肺癌脑转移是肺癌的晚期表现，病情变化急剧，预后多不良。有报道不经治疗，多在１～３个月内死亡［１］，脑转移可发生在肺癌被发现之前、后，也可以同时出现，由于发病形式多样，尤其是高龄肺癌患者既往有高血压、动脉粥样硬化病史，更易误诊或漏诊。现将我院１９８９年... Brain metastases from lung cancer are the late manifestations of lung cancer, with rapid changes in conditions and poor prognosis. It is reported that without treatment, more than 1 to 3 months of death [1], brain metastasis can occur before and after lung cancer was found, can also occur at the same time, due to a variety of forms of the disease, especially in elderly patients with lung cancer in the past have high blood pressure History of atherosclerosis is more likely to be misdiagnosed or missed. Now my hospital in 1989...