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目的：探讨肝癌肝脏内、外侧支供血的产生机理。方法：收集TAE治疗资料完整的中晚期肝癌340例，对其血管造影表现进行分析。结果：肝内侧支供血227例：叶间侧支207例，叶内侧支20例；肝外侧支供血78例：胃左肝在动脉共干21例、网膜动脉29例、右IPA13例、左IPA5例、结肠中动脉9例、右肾动脉1例；肝内合并肝外侧支同时供血35例。结论：侧支供血形成的机制与肝脏的解剖及肿瘤生长部位有关。认为了解肿瘤侧支供血的造影表现，对肝癌TAE及手术治疗有重要的临床意义。
Objective: To investigate the mechanism of hepatic and lateral branch hepatic blood supply. Methods: A total of 340 patients with advanced hepatocellular carcinoma who had complete TAE data were collected and their angiographic findings were analyzed. RESULTS: In 227 cases with medial hepatic branch supply: 207 cases of interlobular branches and 20 cases of medial branches; 78 cases of hepatic lateral branches: 21 cases of dry left hepatic artery, 29 cases of omental artery, 13 cases of right IPA, left There were 5 cases of IPA, 9 cases of middle colonic artery, 1 case of right renal artery, and 35 cases of intrahepatic combined with lateral branch of hepatic artery. Conclusion: The mechanism of collateral blood supply is related to the anatomy of the liver and the site of tumor growth. It is believed that the understanding of the angiographic performance of collateral blood supply to tumors is of important clinical significance for TAE and surgical treatment of liver cancer.