J.Jpn. Surg. Soc.. 83(4): 384-395, 1982

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Original article

HEPATIC RESECTION BASED ON THE SURGICAL ANATOMY OF THE HEPATIC VEINS AND INFERIOR VENA CAVA

The accurate knowledge of the surgical anatomy of the hepatic veins and inferior vena cava is indispensable for hepatic resection. The anatomical study was done on 83 autopsy materials in which there were no liver diseases. The pattern of ramifications of three major hepatic veins, the number and distribution of the dorsal hepatic veins and right suprarenal veins and length and width of the various segments of the inferior vena cava were observed. In 78 of 83 cases, the right hepatic vein was single, while in the remaining five cases two right hepatic veins were observed. The middle hepatic vein formed common trunk with the left hepatic vein in 70 of 83 cases and in the remaining 13 cases it was independent. The length from the inferior vena cava to the bifurcation of the common trunk was 1.0±0.5cm. The left hepatic vein presented complex types of ramifications. The number of dorsal hepatic veins was 16±9. The caudate lobe was drained by one to three dorsal hepatic veins. The right suprarenal vein flowed directly into the inferior vena cava in 62 of 83 cases, into the dorsal hepatic vein in 18, into the right renal vein in one, into the dorsal hepatic vein and inferior vena cava in two, respectively. Based on this study, the author has performed 25 hepatic resection of the various extent. Complications relevant to the anatomical study were presented and discussed.

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