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为探讨空气作为栓塞剂在原发性肝癌介入治疗中的应用并作出评价。选择13例不能切除的原发性肝癌经肝动脉灌注化疗后用空气20～30ml栓塞，2～3周一次，反复治疗2～4次，疗程末用碘油阿霉素乳剂作最后栓塞。治疗中观察血象、肝功能、AFP和肿瘤大小的变化，并作长期随访。结果：治疗后肿瘤缩小50％以上者3例，不足50％者9例，变化不明显者1例。随访结果6例生存不足6月，3例生存10月，2例12月，另2例生存超过3年未见复发。结论：以空气作为栓塞剂的化疗栓塞是一种有效的治疗模式。
To evaluate the application of air as an embolizing agent in the interventional treatment of primary liver cancer. 13 cases of unresectable primary liver cancer were treated with hepatic arterial infusion chemotherapy followed by embolization with 20-30 ml of air, 2 to 3 weeks, and repeated treatment for 2 to 4 times. At the end of treatment, lipiodol doxorubicin emulsion was used as the final embolization. During the treatment, blood, liver function, AFP and tumor size were observed and long-term follow-up was performed. RESULTS: After treatment, tumor shrinked by more than 50% in 3 cases, less than 50% in 9 cases, and no change in 1 case. Follow-up results of 6 cases of survival less than 6 months, 3 cases survived 10 months, 2 cases of 12 months, and the other 2 cases survived more than 3 years without recurrence. CONCLUSION: Chemoembolization using air as embolizing agent is an effective treatment model.