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4 Cards in this Set
- Front
- Back
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cholelithiasis demonstrated on CT
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depends primarily on stone composition.
cholesterol stones = CT density less than that of surrounding bile. calcified stones= easier to identify |
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cholecystitis on CT
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thickened and contrast enhanced wall.
distention/gallstones/ and pericholecystic fluid |
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optimal CT demonstration of the gallbladder and biliary tree requires
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thin sections (0.5-2 mm)
dual-phase (arterial and portal venous) |
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contrast agent used for hepatobiliary CT imaging
why? |
water
eliminates the streak artifact that may occur from the positive contrast agent within the duodenum |
