例1,男,59岁。诊断肺癌(燕麦细胞癌)已三年。入院前曾进行过7次全身化疗,胸片示肺部肿块已基本消退,本次以剧烈头痛,突然神志障碍20分钟入院。查体:平温平脉,神志清楚,双侧瞳孔等大同圆,颈软,双肺无罗音,心律整齐,四肢无活动障碍。头部CT扫描:颅内多发性转移瘤,确诊肺癌脑转移。给予甘露醇及地塞米松对症治疗,头痛略有减 Example 1, male, 59 years old. It has been three years to diagnose lung cancer (oat cell carcinoma). Before the hospital admission, 7 times of systemic chemotherapy was performed. The chest radiograph showed that the lung mass had basically subsided. This time with severe headache, sudden consciousness disorder was admitted to the hospital for 20 minutes. Physical examination: Ping Wen Ping Ping, conscious, bilateral pupils and other big circle, soft neck, no lungs, no rhythm, heart rhythm, no limb movement disorder. Head CT scan: Multiple intracranial metastases, diagnosed with brain metastases from lung cancer. Give symptomatic treatment with mannitol and dexamethasone with slightly reduced headache