Mucinous Adenocarcinoma of Gallbladder: An Incidental Finding of Acute Cholecystitis With Cholelithiasis

The biliary tract's most frequent malignancy is gallbladder cancer (GBC). Due to the growing number of laparoscopic cholecystectomy procedures, majority GBC cases in United States are diagnosed as incidental findings. Roughly 5% reported adenocarcinomas mucinous type. Mucinous adenocarcinoma tumors contain more than 50% mucin materials and clinically characterized by poor prognosis. Initial presentation can mimic acute cholecystitis or cholelithiasis; meanwhile, histological findings post-cholecystectomy main diagnostic criteria gallbladder. This case presents a patient who has been with cholelithiasis subsequently underwent cholecystectomy. Histopathological examination specimen was consistent adenocarcinoma, subtype be specific.