Choledocholithiasis CT

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Adenike Eketunde

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Contrast Computerized tomography CT is moderately sensitive to Choledocholithiasis with a sensitivity of 65-88%, while CT cholangiography with biliary excreted contrast agents are highly sensitive and specific with 88-96% and 88-98%, respectively.

Contrast CT is moderately sensitive to Choledocholithiasis with a sensitivity of 65-88%, while CT cholangiography with biliary excreted contrast agents are highly sensitive and specific with 88-96% and 88-98%, respectively.

• In CT cholangiography, the obstruction of the common bile duct diminishes the flow of contrast agent. Contrast agents used for imaging studies can be complications with an allergic reaction or kidney damage.

• In contrast-enhanced CT, findings include target sign, rim sign, crescent sign, calcification, and biliary dilatation.^[1]

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