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Lecture 10 exam study - Biliary Procedures
Question | Answer |
---|---|
Chole refers to? | Biliary System |
Cysto refers to? | Gallbladder |
Angio refers to? | Bile ducts |
Advantages to ultrasound becoming the modality of choice for examination of the Gallbladder: | 1. no radiation 2. can detect small stones in Gallbladder and Biliary ducts 3. no contrast 4. less patient prep 5. can correlate abdomen finding radiographs |
Route used to image the Biliary system in diagnostic radiology? | Direct injection into the ducts |
Radiographic and fluoroscopic procedure that visualizes the biliary tree by direct injection of contrast into the biliary ducts through an endoscope | ERCP |
An alternative procedure for patients who are unable to have an ERCP (direct injection into the porta hepatis of the liver) - commonly performed in Interventional radiology, CT or MR imaging | Percutaneous Transhepatic Cholangiogram |
A post-operative radiographic and fluoroscopic procedure performed after cholecystectomy (gallbladder removal) - special T-shape tube through remaining cystic duct, common hepatic and common bile to check for any residual stones | T-Tube cholangiogram |
Performed in surgery either before or after the removal of the Gallbladder to investigate for residual gallstones | Operative Cholangiogram |
Inflammation of the Gallbladder | Cholecystitis |
The presence of calculi or stones in the biliary ducts | Choledocholithiasis |
The presence of calculi or stones in the Gallbladder | Cholelithiasis |
Not an illness itself but a medical condition in which too much bilirubin is circulating in the blood | Jaundice |
Very rare cancer, usually an adenocarcinoma | Gallbladder cancer |
Performed as a joint procedure between radiology and gastroenterology to remove a cholelith or small lesion in the biliary duct or to repair a stenosis of the sphincter of oddi or an associated duct | ERCP |
What kV is typically used for Water-soluble Iodinated Contrast procedures? | 80-90 |
What Overhead projection performed on the Biliary tree is most important and why? | RPO, it facilitates drainage of the Biliary Ducts |
What SCOUT image should be performed prior to a T-Tube Cholangiogram if requested by a radiologist? | RPO SCOUT |
The RPO position also best facilitates drainage of the Biliary Tree following what? | Contrast medium injection |