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Institute for Advanced Medical Education - Raising the bar in CME

Choledochal Cyst

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1. The most common type of choledochal cyst is:

a. Type I

b. Type II

c. Type III

d. Type IV

e. Type V

2. The prenatal management of the choledochal cyst is:

a. Fetal surgery

b. Punction of the cyst

c. Standard obstetrical care

d. Pregnancy termination

e. Ultrasound scanning every week

3. The ultrasound diagnosis of the choledochal cyst can be made:

a. From the 12th week

b. In the second and third trimesters of pregnancy

c. Only in the second trimester of pregnancy

d. Only in the third trimester of pregnancy

e. Before the 14th week

4. The prenatal recognition of the choledochal cyst is important because:

a. Fetal surgery can be performed with a better prognosis

b. The pregnancy can be terminated

c. Severe complications cannot occur

d. The prognosis is worse

e. An early postnatal treatment will improve the prognosis

5. The most common associated anomaly in the choledochal cyst is:

a. Liver cirrhosis

b. Congenital hepatic fibrosis

c. Biliary obstruction or atresia

d. Trisomy 18

e. Polyhydramnios

6. The following drawing shows choledochal cyst type:

Choldedochal Cyst

a. I

b. II

c. III

d. IV

e. V

7. The ultrasound finding in the choledochal cyst is:

a. A simple cyst in the upper abdomen very close to the porta hepatis

b. A simple cyst next to the right hepatic duct

c. A simple cyst next to the left hepatic duct

d. A simple cyst connected by a duct to the gallbladder

e. All of the above

8. The certain diagnosis of the choledochal cyst is established when:

a. A communication between the bile duct and the cyst can be visualized

b. The presence of flow inside the cyst is confirmed

c. A simple anechoic cyst is visualized in the upper abdomen

d. A simple anechoic cyst is seen in the right upper quadrant of the abdomen

e. A simple anechoic cyst is seen in the upper abdomen associated to gastric outlet obstruction

9. The differential diagnosis of the choledochal cyst include all of the following except:

a. Duplication cyst of the pylorus

b. Gallbladder duplication

c. Extralobar subdiaphragmatic lung sequestration

d. Duodenal duplication

e. Duodenal atresia

10. The following statement about the choledochal cyst are correct, except:

a. It is also called choledococele

b. It is more common in males

c. It is more common among Asians

d. Its etiology is unknown

e. It occurs in approximately 0.005:10,000 live births