Biliary cystadenoma and cystadenocarcinoma CT

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

CT

There are no specific imaging features that permit reliable differentiation of biliary cystadenoma from cystadenocarcinoma.

• The CT attenuation of the fluid component in a biliary cystadenoma varies depending on the fluid content.
• Higher attenuation may indicate recent hemorrhage.
• Calcifications that may be present in the septa or cyst wall are typically more apparent with CT than other imaging modalities.
• Septa may enhance with contrast material.

(Images courtesy of RadsWiki)

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  CT image demonstates a biliary cystadenoma
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  CT image demonstates a biliary cystadenoma