Fig. 2

A 66-year-old male with gastric varices. Volume rendering images, anterior aspect. All of the portal venous system except the central splenic vein shows hepatopetal flow. a Early image depicts a peripheral splenic vein (white arrow), retro gastric vein (double asterisk), and the left renal vein (yellow arrow). b Mid-phase image additionally depicts the superior mesenteric and portal veins (red and green arrows, respectively), the left gastric vein (asterisk), and gastric varices (white arrowhead). c Late image depicts the gastrorenal shunt (gray arrowhead) behind the splenic vein, the inferior vena cava (blue arrow), and central splenic vein (section), which shows hepatofugal flow into the posterior gastric vein. The portosystemic shunt (double dagger) is composed of afferent veins (left gastric and retro gastric veins) and an efferent vein (gastrorenal shunt)