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Anastomotic loop between common hepatic artery and gastroduodenal artery in coexistence with an aberrant right hepatic artery
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Abstract
Anatomical variations of the hepatic arteries are not uncommon. The anomalous hepatic arterial supply is of paramount importance in hepatobiliary, pancreatic or liver transplantation and in laparoscopic surgery. We describe an unusual case of a 66-year-old Greek male cadaver, where a rare anastomosis (in the form of an enlarged arterial loop, 4.84 mm in diameter) between the common hepatic artery (6.42 mm) and the gastroduodenal artery (GDA) (4.82 mm) coexisted with an aberrant right hepatic artery (ARHA) (6.38 mm) originating from the superior mesenteric artery. The proper hepatic artery was absent. The ARHA followed a route posterior to the portal vein and the common hepatic duct, entering the liver and supplying the right hepatic segment. A hypoplastic right gastric artery emanated from the GDA. Our case report highlights the combined variations of hepatic arteries and possible anastomoses emphasizing that a thorough knowledge of the classic and variable hepatic arterial anatomy are mandatory for surgeons and radiologists performing hepatic surgery and arteriography to avoid potential iatrogenic injuries in hepatobiliary and pancreas area and further medico-legal implications.
Abstract
Anatomical variations of the hepatic arteries are not uncommon. The anomalous hepatic arterial supply is of paramount importance in hepatobiliary, pancreatic or liver transplantation and in laparoscopic surgery. We describe an unusual case of a 66-year-old Greek male cadaver, where a rare anastomosis (in the form of an enlarged arterial loop, 4.84 mm in diameter) between the common hepatic artery (6.42 mm) and the gastroduodenal artery (GDA) (4.82 mm) coexisted with an aberrant right hepatic artery (ARHA) (6.38 mm) originating from the superior mesenteric artery. The proper hepatic artery was absent. The ARHA followed a route posterior to the portal vein and the common hepatic duct, entering the liver and supplying the right hepatic segment. A hypoplastic right gastric artery emanated from the GDA. Our case report highlights the combined variations of hepatic arteries and possible anastomoses emphasizing that a thorough knowledge of the classic and variable hepatic arterial anatomy are mandatory for surgeons and radiologists performing hepatic surgery and arteriography to avoid potential iatrogenic injuries in hepatobiliary and pancreas area and further medico-legal implications.
Keywords
coeliac trunk, hepatic artery, common hepatic artery, right hepatic artery, left hepatic artery, gastroduodenal artery, right gastric artery, variation, anastomosis
About this articleTitle
Anastomotic loop between common hepatic artery and gastroduodenal artery in coexistence with an aberrant right hepatic artery
Journal
Issue
Article type
Case report
Pages
752-756
Published online
2017-03-08
Page views
1350
Article views/downloads
1693
DOI
Pubmed
Bibliographic record
Folia Morphol 2017;76(4):752-756.
Keywords
coeliac trunk
hepatic artery
common hepatic artery
right hepatic artery
left hepatic artery
gastroduodenal artery
right gastric artery
variation
anastomosis
Authors
K. Natsis
M. Piagkou
T. Stamatopoulos
I. Spyridakis
S. Apostolidis
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