In the US image presented here, the hypoechoic region, superior and to the left, represents the liver, while the markedly hypoechoic region, central and to the right, represents the gallbladder. [Courtesy of Dr. N. Jaffer]
The purpose of this CT is to illustrate where to localize the gallbladder. Note the liver at the 9 o’clock position with the gallbladder at the 10 o’clock position.
Transabdominal ultrasound showing dilated bile duct. [Courtesy of Dr. N. Jaffer]
Stone in the Common Bile Duct (CBD) Stone in the CBD just at the take-off of cystic duct. [Courtesy of Dr. G Haber]
Acute Cholecystitis Abdominal axial CT scans showing pericholecystic fluid (arrow, left image) and mucosal thickening of gallbladder wall (arrow, right image). [Courtesy of Dr. N. Jaffer]