Routine intraoperative cholangiogram (IOC) during laparoscopic cholecystectomy (LC) helps to confirm biliary anatomy and reduce bile leaks. It also allows identification of common bile duct stones intraoperatively which in selected patients can be cleared transcystically in the same procedure which is much less morbid than through post-operative endoscopic retrograde cholangiopancreatography (ERCP).
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Li et al. (2017) studied this question.
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