Sonographic differentiation between the umbilical portion of the left portal vein and intrahepatic bile ducts.


The method of differentiating between the portal vein and the bile ducts by means of their intrahepatic portions was studied. The left branch of the portal vein courses horizontally as the transverse portion, then veers anteriorly at an acute angle to make the umbilical portion. This characteristic form was demonstrated in all normal controls and 95% of the… (More)


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