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Fig. 3B. —48-year-old woman with giant pancreatic cyst. Drawing shows
direction of blood flow in omental vein. When splenic vein is occluded,
splenic venous flow can empty into epiploic branch of left gastroepiploic
vein. Because anastomosis exists between left and right epiploic veins, which
makes a venous arch, splenic venous blood flow runs into gastrocolic trunk,
then portal vein. X indicates location of venous obstruction and arrows
indicate direction of blood flow. GCT = gastrocolic trunk, GEV =
gastroepiploic vein, EV = epiploic vein, SP = spleen.
