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Problems of retained calculi in the bile duct.

A study of 68 patients subjected to re-surgery for residual or recurrent gallstones provided the following results: Among the 68 patients, the stones were recurrent in only 4, residual in 38, and uncertain but mostly suggesting residual in the other 26 cases. In many of the residual stone cases, the previous operations were cholecystectomy alone, retrospectively suggesting insufficient search for residual stones and other abnormalities in the biliary tract during the operations. Of the 4 recurrent stone cases, 3 of them showed bile duct stricture, papillary stenosis and idiopathic choledochus …