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P27: Replaced Right Hepatic Artery and Interlobar Bridge of Liver with Unusual Arterial Supply of Ivth Segment
Artery Research volume 20, page 101 (2017)
Abstract
A replaced right hepatic artery (rRHA) arising from the superior mesenteric artery and an interlobar parenchymal bridge over the sagittal fissure of liver have been observed on a 64 year old formalin-fixed male cadaver in the anatomy laboratory.
As we followed a detailed segmental anatomy, encountered an arterial distribution on the segment IV featuring a different pattern from the literature so far. According to our observations, the segment I is supplied by both left (LHA) and middle (MHA) hepatic arteries; the segments II and III are supplied by the LHA while the segment IV is supplied by both the MHA and rRHA.
The segments V-VIII are supplied only by the rRHA. Our case emphasizes the importance of arterial variations of liver once again in terms of the surgical procedures during the liver transplantation, hepatic tumors, and etc.
Our discussion particularly focuses to the arterial supply of the segment IV and possible complications it may cause during/after the liver operations.
References
1-Ghosh SK. Variations in the origin of middle hepatic artery: a cadaveric study and implications for living donor liver transplantation. Anat Cell Biol 2014;47:188–95 2- Bismuth H. Surgical anatomy and anatomical surgery of the liver. World J Surg 1982;6:3–9 3-Jin GY, Yu HC, Lim HS, Moon JI, Lee JH, Chung JW, Cho BH.
Anatomical variations of the origin of the segment 4 hepatic artery and their clinical implications. Liver Transpl 2008;14:1180–4
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Yuksel, M., Koc, T. & Ilgi, S. P27: Replaced Right Hepatic Artery and Interlobar Bridge of Liver with Unusual Arterial Supply of Ivth Segment. Artery Res 20, 101 (2017). https://doi.org/10.1016/j.artres.2017.10.167
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DOI: https://doi.org/10.1016/j.artres.2017.10.167