Which of the following is most appropriate for diagnosis of CBD stones
High-Yield Explanation
Ultrasonography in Gall stones Initial imaging modality of choice in obstructive jaundice It is operator dependent and may be sub optimal due to excessive body fat and intra liminal bowel gas USG can demonstrate Biliary calculus Size of GB and CBD Thickness of GB wall Presence of inflammation around GB Occasionally, presence of stones within the biliary tree It may even show a carcinoma of the pancreas occluding CBD USG in obstructive jaundice Initial imaging modality of choice in obstructive jaundice It can identify intra and exta hepatic biliary obstruction Identify the level of obstruction Cause if the obstruction may also be identified Gallstones on the gallbladder, common hepatic or CBD stones or lesions in the wall of the duct suggestive of a cholangiocarcinoma or Enlargement of the pancreatic head indicative of a pancreatic carcinoma Ref: Sabiston 20th edition Pgno : 1493