This case is about a one obesity patient to carry out pancreaticoduodenectomy for solido pseudopapilary cyst of the pancreatic head, considerate in pancreatic surgery like high risk for to present soft pancreatic, wirsung smaller to 2mm and not bile duct dilatation .The pancreaticojejunostomy was performed end to end with invagination of the pancreatic stump with suture in tobacco bag to a defunctionalized jejunal loop Y the Roux to avoid middle alkali of the bile duct - jejunostomy.