患者吴某,男,56岁,已婚,工程师。因头面、胸、腹、背部出现红斑、瘙痒9个月,全身乏力、消瘦两个月,于1988年9月16日入院住皮肤科病房。入院前9个月始出现头面部瘙痒、红斑,范围逐渐扩大波及颈、胸、腹、背部,曾在外院诊断为“脂溢性皮炎”而予以止痒祛脂治疗无效。入院前两个月除皮损范围 Patient Wu, male, 56 years old, married, engineer. Due to the head, chest, abdomen, back of the erythema, itching 9 months, malaise, weight loss for two months, on September 16, 1988 admitted to the dermatology ward. The first nine months before admission, the first facial itching, erythema, the scope of the spread gradually spread to the neck, chest, abdomen, back, was diagnosed in the outer hospital “seborrheic dermatitis” and itch anti-dyslipidemia treatment. Two months before admission in addition to lesions range