Highlight Sawada and colleagues report a case of mucinous cholangiocarcinoma not originating from intraductal papillary neoplasm of the bile duct. While recognizing the imaging features of the bile ducts is difficult due to their narrow area, the detailed characteristic features may enable preoperative diagnosis of this rare type of cholangiocarcinoma.
Keywords: adenocarcinoma; bile duct neoplasms; biliary tract neoplasms; mucinous; neoplasms.
© 2021 Japanese Society of Hepato-Biliary-Pancreatic Surgery.