Capgras综合征又名易人错觉症、错认综合征或相似人物错觉,其特征是患者将身边某熟人(多为自己熟人)认为是他人化身,而将原有的人予以妄想性否定。本文报道1例CT诊断为皮层下动脉硬化性脑病,脑梗塞(右基底节区)的患者并发Capgras综合征。患者谢某某,男,72岁,初中文化,退休工人。1985年因脑出血(右额颞顶)行手术治疗后痊愈,7年来能独立行走,无明显精神异常。1992年9月15日发现患者行走不稳,向右侧跌倒多次,自言自语不认识自己的儿子和女儿,大小便失禁而住院治疗。既往高血压病史16年。神经系统检查:痴呆、注意力涣散,表情淡漠,左中枢性面舌瘫,四肢肌张力增高,左肢体肌力Ⅲ—Ⅳ°,左偏身痛觉迟钝,四肢腱反射亢进(以左肢体明显),双下肢病理征(+)。精神检查:情绪不稳定、焦虑、烦躁。不认识在身边照顾自己的儿子和女儿。并拒绝他们的帮助和照顾。当其儿子说:“我姓谢是您的 Capgras syndrome, also known as easy-delusion, wrong syndrome or similar delusion, characterized by the patient will be acquaintance of an acquaintance (mostly acquaintances) as other incarnation, while the original person to be delusional negative. This article reports a case of CT diagnosis of subcortical arteriosclerotic encephalopathy, cerebral infarction (right basal ganglia) patients with Capgras syndrome. Xiemou patients, male, 72 years old, junior high school culture, retired workers. In 1985 due to cerebral hemorrhage (right frontotemporal) surgery cured, 7 years to walk independently, no obvious mental abnormalities. On September 15, 1992, the patient found walking unsteadily and fell to the right several times. He said he did not know his son or daughter and was admitted to hospital for incontinence. 16 years history of previous hypertension. Nervous system examination: dementia, distracted attention, apathy, left lingual facial paralysis, limb muscle tension increased, left limb muscle strength Ⅲ-Ⅳ °, left partial body pain and dullness, limb tendon hyperreflexia (left limb obvious) , Lower extremity pathological sign (+). Mental examination: emotional instability, anxiety, irritability. Do not know around to take care of their own sons and daughters. And rejected their help and care. When his son said: "My name is Xie Xie