1临床资料患者女,45岁。面颈部发现丘疹6年。6年前患者无明显诱因前额、双颞部及面颊部出现散在的米粒大肤色丘疹,无自觉症状,未予治疗,皮疹随年龄增长逐渐增多、增大,累及颈部,部分丘疹自行挑破后见白色黏稠内容物。患者既往体健,家族中无近亲婚配者。各系统检查未见异常。皮肤科情况:前额、两侧颞部、颧部及面颊部、颈部对称多发密集或散在分布的圆 1 clinical data Female patient, 45 years old. Pimples were found in face and neck for 6 years. 6 years ago, there was no obvious incentive for patients with large forehead, bilateral temporal and cheek Ministry scattered large papules, no symptoms, untreated, rash gradually increased with age, increased, involving the neck, some of the papules self-prick See the white sticky content after. Past physical health of patients, no clan in the family marriage. The system check no abnormalities. Dermatological conditions: the forehead, both sides of the temporal, zygomatic and cheek Ministry, the neck symmetry of multiple dense or scattered round