The initial investigation of choice for a postcholecystectomy biliary stricture is
High-Yield Explanation
The first step in the management of a postcholecystectomy biliary stricture is to undeake an immediate ultrasound scan of the abdomen.This will demonstrate whether there is intrahepatic /extrahepatic dilatation secondary to strictures. After that, the anatomy needs to be defined by either an ERCP or MRCP. Reference: Bailey & Love&;s sho practise of surgery,25th edition, page no:1125.