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The cystic duct of 104 gallbladder stone cases and 38 common bile duct stone cases among cholesterol stone cases, whose radiological appearance were visible clearly on PTC pictures, were analysed on their morphological changes, modes of union to common bile duct and pathological findings.The dilatation of cystic duct, especially totale extension form was observed as many in common bile duct stones compared with gall bladder stones.As concerning the modes of union to common bile duct, the spiral form was few in common bile duct stones.The pathological findings of cystic duct in common bile duct stones were erosions, flatten and destruction of villi.It is considered that cholesterol gall stones are produced in gall bladder, therefore the cystic duct changes of common bile duct stone cases are closely related with the stone passage through cystic duct.
財団法人日本消化器病学会の論文