MUC4 and pancreatic intraductal papillary-mucinous neoplasm: A previous study showed that analysis of DNA methylation status in promoters of MUC1, MUC2 and MUC4 (MSE analysis of pancreatic juice samples) could distinguish between gastric type intraductal papillary mucinous neoplasm (IPMN), intestinal type IPMN, other type IPMN and PDAC [33].