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胰腺导管内乳头状黏液瘤(intraductal papillary mucinous neoplasm,IPMN)是近年来被临床医师逐渐认识的一种胰腺囊性病变,世界卫生组织将其定义为具有胃肠上皮分化倾向、由产生黏液的上皮乳头状增殖形成的肿瘤[1],是胰腺癌最主要的癌前病变之一[2]。
Pancreatic ductal papillary mucinous neoplasm (IPMN) is a kind of pancreatic cystic disease which is gradually recognized by clinicians in recent years. WHO defines it as having the tendency of gastrointestinal epithelial differentiation, including mucinous epithelium The formation of papillary hyperplasic tumors [1], is one of the most important pancreatic cancer precancerous lesions [2].