Mucinous Adenocarcinoma of Gall Bladder: A Rare Entity in Gall Baldder Adenocarcinoma

Abstract

Gall bladder carcinoma is the most common type of tumor of the biliary tract and adenocarcinoma is the major histopathological subtype. Mucinous variant is a rare subtype and mucinous carcinoma accompanied with signet ring is extremely rare. When mucinous component exceeds 90% of the tumor, it is labeled as pure mucinous carcinoma. Immunohistochemistry helps to distinguish primary mucinous adenocarcinoma of gall bladder from pseudo myxoma peritonei from appendiceal neoplasm. Mucinous carcinoma is CK 7 positive and CK20 negative. We report a case of mucinous adenocarcinoma arising from the fundus of the gall bladder.
 Keywords: Mucinous carcinoma, Gall bladder, Adenocarcinoma, Metastatic deposits