| Cholangiopathies and other disorders involving bile ducts | | Cholelithiasis | | Biliary strictures after invasive procedure | | Cholangiocellular carcinoma | | Primary sclerosing cholangitis | | AIDS cholangiopathy | | CMV | | Cryptosporidium sp | | HIV | | Choledochal cyst | | Sphincter of Oddi dysfunction | | Parasitic infections | | Ascaris lumricoides | | Histiocytosis X | | | Extrinsic causes | | Pancreatitis (acute and chronic) | | Pancreatic carcinoma | | Portal adenopathy | | Metastases | | Tuberculosis | | Periampullary carcinoma | | Periampullary diverticulum | | Mirizzi's syndrome | |
