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目的 探讨肝癌肝外动脉供血规律、插管技术及介入治疗。方法 总结７６ 例肝癌肝外动脉供血特征。７６ 例肝癌动脉栓塞术前常规腹腔动脉、肝总动脉、肠系膜上动脉造影，对位于膈顶部肿瘤还作膈动脉造影，发现肝外供血支进一步超选插管，并同时进行肝动脉、肝外动脉双动脉内化疗栓塞术。结果 ７６ 例肝外供血支，由肝动脉闭塞引起侧支动脉供血达２１ 例，其余５５ 例为肝脏本身固有的寄生性供血。肝外供血与肿块部位、大小密切相关。Ｃｏｂｒａ、Ｙａｓｈｉｒｏ 导管配合ＳＰ 导管肝外动脉插管成功率为７２ ．４％ ，随访３６ 例，１、２ 年生存率分别为５２ ％ 和２１％ 。结论 １ ． 依据肿块部位积极寻找肝外供血支；２． 在介入治疗中，预防肝动脉闭塞，减少侧支供血形成至关重要；３． 对具有肝外动脉供血的肝癌采取双动脉内化疗栓塞是必要的、有效的
Objective To investigate the rule of hepatic artery extrahepatic artery blood supply, intubation and interventional therapy. Methods 76 cases of extrahepatic hepatic artery blood supply characteristics. 76 cases of conventional hepatic artery embolization preoperative routine celiac artery, common hepatic artery, superior mesenteric artery angiography, also located in the top of the diaphragm phrenic angiography and found extrahepatic blood supply for further superselective intubation, and at the same time the hepatic artery, extrahepatic Arterial double-artery chemoembolization. Results 76 cases of extrahepatic blood supply, hepatic artery occlusion caused by collateral artery blood supply up to 21 cases, the remaining 55 cases of the liver itself, the inherent parasitic blood supply. Extrahepatic blood supply and mass sites, the size is closely related. Cobra, Yashiro catheterization with SP catheterization of extrahepatic arterial catheterization success rate of 72. 4%, follow-up of 36 cases, 1,2-year survival rates were 52% and 21%. Conclusion 1. According to the mass site actively looking for extrahepatic blood supply; 2. In interventional therapy, prevention of hepatic artery occlusion and reduce the formation of collateral blood supply is essential; 3. It is necessary and effective to adopt double-artery chemoembolization for liver cancer with extrahepatic artery blood supply