Extrahepatic blood supply to hepatocellular carcinoma: angiographic demonstration and transcatheter arterial chemoembolization

Cardiovascular and Interventional Radiology
Shiro MiyayamaTakeshi Mitsui

Abstract

To evaluate the incidence of each extrahepatic collateral pathway to hepatocellular carcinoma (HCC) and to assess technical success rates and complications of transcatheter arterial chemoembolization (TACE) through each collateral. We retrospective evaluated extrahepatic collateral pathways to HCC on angiography in 386 procedures on 181 consecutive patients. One hundred and seventy patients had previously undergone TACE. TACE through extrahepatic collaterals using iodized oil and gelatin sponge particles was performed when a catheter was advanced into the tumor-feeding branch to avoid nontarget embolization. A single collateral was revealed in 275 TACE procedures, two were revealed in 74, and three or more were revealed in 34. Incidences of collateral source to HCC were 83% from the right inferior phrenic artery (IPA), 24% from the cystic artery, 13% from the omental artery, 12% from the right renal capsular artery (RCA) and left IPA, 8% from the right internal mammary artery (IMA) and right intercostal artery (ICA), and 7% from the right inferior adrenal artery (IAA). Technical success rates of TACE were 53% in the right ICA, 70% in the cystic artery, 74% in the omental artery, 93% in the left IPA, 96% in the right IPA, and 10...Continue Reading

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Citations

Jan 30, 2013·Chinese Journal of Cancer Research = Chung-kuo Yen Cheng Yen Chiu·Song GaoJia-Hong Dong
Sep 23, 2009·AJR. American Journal of Roentgenology·Hyo-Cheol KimJae Hyung Park
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Jun 2, 2009·Cardiovascular and Interventional Radiology·Shiro MiyayamaOsamu Matsui
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