Anatomy of the Gallbladder
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Questions and Answers

Where is the gallbladder located in relation to the liver?

  • Superior to the liver
  • Inferior to the liver (correct)
  • Anterior to the liver
  • Within the liver lobes

What forms the cystic duct and the gallbladder during embryonic development?

  • Hartmann pouch
  • Spiral valves of Heister
  • Biliary tree (correct)
  • Cystic folds

What is often found in the region of the gallbladder neck and is a common site for gallstone impaction?

  • Hartmann pouch (correct)
  • Interlobar fissure
  • Spiral valves of Heister
  • Fundus

Which structure can be used as a landmark for locating the gallbladder fossa?

<p>Interlobar fissure (C)</p> Signup and view all the answers

What percentage of the gallbladder surface is typically covered by peritoneal tissue as it migrates towards the surface of the liver?

<p>50% to 70% (D)</p> Signup and view all the answers

What is the consequence of failure of the gallbladder to migrate towards the liver's surface?

<p>Increased risk of intrahepatic gallbladder (A)</p> Signup and view all the answers

What is a common area for edema in cases of generalized edematous processes or local inflammation related to the gallbladder?

<p>Potential space between gallbladder and liver (D)</p> Signup and view all the answers

What can the gallbladder be mistaken for on sonographic examination when it is collapsed and filled with stones?

<p>Bowel gas (D)</p> Signup and view all the answers

What is the approximate percentage of the population that experiences agenesis of the gallbladder?

<p>0.09% (C)</p> Signup and view all the answers

What leads to increased mobility of the gallbladder and is a risk factor in the development of gallbladder torsion (volvulus)?

<p>Hanging from a mesentery (D)</p> Signup and view all the answers

What are the sonographic findings associated with gangrenous cholecystitis?

<p>Nonlayering bands of echogenic tissue within the gallbladder lumen (D)</p> Signup and view all the answers

Why is Murphy sign absent in two-thirds of patients with gangrenous cholecystitis?

<p>Necrosis of the nerve supply to the gallbladder (B)</p> Signup and view all the answers

What characterizes hemorrhagic cholecystitis?

<p>Bleeding within the gallbladder wall and lumen (A)</p> Signup and view all the answers

What are clues to the perforation of the gallbladder?

<p>Deflation of the gallbladder and loss of its gourdlike shape (A)</p> Signup and view all the answers

What is a distinguishing feature of a pericholecystic abscess compared to uncomplicated cholecystitis?

<p>Small fluid collection around the wall defect (B)</p> Signup and view all the answers

What is a significant difference between emphysematous cholecystitis and typical acute cholecystitis?

<p>Presence of gas-forming bacteria (B)</p> Signup and view all the answers

In which condition may gallbladder perforation be more common than in typical acute cholecystitis?

<p>Emphysematous cholecystitis (C)</p> Signup and view all the answers

Which patient group is acalculous cholecystitis more common in?

<p>Older male patients with atherosclerotic disease (B)</p> Signup and view all the answers

What is a characteristic appearance of emphysematous cholecystitis on sonography?

<p>Bright, echogenic line without shadowing (C)</p> Signup and view all the answers

What factor may make the diagnosis of acalculous cholecystitis challenging in critically ill patients?

<p>Presence of wall thickening in the gallbladder (C)</p> Signup and view all the answers

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