[Dissolution of residual biliary calculi in early postoperative periods]

The agent Octaglin was used for dissolving residual stones found in 5 patients in the early periods after operations on the biliary tract. It was administered through a drain left in the choledochus or cystic duct during the surgical intervention. The composition of the concrements was determined from examination of the biliary crystal structures by the method of polarizing light microscopy. The stones were dissolved completely in all cases so that 4 of the 5 patients did not need to be operated on for a second time.