Which does not predispose to cholangiocarcinoma:: (A) Ulcerative colitis, (B) Clonorchis sinensis, (C) Choledochal cyst, (D) Chronic pancreatitis
Answer is D. Ans. is 'd' i.e., Chronic pancreatitis Risk factors for CholangiocarcinomaPrimary sclerosing cholangitisCholedochal cystUlcerative colitis Mnemonic 5 C'sClonorchis sinensis inf.Chronic typhoid carriersOther risk factorsHepatolithiasisBiliary enteric anastomosisLiver flukesDietary nitrosaminesExposure to thorotrast, dioxin