USIDMS GB
Help!
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| how should the GB appear on ultrasound? | anechoic with thin walls
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| what does the GB neck merge with to begin the biliary ductal system? | cystic duct
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| what are the folds of the cystic duct called? | Spiral Vales of Heister
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| what is the function of the spiral valves of heister? | helps keep GB from collapsing, helps control flow of bile
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| what is the CBD formed by? | CHD and cystic duct
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| how does the CBD travel to the pancreas? | inferior and posterior to lateral side
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| what is the function of the GB? | concentration of bile, delivery of bile to duodenum, storage of bile
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| when fats and amino acids are ingested the duodenal mucosa releases what? | cholecystokinin (CCK)
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| what is the most common GB variation? | Phrygian Cap
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| what is the function of the biliary system? | transport bile from liver to GB, transport bile from GB to duodenum
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| what is a Packed Bag or WES sign? | when GB is completely packed with stones so its hard to visualize
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| GB wall thickness should not exceed what? | 3mm
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| when looking at GB wall thickness what may cause a false positive? | ascites
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| what is the most common cause of cholecystitis? | stone impaction in cystic duct
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| what else is Courvoisier's Sign known as? | hydrops
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| what is emphysematous cholecystitis? | Gas that is produced within GB wall (produced from infection)
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| what is biliary atresia? | incomplete formation of ductal system
(no cystic duct, CHD, CBD)
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| what is the most common obstructive biliary disease in infants and children? | biliary atresia
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| What is the most common cause of obstructive jaundice? | Choledochalithiasis
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| what LFT will be elevated with choledocholithiasis? | ALP
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