Atypical Presentations of Gall Bladder Carcinoma

The incidence of gallbladder carcinoma is 1.2 cases per 100,000/ year and increases with age, particularly after the sixth decade of life. Ethnic background and geographical location are important factors in the incidence of this cancer. It is more common in Central and South America, Japan and North India. Risk factors include cholelithiasis, calcified gallbladder wall, adenomatous gallbladder polyps, choledochal cyst and anomalous pancreatobiliary junction.