Pull up the round ligament to bring the hilum into full view.
Mentally draw a straight line bisecting the bed of the gallbladder lengthwise and then consider a line drawn perpendicular to it, intersecting at the neck of the gallbladder. The middle segmental branch lies along the imaginary line that cuts through the gallbladder, while the right segmental branch lies along the imaginary line perpendicular to this line. The left segmental branch eventually narrows to become the umbilical portion. Several small branches come out of the two secondary branches and lead to the caudate area.
Basic Principles of Hepatic Segmentectomy Procedure 33
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