What is cholangiography?
Cholangiography is an X-ray examination of the bile duct (common bile duct, cystic duct, hepatic duct and gallbladder, or all channels that are traversed by bile) carried out by administration of a radio-opaque contrast medium and subsequent fluoroscopy and radiography of the body parts involved.
What is the purpose of cholangiography?
The purpose of cholangiography is to view the bile ducts and verify their structure, functions and pathologies.
Cholangiography techniques are different and the standards of preparation will vary according to the chosen method.
Which patients can undergo the exam?
The examination is recommended for patients who require evaluation of the functionality of the biliary tract. The examination is not recommended for pregnant women due to the risk of irradiation of the fetus.
How is the exam performed?
The first step of the exam is injecting the contrast material followed by various cholangiography techniques, including:
- Percutaneous cholangiography
- Cholangiography Trans-Kher
- Intraoperative cholangiography