Extrahepatic mucinous biliary cystadenoma: A rare cause of gastric outlet obstruction

Extrahepatic mucinous biliary cystadenoma is an extremely rare clinical entity that can present with varieties of vague clinical signs and symptoms. Gastric outlet obstruction caused due to this has never been reported before. We highlighted the diagnostic dilemma we faced when radiological investigations could not suggest the accurate organ of origin. We highlighted the diagnostic dilemma, we faced when radiological investigations could not suggest the accurate organ of origin for extrahepatic mucinous biliary cystadenoma.