Fig. 1From: Epiploic gonadal vein as a new bypass route for extrahepatic portal venous obstruction: report of a caseSchema of extrahepatic portal venous obstruction. Extrahepatic main portal vein (PV) was occluded (between black arrows). The left portal vein was constricted, although it was perfused by cavernous transformation, and the patient’s splenic vein (SpV) was also constricted. The left gastric vein (LVG) and mesenteric vein (MV) were markedly dilated. SMV superior mesenteric veinBack to article page