Anastomosis between the hepatic artery and the extrahepatic collateral or between extrahepatic collaterals: Observation on angiography

Summary Transcatheter arterial chemoembolisation for hepatocellular carcinoma is widely carried out not only through the hepatic artery but also through the extrahepatic collateral pathways. Anatomically, there are many anastomoses between the hepatic artery and the extrahepatic collateral as well a...

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Bibliographic Details
Published in:Journal of medical imaging and radiation oncology 2009-06, Vol.53 (3), p.271-282
Main Authors: Miyayama, S, Yamashiro, M, Okuda, M, Aburano, H, Shigenari, N, Morinaga, K, Matsui, O
Format: Article
Language:English
Subjects:
anastomosis
Angiography - methods
Arterio-Arterial Fistula - diagnostic imaging
Bile Ducts, Extrahepatic - abnormalities
Bile Ducts, Extrahepatic - blood supply
Collateral Circulation
extrahepatic collateral pathway
Hepatic Artery - abnormalities
Hepatic Artery - diagnostic imaging
hepatocellular carcinoma
Humans
transcatheter arterial chemoembolisation
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Summary:Summary Transcatheter arterial chemoembolisation for hepatocellular carcinoma is widely carried out not only through the hepatic artery but also through the extrahepatic collateral pathways. Anatomically, there are many anastomoses between the hepatic artery and the extrahepatic collateral as well as among the extrahepatic collaterals. However, these anastomoses may not be shown on angiography because the anastomosing braches are too small. These anastomoses may not only interfere with effective control of hepatocellular carcinoma by transcatheter arterial chemoembolisation but also cause unexpected procedure‐related complications. Therefore, radiologists should have sufficient knowledge of these underlying anastomoses. In this report, we present our angiographic images.
ISSN:1754-9477
1754-9485
DOI:10.1111/j.1754-9485.2009.02073.x