患者,男,82岁。1995年10月初无明显诱因出现双上臂酸痛,乏力,未予注意,至12月10日理发后出现全头皮瘙痒伴点状红色皮疹,皮疹逐渐由点状融合成片。 在南方某医院诊断为“皮肤病”,予以抗过敏治疗,治疗无好转。皮疹逐渐向面、颈、胸、四肢、腹部发展,成广泛淡红色或暗紫色的斑片皮疹,伴瘙痒、局部脱屑及眼睑、面部、双下肢浮肿,同时肌无力也逐渐加重,影响梳头动作。12月初出现梳头困 Patient, male, 82 years old. At the beginning of October 1995, there was no obvious cause of double upper arm pain, fatigue, and lack of attention. On December 10, a full scalp pruritus with spotted red rash appeared after the haircut, and the rash gradually merged into spots. In a hospital in the south, diagnosed as a “dermatological disease” and given anti-allergic treatment, treatment did not improve. The rash developed gradually on the face, neck, chest, limbs, and abdomen and became a widespread pale red or dark purple patch rash with pruritus, local desquamation, and edema of the eyelids, face, and lower extremities. At the same time, muscle weakness gradually increased, affecting the comb movements. . In early December there was a hairy sleepy