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DMS333-BB4

USIDMS GB/Biliary Tree

QuestionAnswer
Where is a Hilar/Klatskin tumor located? Where the rt and lt hepatic duct merge to form the CHD
What disease of the GB and biliary system is the most common cause of obstructive jaundice? Choledocholithiasis
What is the top normal size of the hepatic duct? 4mm
What is cholangitis? Inflammation of the bile duct
What is a normal GB wall thickness? 3mm or less
How do differentiate sludge from empyema on ultrasound? Empyema has denser areas (less homogenous) than sludge.
What is the first sign of biliary atresia? Jaundice
Top normal measurement for CBD? 5mm
What two vessels empty into the ampulla of vater? CBD and pancreatic duct
If you see pericholecystic fluid on ultrasound, what disease can be assumed? Cholecystitis
Comet tail artifact is a result of which pathology? Adenomyomatosis
How is the GB affected with biliary atresia? No GB, but if present it is very small
What are the three possible locations of cholargiocarcinoma? Intrahepatic, Extrahepatic, Hilar/Klatskin
What is a common cause of cholangitis? Choledocholithiasis
How to distinguish a polyp from cholelithiasis? Polyps do not shadow and are not gravity dependent
What artery supplies blood to the GB? Cystic artery
Locationally, how is the CBD oriented to the IVC? Anterior
The common hepatic duct merges with the __________ duct to form the CBD Cystic duct
What are the 5F's of cholelithiasis? Fat, Fair, Female, Fertle, Forty
What is the length of a normal GB? 7-10cm
Created by: bkbraswell