gb/biliary tree

Question 1

what is the upper limit of normal for the measurement of the gallbladder wall?

Answer 1

3mm

Question 2

which of the following is not included in the portal triad?

Answer 2

hepatic vein

Question 3

what is the normal measurement for an intrahepatic bile duct?

Answer 3

less than 2cm

Question 4

what is a fold or kinking of the gallbladder fundus onto the body commonly called?

Answer 4

Phrygian cap

Question 5

which of the following is the hormone that causes the gallbladder to contract and the sphincter of oddi to relax, allowing bile to flow from the gallbladder to the small intestine?

Answer 5

cholecystokinin

Question 6

which anatomical landmark can help locate a gallbladder that is difficult to visualize?

Answer 6

main lobar fissure

Question 7

which of the following is not a laboratory test that can be used to evaluate the biliary system?

Answer 7

lipase

Question 8

a 2 month old infant presents with persistent jaundice and a palpable RUQ mass. the sonogram demonstrates a normal gallbladder and a cystic mass in the porta hepatis that appears to be separate from the gallbladder. the CBD appears to be entering the cystic mass.what is most likely the diagnosis?

Answer 8

choledochal cyst

Question 9

a 2 week old infant presents with a sudden onset of jaundice. the sonogram demonstrates intrahepatic ductal dilatation but does not demonstrate a gallbladder of CHD. which congenital biliary anomaly is most likely the cause?

Answer 9

biliary artesia

Question 10

which of the following is not a symptom of gallbladder disease?

Answer 10

hematuria

Question 11

which of the following statements regarding gallstones is false?

Answer 11

the majority of gallstones cause symptoms

Question 12

which of the following statements regarding gallbladder polyps is false?

Answer 12

polyps will move to the dependent portion of the gall bladder with change in patient position

Question 13

what is the most common malignancy to metastasize to the gallbladder?

Answer 13

melanoma

Question 14

a comet-tail reverberation artifact is seen originating from the anterior gallbladder wall. what gallbladder pathology is most likely causing this artifact?

Answer 14

adenomyomatosis

Question 15

with a distal obstruction such as a mass in the head of the pancreas, which part of the biliary tree is the first to dilate?

Answer 15

gallbladder

Question 16

which of the following will cause a thin-walled gallbladder?

Answer 16

hydrops

Question 17

an abdominal sonogram demonstrates a large hypoechoic mass in the head of the pancreas. the gallbladder is enlarged with a thin wall. Murphy sign is negative. no gallstones are seen and the bile ducts are normal in the caliber. what is the most likely diagnosis?

Answer 17

Courvoisier gallbladder

Question 18

a 76 year old patient presents for an abdominal sonography examination with chronic abdominal pain. an irregular mass is seen projecting into the gallbladder lumen. color doppler detects flow with in a mass. gallstones are also seen. what is the most likely diagnosis?

Answer 18

gallbladder carcinoma

Question 19

which of the following does not increase a patients risk of developing gallbladder malignancy?

Answer 19

septate gallbladder

Question 20

which of the following would cause intrahepatic dilation with a normal gallbladder and Cbd?

Answer 20

klatskin tumor