患者 ,女 ,44岁。主因发热伴精神症状3月余入院。缘于 3个月前 ,患者无诱因出现发热 ,体温波动在 37.5 0～ 38.5 0℃ ,伴精神症状 ,神志淡漠 ,反应迟钝 ,少言 ,记忆力下降 ,同时伴咳嗽、咯痰、恶心、呕吐、闭经、消瘦 ,无腹痛、黄疸。当地医院查胸部Ｘ片示双侧支气管肺炎 ,予以 Patient, female, 44 years old. Mainly due to fever with mental symptoms more than 3 months admitted to hospital. Because 3 months ago, the patient had no incentive to fever, temperature fluctuations in the 37.5 0 ~ 38.5 0 ℃, with psychiatric symptoms, indifference, unresponsive, few words, memory loss, accompanied by cough, expectoration, nausea, vomiting, Amenorrhea, weight loss, no abdominal pain, jaundice. Local hospital check chest radiograph showed bilateral bronchopneumonia, to be