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</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%</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</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</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</p> Signup and view all the answers

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

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

    What characterizes hemorrhagic cholecystitis?

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

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

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

    Which patient group is acalculous cholecystitis more common in?

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

    What is a characteristic appearance of emphysematous cholecystitis on sonography?

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

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