Cholangiography
Cholangiography
Cholangiography (pronounced: koh-lan-gee-OG-rah-fee) is a medical imaging technique used to visualize the bile ducts, which are part of the digestive system responsible for the transport of bile from the liver and gallbladder to the duodenum.
Etymology
The term "cholangiography" is derived from the Greek words cholē meaning "bile", angeion meaning "vessel", and graphia meaning "to write or record".
Procedure
Cholangiography involves the use of a contrast agent, which is injected into the bile ducts and then X-rayed. This allows for the visualization of any abnormalities such as blockages, stones, or tumors. There are several types of cholangiography, including percutaneous transhepatic cholangiography (PTC), endoscopic retrograde cholangiopancreatography (ERCP), and magnetic resonance cholangiopancreatography (MRCP).
Related Terms
- Bile Ducts: The tubes that carry bile from the liver and gallbladder to the duodenum.
- Contrast Agent: A substance used to enhance the contrast of structures or fluids within the body in medical imaging.
- Percutaneous Transhepatic Cholangiography (PTC): A type of cholangiography where the contrast agent is injected directly into the liver.
- Endoscopic Retrograde Cholangiopancreatography (ERCP): A type of cholangiography where the contrast agent is injected through an endoscope inserted through the mouth and into the duodenum.
- Magnetic Resonance Cholangiopancreatography (MRCP): A type of cholangiography that uses magnetic resonance imaging (MRI) to visualize the bile ducts.
External links
- Medical encyclopedia article on Cholangiography
- Wikipedia's article - Cholangiography
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