Figure 1. (A) Ultrasound examination of the RUQ revealed mild thickening of the gallbladder wall without cholelithiasis and dilation of the CBD to 9.3 mm without choledocholithiasis. The full length of the CBD could not be visualized using ultrasonography. (B) Contrast-enhanced CT scan of the abdomen showed gallbladder wall thickening and possible sludge or non-calcified stones in the distal portion of the CBD. (C) IOC revealed multiple gallstones in the CBD.
RUQ: right upper quadrant; CBD: common bile duct; IOC: intraoperative cholangiogram