Introduction: Venous aneurysms and pseudoaneurysms are rare entities; portal system aneurysms are shown as focal dilatations of the portal venous system. Superior mesenteric vein aneurysms are extremely rare. Case Report: We describe a case of superior mesenteric vein aneurysm in an asymptomatic 73yearold female. Although one cause of portal system aneurysm is portal hypertension, in this rar...
