bile duct disease +
parasitic helminthiasis infectious disease +

acanthocephaliasis
ampulla of Vater benign neoplasm +
ancylostomiasis
angiostrongyliasis
anisakiasis
ascariasis
ascaridiasis
baylisascariasis
bile duct adenoma +
bile duct cancer +
bile duct carcinoma in situ
bile duct cystadenoma +
capillariasis
Caroli disease
Caroli syndrome
cholangitis +
choledochal cyst
cholestasis +
clonorchiasis
coenurosis
common bile duct disease +
dicrocoeliasis
dioctophymiasis
diphyllobothriasis
dracunculiasis
echinococcosis +
echinostomiasis
enterobiasis
extrahepatic bile duct leiomyoma
extrahepatic bile duct lipoma
fascioloidiasis
fasciolopsiasis
filariasis +
gnathomiasis
heterophyiasis
hymenolepiasis
mesocestoidiasis
metagonimiasis
monieziasis
necatoriasis
oesophagostomiasis
opisthorchiasis
paragonimiasis
philophthalmiasis
schistosomiasis +
sparganosis
strongyloidiasis
taeniasis +
thelaziasis
toxascariasis
toxocariasis
trichinosis
trichostrongyloidiasis +
trichuriasis