患者男性,57岁。退休干部。于85年患左肺中心型肺癌,86年行左上肺叶切除术。术后一般情况好。病理为未分化小细胞型肺癌。曾行4次化疗,于87年4月10日入我科准备行第5次化疗。既往无高血压病史。入院查血压19/11KP_(?),神经系统无阳性体征。5月3日,化疗期间,下午二点突然出现左侧肢体无力,10分钟后症状消失。7天后下楼时左侧肢体又突然无力,查左上、下肢肌力Ⅲ级,左侧浅感觉减退;双侧 Babinski(?)s 征阴性,给予维脑路通及能量合剂治疗10天后,左侧偏瘫症状恢复正常。6月10日下午第三次出现左侧上、下肢肌力减弱,但30分钟后自行缓解。次日此症状又再次出现,2 Male patient, 57 years old. Retired cadres. In 85 years suffering from left lung center-type lung cancer, 86-year-left lobectomy. Generally good after surgery. Pathology of undifferentiated small cell lung cancer. Had 4 times chemotherapy, on April 10, 87 into my department ready for the first 5 chemotherapy. No previous history of hypertension. Admission check blood pressure 19 / 11KP_ (?), The nervous system no positive signs. May 3, during chemotherapy, suddenly appeared at 2 pm weakness of the left limb, 10 minutes after the symptoms disappear. 7 days later when the left limb and abruptly weakness, check the left upper and lower extremity muscular strength grade Ⅲ, pale left sensory loss; bilateral Babinski (?) S sign negative, given Venoruton and energy mixture after 10 days of treatment, left Lateral hemiplegia symptoms returned to normal. The third time on the afternoon of June 10 appeared on the left, lower limb muscle weakness, but 30 minutes after the self-remission. The next day the symptoms appear again, 2