表面出现一黄色较小丘疹,并逐渐增大,形成黄色蒂状赘生物。既往体健,系统检查未见明显异常。皮肤科情况:头顶部见淡黄色疣状斑块,质软,界清,皮损中央可见一蒂状黄色赘生物,直径约1.0cm,无糜烂、溃疡及渗出等 1 Clinical data Female patient, 61 years old. The top of the head plaque for 60 years, yellow vegetation for 1 year. Patient was born after the head of the yellow patches and pimples, no pain and itching, no attention, after the rash gradually increased, and uplift to form plaque or verrucous hyperplasia, untreated. A year ago, the rash appeared on the surface of a small yellow papules, and gradually increased, the formation of yellow pedicle-like vegetation. Past physical health, no obvious abnormalities in the system check. Dermatology: see the head of pale yellow verrucous plaque, soft, clear, the lesion visible in the central a yellow-like vegetation, a diameter of about 1.0cm, no erosion, ulcers and exudation