临床资料患者,女,20岁。主因面颈部、躯干、四肢丘疹6年余,于2013年5月就诊。患者6年前无明显诱因前胸部出现粟米大淡红色丘疹,无自觉症状。后皮损逐渐增多,累及颜面部、颈项部、双侧腋窝、腹部、背部及四肢。皮损夏季明显发红,冬季色泽变淡。颈部皮损曾在外院行CO2激光治疗,效果不佳,遗留点状增生性瘢痕。患者既往体健;无食物、药物过敏史,无外伤史;家族中无类似疾病史。系统检查未 Clinical data Patient, female, 20 years old. Main face due to neck, torso, limbs and papules more than 6 years, in May 2013 treatment. 6 years ago, there was no obvious incentive in patients with chest large chestnut pale red papules, no symptoms. After the gradual increase in skin lesions, involving facial, neck, bilateral armpits, abdomen, back and limbs. Skin lesions significantly red summer, winter fades. Cervical skin lesions in the outer hospital CO2 laser treatment, the effect is poor, leaving dot-like hypertrophic scars. Past physical health of patients; no food, drug allergy history, no history of trauma; no history of similar diseases in the family. System check not