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DMS333-BB4
USIDMS GB/Biliary Tree
Question | Answer |
---|---|
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 |