Choledocholithiasis This 84 year-old man presented with jaundice and epigastric pain. Several biliary calculi are shown within the dilated distal common bile duct on this abdominal ultrasound. While common bile duct calculi can be diagnosed with ultrasound, the sensitivity is low (50-60%). Failure to detect calculi may be due to a non-distended duct or to overlying bowel gas. The gold standard for detection of comm.. 2009. 8. 31. 이전 1 다음