Computed tomography revealed the cause to be a splenic artery pseudoaneurysm due to autodigestion-induced arrosion bleeding into the pancreatic duct in the setting of chronic pancreatitis.

and the two Y branches are anastomosed to (1) the donor superior mesenteric artery (which feeds the pancreatic head and duodenum) and (2) the donor splenic artery (which feeds the pancreatic tail).

pancreatic pseudocysts, splenic artery aneurysm, cholesterol embolism, splenic granuloma, congenital diaphragmatic hernia, rib exostosis, pancreatitis, Gaucher's disease, Wilson's disease ...

It is characterized by the narrowing of the splenic vein with post-stenotic dilatation and the absence of other common causes such as pancreatitis, pancreatic tumors, cysts, thrombosis ...