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The medical records of 277 consecutive patients who underwent cholecystectomy for benign gall stone disease, were reviewed to determine the incidence and cause of biliary tract obstruction. Obstructive jaundice (icteric obstructive biliopathy) was present in 38 cases. This was due to choledocholithiasis in 22. Mirizzi's Syndrome in two, biliobiliary fistula in eight and biliary stricture in five patients. Preoperative direct cholangiography (ERCP/PIC) was helpful. Anicteric patients were classified on the basis of a history of jaundice serum alkaline phosphatase, sonography and operative findings. Anicteric patients with evidence of biliary tract pathology (anicteric obstructive biliopathy) had a significant incidence of choledocholithiasis (33.3%). Biliary complications were uncommon in this group (4.3%). Peroperative cholangiography was carried out and was valuable in these patients but was normal in all 83 patients who had no evidence of biliary obstruction.

Gall Bladder And Common Bile Duct Stones – When Is Direct Cholangiography Indicated?