Cholangiography: Difference between revisions

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{{Short description|Imaging of the bile duct}}

{{Infobox medical intervention |

Name = Cholangiography |

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'''Cholangiography''' is the imaging of the [[bile duct]] (also known as the biliary tree) by [[x-rays]] and an injection of contrast medium.<ref>{{Cite web|title=Cholangiography {{!}} Gallbladder cancer {{!}} Cancer Research UK|url=https://www.cancerresearchuk.org/about-cancer/gallbladder-cancer/getting-diagnosed/tests-diagnose/cholangiography|access-date=2021-01-04|website=www.cancerresearchuk.org}}</ref>

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==Types==

There are at least four types of cholangiography:{{cn|date=January 2022}}

# [[Percutaneous transhepatic cholangiography]] (PTC): Examination of [[liver]] and bile ducts by x-rays. This is accomplished by the insertion of a thin needle into the liver carrying a contrast medium to help to see blockage in liver and bile ducts.

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# [[Secondary cholangiography]]: Done after a biliary drainage intervention.

In both cases [[fluorescent]] fluids are used to create contrasts that make the diagnosis possible. Cholangiography has largely replaced the previously used method of [[intravenous cholangiography]] (IVC).{{cn|date=January 2022}}

* [[Magnetic resonance cholangiopancreatography]] (MRCP) is another cholangiography method.

==References==

{{Reflist}}

{{Angiography}}

{{Digestive system procedures}}

{{Medical imaging}}