患者女,18岁。入院前半年曾两次分别双手臂及双下肢明显无力,均自行好转。10天前面部出现两块红疹,7天前开始发热,约38℃,伴咽痛、双肘及膝、踝关节痛,轻咳,食欲减,乏力。来院时心悸,头晕。查体:体温38℃,血压14/9kPa,体重34kg。鼻鞍及右颧部可见两处约1.5×1.5cm暗红色皮疹,边界清,不凸出皮面,中央稍苍白。 Patient female, 18 years old. In the first half of the hospital admission, both his arms and his lower extremities were obviously weak and both improved on their own. Two days ago, two rashes appeared on the face. The fever started 7 days ago and was about 38 ° C with sore throat, elbows and knees, ankle pain, light cough, loss of appetite, and weakness. Palpitation when coming to hospital, dizziness. Physical examination: body temperature 38 ℃, blood pressure 14 / 9kPa, weight 34kg. The nose saddle and the right zygomatic department can be seen two about 1.5 × 1.5cm dark red rash, the border is clear, does not protrude the leather, the central slightly pale.