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Laparoscopic operative cholangiography: a simple, successful, cost-effective method.

Operative cholangiography in conventional open cholecystectomy is well established (1), either as a routine or in selected cases (2). Since the advent of laparoscopic cholecystectomy the techniques and indications now have to be re-examined. Cholangiography is important in the identification of site and number of ductal stones, and in some cases useful in identifying aberrant ductal anatomy (3). Special cannulas have been designed for use in laparoscopic cholangiography but they are expensive and utilise one of the instrument ports. Alternative methods, for example utilising a human umbilical vein catheter have also been described. We describe a method employing a Vygon Drumcath® (Vygon (UK) Ltd, Bridge Road, Cirencester, Gloucestershire). We have found this to provide excellent results.