患者，24岁，产妇，产前有先兆子痫。产后10天发烧，头痛、呕吐，伴精神异常5天入院。查体：体温38．2℃，血压19／12KPa．神志清楚，语言缓慢，反应迟钝，计算力、走向力差．双眼底视神经乳头经度水肿，双下肢肌力Ⅳ级，左巴彬斯基氏征阳性，余躯体检查及神经系统检查正常。腰 Patient, 24 years old, maternal, pre-eclampsia. 10 days postpartum fever, headache, vomiting, with mental abnormalities admitted to hospital for 5 days. Physical examination: body temperature 38.2 ℃, blood pressure 19 / 12KPa. Conscious, slow language, unresponsive, computational power, to power difference. Binocular optic nerve longitude and edema, muscle strength of both lower extremities grade, positive Zababinski’s sign, body examination and neurological examination more than normal. waist