自1980年Ohhashi报告第一例胰腺导管内产粘蛋白肿瘤以来，一组胰腺肿瘤已命名为胰腺导管内乳头状粘液样肿瘤（IMPT），因肿瘤主要位于胰腺主导管或侧支导管内，所产生的粘蛋白或乳头状生长引起导管梗阻，由此发生腹痛或胰腺炎症状，在1996年为止仅有104例见于文献报道，其他更 Since Ohhashi reported the first case of a mucin-producing tumor in the pancreas of the pancreas in 1980, a group of pancreatic tumors has been named the pancreatic ductal papillary mucinous tumor (IMPT) because the tumor is mainly located in the main or lateral branch of the pancreas. The resulting mucin or papillary growth causes catheter obstruction, which causes abdominal pain or symptoms of pancreatitis. Only 104 cases have been reported in the literature since 1996. Others