临床资料患者,女,22岁。因全身红斑、丘疹伴瘙痒1周,于2016年4月8日入院。1周前,无任何诱因患者双手出现散在黄豆大红斑、丘疹,伴轻微瘙痒,未治疗。皮损迅速增多,延及全身,以面部为著,日晒后皮损加重。1 d前出现低热,未治疗。患者自起病以来,同时出现口腔溃疡,无脱发、关节疼痛等表现。既往史:1个月前,全身曾出现类似皮损,至当地医院治疗 Clinical data, female, 22 years old. Due to systemic erythema, papules with itching 1 week, on April 8, 2016 admission. 1 week ago, no incentive for patients with scattered hands in the big red spot of erythema, papules, with mild itching, untreated. Skin lesions rapidly increased, extending to the whole body to the face as the sun damage after the skin lesions. Low fever 1 d before, untreated. Since the onset of patients, both oral ulcers, no hair loss, joint pain and other performance. Past history: A month ago, the body had similar lesions, to the local hospital for treatment