Questions on Biliary system from exams.
Answers are provided after a set of 5 questions.
Q7. Most common site for cholangiocarcinoma is
- a) Intrahepatic bile ducts
- b) Hepatic duct bifurcation
- c) Middle CBD (Common Bile Duct)
- d) Lower 1/3rd of CBD (Commmon Bile duct)
Q8. Which is the least common anatomic variation of extrahepatic biliary system?
- a) Trifurcation of Right anterior, right posterior and left hepatic ducts.
- b) Right anterior hepatic duct joining the common hepatic duct
- c) Right Posterior hepatic duct joining the common hepatic duct
- d) Anomalies of the gall bladder
Q9. Which of the following is not true for Acalculus cholecystitis?
- a) It accounts for 5-10% cases of Acute Cholecystitis.
- b) This entity has a more fulminant course than calculus cholecystitis
- c) Acalculus Cholecystitis is commonly seen after burns, trauma or major cardiac surgeries.
- d) Cholescintigraphy is the investigation of choice for detecting Acute Acalculus Cholecystitis.
Q10. How much bile is produced by liver /day?
- a) 100-300 ml
- b) 300-500 ml
- c) 500-1000ml
- d) 500-1200 ml
Q11. Which of the following is not a criteria for diagnosing Sphincter of Oddi Dysfunction
- a) Common Bile Duct diameter more than 12 mm on USG
- b) Decrease in Common Bile Duct pressure after infusion of Cholecystokinin
- c) Ampullary pressure more than 40 mm Hg
- d) Delayed emptying of contrast from Common Bile Duct after ERCP
7.b Hepatic duct confluence
60-80% of cholangiocarcinoma are located at the Hepatic Duct bifurcation.( Sabiston 18th edition page 1584). In earlier reviews (Maingot' 10th edition page 1841) , the most common site mentioned is Common bile Duct (33-40%) followed by Common Hepatic duct (30-32%) and Hepatic duct bifurcation (20%).
Further content available for premium member only