Biliary System Flashcards Preview

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Flashcards in Biliary System Deck (45):
1

Which ducts join to form the CHD?

right and left hepatic ducts
E 40

2

Which ducts join to form the CBD?

cystic duct and CHD
E 40

3

Which ducts join to form the ampulla of Vater?

CBD and Duct of WIrsung in the pancreas
E 40

4

What does the portal triad consist of?

MPV
CHD
proper HA
E 40

5

What do the valve of Heister's control?

controls the bile flow in the cystic duct
E 41

6

What is Hartmann's pouch?

abnormal sacculation of the neck of the GB
E 41

7

What is a phrygian cap?

fold between the body and fundus
E 41

8

What is a junctional fold?

fold between the body and neck
E 41

9

Where does the ampulla of Vater empty into?

passes through the sphincter of Oddi into the duodenum
E 41

10

What is normal GB wall thickness?

less than 3 mm
E 42

11

What are causes of GB wall thickening?

Cholecysitis
hypoalbuminemia
ascites
hepatitis
congestive heart failure
pancreatitis
E 43

12

What is sludge associated with?

biliary stasis
prolonged fasting
hemolysis
cystic duct obstruction
cholecystitis
E 43

13

What is a gallbladder filled with stones called?

WES sign
E 44

14

What features are present with acute cholecystitis?

gallstones
Murphy's sign
diffuse wall thickening
gallbladder dilitation
sludge
E 45

15

What is considered chronic cholecystitis?

history of multiple episodes of acute cholecystitis, sonographically the same as acute cholecystitis
E 45

16

What is emphysematous cholecystitis?

acute cholecystitis due to wall ischemia and infection
E 46

17

What is empyema of the gallbladder?

pus within the gallbladder
E 47

18

What is gallbladder perforation?

localized fluid collection in the gb fossa
E 47

19

What is acalculous cholecystitis?

acute cholecystitis without gallstones
E 48

20

What is a porcelain gallbladder?

calcification of the gallbladder wall
E 49

21

What is hydrops of the gallbladder?

overdistended gb
asymptomatic
E 49

22

What size of gallbladder polyps are considered benign?

< 10 mm
E 49

23

What is cholesterolosis?

lipids deposited into the gallbladder wall appearing like polyps
E 50

24

What are the sonographic findings of gallbladder carcinoma?

intraluminal mass
asymmetric wall thickening
mass that fills the gb
E 50

25

What is adenomyomatosis?

hyperplastic changes involving the gallbladder wall forming a thickened wall and diverticula
E 51

26

What artifact is associated with adenomyomatosis?

comet-tail (reverberation)
E 51

27

Where in the biliary tract is biliary obstruction most common?

distal CBD
E 52

28

What are the 2 most common reasons for biliary obstruction?

gallstones
carcinoma of the head of the pancreas
E 52

29

Obstruction of the biliary tract would elevate which lab values?

alk phos
bilirubin
E 52

30

What is a normal measurement of the CBD postcholecystectomy?

up to 10 mm
E 53

31

What is it called when the dilated hepatic duct is parallel to the portal vein?

Shotgun sign
E 54

32

What is choledocholithiasis?

calculi present in the bile ducts
E 56

33

What are symptoms of choledocholithiasis?

RUQ pain
jaundice
E 56

34

What is Mirizzi Syndrome?

extrahepatic biliary obstruction due to a stone in the cystic duct
E 56

35

What is a common finding with cholangiocarcinoma?

intrahepatic dilatation
E 57

36

What is cholangitis?

bacterial infection caused from obstruction of the biliary tree.

37

When is biliary atresia suspected?

when jaundice persists beyond 14 days old
E 58

38

What is pneumobilia?

air in the biliary tract
E 58

39

What findings are seen with pneumobilia?

echogenic foci with comet-tail reverberation
E 59

40

What is a choledochal cyst?

cystic dilitation of the bile ducts
E 59

41

What are the sonographic findings of choledochal cysts?

two cystic structures in the GB and CBD
E 59

42

What is Caroli's disease?

congenital anomaly where there is dilitation of the intrahepatic ducts
E 60

43

What are the sonographic findings in Caroli's disease?

multipe cystic structures that converge towards the porta hepatis communitcating with the bile ducts
sludge and calculi can be seen
E 60

44

What is courvoisier gallbladder?

enlarged non-diseased GB due to obstruction of the CBD
E 60

45

What lab value is elevated in biliary disease?

conjugated bilirubin and alk phos
E 62