A case of pancreatic cancer diagnosed after a long-term follow-up of intraductal papillary mucinous neoplasm

A 60-year-old woman was referred to our hospital with pancreatic cyst found by abdominal ultrasonography. Abdominal CT and MRCP demonstrated a multilocular cyst 30 mm in diameter in the pancreas head, without pancreatic duct dilation. Endoscopic ultrasonography demonstrated no mural nodule. The patient was diagnosed with branch duct intraductal papillary mucinous neoplasm (BD-IPMN) . After 12 years of follow-up, the enlarged cystic lesion up to...