Anatomical variation of arterial blood supply of liver segment IV

被引:0
|
作者
Abdulrasool, Haider [1 ]
Briggs, Christopher [2 ]
机构
[1] Lyell McEwin Hosp, Haydown Rd, Elizabeth Vale, SA 5112, Australia
[2] Univ Melbourne, Dept Anat & Neurosci, Melbourne, Vic, Australia
关键词
Segment IV blood supply; Segment IV ischaemia; Proper hepatic artery; Middle hepatic artery; Right branch of proper hepatic artery; Left branch of proper hepatic artery;
D O I
暂无
中图分类号
R602 [外科病理学、解剖学]; R32 [人体形态学];
学科分类号
100101 ;
摘要
There has been a dilemma about the arterial supply of segment IV of the liver, and the subsequent risk of ischaemia, necrosis, hepatic artery thrombosis of segment IV after split-liver transplantation or the associating liver partition and portal vein ligation for staged hepatectomy procedure. We report a rare case of anatomical variation of the arterial blood supply of segment IV of the liver. In this case the proper hepatic artery trifurcated into left, middle and right branches that supplied the liver. Moreover, Segment IV received dual blood supply from both, the middle hepatic artery and the right branch of the proper hepatic artery. Identifying such anatomical variation prior to any liver surgery is essential. It is of particular significance in defining the resection line in liver surgeries. In order to avoid ischaemia, necrosis or cholangiopathy in segment IV, the division of liver parenchyma needs to be based on the anatomy of the arterial blood supply and the intrahepatic blood distribution to segment IV.
引用
收藏
页码:375 / 377
页数:3
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