All of the following are risk factors of CA GB except: (A) Gallstones, (B) Adenomyomatosis, (C) Procelain gallbladder, (D) Choledochal cyst
Answer is B. Adenomyomatosis has no malignant potential Risk factors for carcinoma Gallbladder Gallstones >3cm Procelain gallbladder Anomalous pancreaticobiliary junction Choledochal cysts Adenomatous polyps Primary sclerosing cholangitis Obesity Salmonella typhi infection Ref : Sabiston 20th edition Pgno :1510