title: The missing stone.
abstract: A case of missed stone at cholecystectomy and choledochotomy is described. The theoretical and practical aspects of postoperative cholangiography are discussed. Optimal contrast dilution and radiographic factors are suggested.
mesh_terms: D002758:Cholangiography / Q000379:methods*; D002769:Cholelithiasis / Q000000981:diagnostic imaging*; D003287:Contrast Media; D006801:Humans; D008297:Male; D008875:Middle Aged; D011184:Postoperative Period
chemical_list: D003287:Contrast Media