Ultrasound of the common bile duct in patients undergoing cholecystectomy.

@article{Stott1991UltrasoundOT,
  title={Ultrasound of the common bile duct in patients undergoing cholecystectomy.},
  author={Matthew Stott and Phillip Farrands and P B Guyer and Keith Dewbury and Jason Browning and Richard Sutton},
  journal={Journal of clinical ultrasound : JCU},
  year={1991},
  volume={19 2},
  pages={73-6}
}
One hundred patients undergoing cholecystectomy underwent ultrasonography of the biliary tree on the day prior to surgery. At operation a per-operative cholangiogram was performed unless stones were palpable in the duct. Pre-operative biliary ultrasonography accurately identified dilatation of the common bile duct (sensitivity 96%, specificity 95%) but was less accurate at detecting common duct stones (sensitivity 36%, specificity 98%). Thirty three percent of patients with dilated ducts on… CONTINUE READING