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DMS333-AB4
USIDMS GB/Biliary Tree
Question | Answer |
---|---|
Which 2 biliary ducts combine to form the common bile duct? | common hepatic duct and cystic duct |
What is the most common cause of obstructive jaundice? | choledocholithiasis |
What is the anatomical variant of the GB in which the GB folds at the fundus? | Phrygian cap |
What is the anatomical variant of the GB in which the GB folds back onto itself at the neck? | Hartmann's pouch |
The common hepatic duct joins with which duct to form the common bile duct? | cystic duct |
A GB filled with non-shadowing low level internal echoes that move when the patient changes position is most likely _______. | sludge |
True or false. A focal dilation of the biliary tree caused by the reflux of pancreatic juices is known as a choledochal cyst. | true |
What is choledocholithiasis? | stones in the CBD |
What is the normal thickness of the GB wall? | 1-3mm |
Which duct contains the spiral valves of Heister? | cystic duct |
What is the most common obstructive biliary disease in infants and children; caused by incomplete formation of the bile ducts? | biliary atresia |
What are the two purposes of the spiral valves of Heister in the cystic duct? | keeps bile from flowing backwards and keeps the duct from collapsing on itself |
True or false. The CBD travels inferior and posterior to the lateral side of the pancreatic head. | true |
The CBD should measure no larger than ____ if under the age of 50. | 5mm |
What is the term for stones formed by crystallized bile salts and cholesterol in the GB? | cholelithiasis |
What are the 5 F's for cholelithiasis? | fat, female, fair, forty & up, fertile (child bearing age) |
A ______ tumor is located near the porta hepatis; forms where the right & left hepatic ducts converge to form the CHD. It is bile duct cancer tumor. | Klatskin |
When imaging the GB, you notice what appears to be known as a comet tail appearance from the GB wall. What type of cholecystosis is that probable of? | adenomyomatosis |
True or false. Cholecystitis is an inflammation of the GB with or without stones. | true |
What is the most distal portion of the GB, usually extending caudal past the right lobe of the liver? | fundus |