Laparoscopic ultrasound is an effective diagnostic tool that can be utilized in a wide range of operations. A common use in general surgery is during laparoscopic cholecystectomy, in order to identify stones in the common bile duct (choledocholithiasis) and examine the anatomy of the biliary tree. Although intraoperative cholangiography has become the more pervasively utilized imaging modality for these purposes, ultrasound offers several advantages over it, including the absence of radiation and contrast dye exposure, faster scanning times, and superior cost-effectiveness, all while achieving an equivalent level of diagnostic accuracy. This chapter details the techniques necessary for performing ultrasound during laparoscopic cholecystectomy and describes the relevant literature pertaining to clinical outcomes and comparisons with intraoperative cholangiography.
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