Gallbladder Normal + Path Flashcards
Where is the gallbladder located?
posteroinferior portion of the right lobe of liver
Describe the biliary tree
right and left hepatic ducts —> common hepatic duct —> joins with cystic duct to form CBD —> joins main pancreatic duct to form Ampulla of Vater (hepatopancreatic duct) at 2nd part of duodenum —> sphincter of Oddi
What is the function of cholecystokenin?
contracts the gallbladder and relaxed the sphincter of Oddi
The CBD should not exceed? When can it exceed this number?
7 mm; cholecystectomy or old age (older than 70)
What are the Valves of Heister? Where are they located?
prevent the cystic duct and gallbladder neck from overdistending or kinking; gallbladder neck and cystic duct
The gallbladder should not exceed what length?
8-12 cm
The thickness of the gallbladder wall should not exceed?
3 mm
The upper CHD should not exceed?
4 mm
The gallbladder wall should be measured in what plane?
transverse
Describe a floating gallbladder
low gallbladder position in the abdomen
True or False: A duplicated gallbladder can be without or with duplication of the cystic duct
True
What is a junctional fold?
fold seen at the body and neck of the gallbladder
What is it called when the gallbladder neck folds back on itself causing an outpouching?
Hartmann’s Pouch or Infundibulum
What is the most common variation of the gallbladder?
Phrygian Cap
Describe the Phrygian Cap
Gallbladder fundus is folded into itself
What is cholelithiasis? What is another name for it?
calcified mixture of cholesterol, bilirubin, and calcium; gallstones
Describe the sonographic appearance of cholelithiasis
mobile, echogenic foci with posterior shadowing
Cholelithiasis has elevated?
Elevated ALP/bilirubin
What is the WES sign? When is it present?
Wall, Echogenicity, Shadow; When gallbladder is compacted with gallstones (chronic cholecystitis)
True or False: With a WES sign, only the anterior lumen is seen
True