患者男 ,76岁。因出现近期遗忘和虚构表现 2个月于2 0 0 2年 2月 2 2日入院。患病期间患者未给予任何有效治疗 ,记忆力进行性减退 ,捏造与虚构越来越显著。为明确诊断入我科。患者既往身体健康 ,无免疫缺陷疾病或使用免疫抑制剂病史 ,无饮酒史。体格检查 :血压 :1 50 90ｍｍＨ Male patient, 76 years old. Two months after the recent forgetfulness and fictional presentation were admitted on February 22, 2002. Patients during the illness did not give any effective treatment, progressive memory loss, fabricated and fiction more and more significant. To confirm the diagnosis into my department. In the past, the patient was healthy, immune-deficient or had a history of immunosuppressants, and had no drinking history. Physical examination: Blood pressure: 1 50 90mmH