20 Questions
Where is the gallbladder located in relation to the liver?
Inferior to the liver
What forms the cystic duct and the gallbladder during embryonic development?
Biliary tree
What is often found in the region of the gallbladder neck and is a common site for gallstone impaction?
Hartmann pouch
Which structure can be used as a landmark for locating the gallbladder fossa?
Interlobar fissure
What percentage of the gallbladder surface is typically covered by peritoneal tissue as it migrates towards the surface of the liver?
50% to 70%
What is the consequence of failure of the gallbladder to migrate towards the liver's surface?
Increased risk of intrahepatic gallbladder
What is a common area for edema in cases of generalized edematous processes or local inflammation related to the gallbladder?
Potential space between gallbladder and liver
What can the gallbladder be mistaken for on sonographic examination when it is collapsed and filled with stones?
Bowel gas
What is the approximate percentage of the population that experiences agenesis of the gallbladder?
0.09%
What leads to increased mobility of the gallbladder and is a risk factor in the development of gallbladder torsion (volvulus)?
Hanging from a mesentery
What are the sonographic findings associated with gangrenous cholecystitis?
Nonlayering bands of echogenic tissue within the gallbladder lumen
Why is Murphy sign absent in two-thirds of patients with gangrenous cholecystitis?
Necrosis of the nerve supply to the gallbladder
What characterizes hemorrhagic cholecystitis?
Bleeding within the gallbladder wall and lumen
What are clues to the perforation of the gallbladder?
Deflation of the gallbladder and loss of its gourdlike shape
What is a distinguishing feature of a pericholecystic abscess compared to uncomplicated cholecystitis?
Small fluid collection around the wall defect
What is a significant difference between emphysematous cholecystitis and typical acute cholecystitis?
Presence of gas-forming bacteria
In which condition may gallbladder perforation be more common than in typical acute cholecystitis?
Emphysematous cholecystitis
Which patient group is acalculous cholecystitis more common in?
Older male patients with atherosclerotic disease
What is a characteristic appearance of emphysematous cholecystitis on sonography?
Bright, echogenic line without shadowing
What factor may make the diagnosis of acalculous cholecystitis challenging in critically ill patients?
Presence of wall thickening in the gallbladder
Test your knowledge on the anatomy of the gallbladder, including its position in relation to the liver and surrounding structures.
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