1临床资料患者男,59岁。面颈部、头皮、上胸部水疱伴痒痛5d。5d前颈部出现米粒大小丘疱疹、水疱,自觉瘙痒、灼痛,未予治疗。皮损逐渐增多,累及头皮、面颈部、前胸。发病以来,患者精神,食欲,睡眠、大小便无异常,体重无明显变化。既往有多形日光疹病史2+年。一般情况可,生命体征平稳,系统查体无异常。皮损科情况:头皮、面颈部、上胸部见米粒大丘疱疹、水疱,疱顶 1 Clinical data Patient male, 59 years old. Face and neck, scalp, upper chest blisters with itch pain 5d. 5d before the emergence of the size of the miliary moult herpes, blisters, conscious itching, burning, no treatment. Lesions gradually increased, involving the scalp, face and neck, chest. Since the onset, the patient’s spirit, appetite, sleep, urine and no abnormalities, no significant weight changes. Past history of polymorphic solar eruption history 2+ years. In general, vital signs are stable, the system examination was normal. Skin lesions department: scalp, face and neck, the upper chest see rice Hercules, blisters, blisters top