Cholangiocarcinoma has been associated with infection by
Risk factors for cholangiocarcinoma Choledochal cyst Primary sclerosing cholangitis Ulcerative colitis. RPC or hepatolithiasis. Biliary enteric anastomosis HBV, HIV, HCV Choledocholithiasis Clonorchis sinensis and opisthorchis viverrini Cirrhosis Radon Asbestos, Nitrosamines, Dioxib(AND). Diabetes, Obesity, OCP's, smoking, Thorotrast, Isoniazid(DOSTI) Ref: Sabiston 20th edition Pgno :1514
Paragonimus westermani
Clonorchis sinensis
Loa Loa
Schistosoma haematobium
G.I.T