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. 2006 Mar;17(3):461-9.
doi: 10.1097/01.rvi.0000202718.16416.18.

Nonhepatic arteries originating from the hepatic arteries: angiographic analysis in 250 patients

Soon-Young Song  1 , Jin Wook Chung, Hyung Guhn Lim, Jae Hyung Park
Affiliations

Nonhepatic arteries originating from the hepatic arteries: angiographic analysis in 250 patients

Soon-Young Song et al. J Vasc Interv Radiol. 2006 Mar.

Abstract

Purpose: To investigate the prevalence and patterns of origin of nonhepatic arteries originating from the proper hepatic artery (PHA) or its distal branches and to assess their relation to anatomic variations.

Materials and methods: Digital subtraction celiac arteriography and selective left hepatic arteriography was performed in 250 patients with hepatocellular carcinoma. Three interventional radiologists interpreted the angiograms on the monitor by consensus. If necessary, further superselective arteriography was performed. The prevalence of nonhepatic arteries, their sites of origin, and the influence of underlying anatomic variants were analyzed.

Results: Nonhepatic arteries were found in 205 patients. The most common nonhepatic artery was the right gastric artery (RGA; n = 196), followed by the hepatic falciform artery (HFA; n = 129), accessory left gastric artery (LGA; n = 43), posterior superior pancreaticoduodenal artery (PSPDA; n = 18), and left inferior phrenic artery (LIPA; n = 5). The left hepatic artery (LHA) was the most frequent origin of nonhepatic arteries (170 of 250). Regardless of anatomic variation, the most common origins of the RGA and HFA were the PHA and the segment IV hepatic artery, respectively. In patients with an aberrant LHA from the LGA, no accessory LGAs or LIPAs were found. PSPDAs preferentially arose from variant hepatic arteries arising from the gastroduodenal artery.

Conclusions: Nonhepatic arteries commonly arise from the hepatic arteries, especially the LHA and PHA. Moreover, variants of the celiac and hepatic arteries influence the prevalence and sites of origin of nonhepatic arteries.

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