What does cholangiography mean?
Cholangiography is a diagnostic imaging procedure used to visualize the bile ducts — the network of channels that carry bile from the liver and gallbladder into the intestine. A radiopaque contrast medium is delivered directly into the ductal system, making the normally invisible ducts stand out clearly on X-ray or fluoroscopic images. The technique takes several forms: percutaneous transhepatic cholangiography passes a needle through the liver, endoscopic retrograde cholangiography reaches the ducts via the duodenum, intraoperative cholangiography is done during gallbladder surgery, and magnetic resonance cholangiography achieves similar views without radiation or injected dye. Clinicians rely on it to locate gallstones, narrowings, leaks, and tumors within the biliary tree. The word belongs firmly to medical language, appearing in radiology reports, operative notes, and specialist literature rather than everyday conversation. Its companion noun, the cholangiogram, refers to the image itself rather than the procedure.
nounA medical imaging technique in which a radiopaque contrast agent is introduced into the bile ducts so they can be visualized on X-ray or fluoroscopy, used to detect stones, strictures, tumors, and other abnormalities of the biliary tract.
- Radiographic visualization of the bile ducts after introduction of a contrast medium, performed by various methods including percutaneous transhepatic, endoscopic retrograde, intraoperative, or magnetic resonance techniques.
"The surgeon ordered an intraoperative cholangiography to confirm that no gallstones remained in the common bile duct."
"Magnetic resonance cholangiography revealed a benign stricture at the junction of the hepatic ducts."
"During the operation, the team performed cholangiography through the cystic duct to rule out retained stones."
Rarely used; the uncountable singular is standard even when referring to multiple examinations.
"The patient's records documented two separate cholangiographies over the course of treatment."
Surgeons have been lighting up the body's bile highways with dye since the 1930s — and today a version of it needs no needles at all, just magnets: magnetic resonance cholangiography, or MRCP.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of cholangiography
Cholangiography derives from Greek roots: 'cholē' meaning bile, 'angeion' meaning vessel, and '-graphy' from 'graphein', to write or record — together literally 'the recording of bile vessels'. The term arose in early 20th-century medical literature alongside the development of contrast radiography, as physicians sought ways to image the biliary tract. It shares its combining elements with related terms such as cholangitis (bile-duct inflammation), angiography (imaging of blood vessels), and the closely derived cholangiogram.
Related word forms
How cholangiography is actually used
A technical term used almost exclusively in medical contexts — radiology reports, surgical notes, and clinical literature. In modern practice the specific modality is usually named (e.g. MRCP, ERCP, PTC), with 'cholangiography' serving as the general umbrella term.
Easily confused with cholangiography
A cholangiogram is the resulting image or X-ray record itself, whereas cholangiography is the procedure or technique of producing that image.
Cholangitis is inflammation (infection) of the bile ducts, while cholangiography is an imaging procedure used to examine them.