晚期肺癌常出现脑转移,占颅内转移瘤的第一位,尤其是小细胞肺癌更易出现脑转移。脑转移发生率在20%～60%,经放化疗后生存3年的患者脑转移率高达60%～70%,是造成患者死亡的主要原因。出现脑转移时,患者多伴有全身功能衰竭或其他组织器官的转移,而且适合手术 Brain metastases often occur in advanced lung cancer, accounting for the first in intracranial metastases, especially small cell lung cancer is more likely to brain metastases. The incidence of brain metastases in 20% to 60%, 3 years after radiotherapy and chemotherapy in patients with brain metastasis rate as high as 60% to 70%, is the main cause of death in patients. When brain metastases occur, the patient is often accompanied by systemic failure or other tissue and organ metastases, and is suitable for surgery