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Klatskin tumors and other cholangiocarcinoma - Lieberman's ...

Klatskin tumors and other cholangiocarcinoma - Lieberman's ...

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Patient KR: Biliary Dilatation on<br />

RUQ US<br />

A P<br />

TA US, sagittal, patient KR<br />

Image Source: BIDMC (PACS)<br />

TA US:<br />

Bile ducts appear as<br />

tubular, branching<br />

lucencies<br />

Moderate intrahepatic<br />

ductal dilation<br />

No evidence of<br />

choledocholithiasis<br />

Not sensitive in the<br />

diagnosis of distal CBD<br />

stones due to gas in<br />

duodenum<br />

Dilated bile ducts signify<br />

distal biliary obstruction<br />

9

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