Dilated common bile duct cbd with normal conjugated (direct) bilirubin .

1-Partial common bile duct obstruction 2-Intermittent common bile duct obstruction (valve like action of stone) 3-occlusion of a number of major bile ducts 4-Sclerosing cholangitis 5-Caroli disease 6-After surgical release of the obstruction, the biliary ducts contracted  centripetally, with the common bile duct requiring up to two to return to normal size Read less