DR BARRY SLAVEN / SCIENCE PHOTO LIBRARY DR BARRY SLAVEN / SCIENCE PHOTO LIBRARY
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ERCP endoscopy procedure. Gastroenterologist doing an endoscopic retrograde cholangiopancreatography (ERCP) procedure. The screens include an image intensifier and monitor, with an image of the endoscope in place. This technique is used to examine the bile ducts, gall bladder, pancreas and liver. An endoscope is inserted into the common bile duct. A contrast dye is injected and an X-ray is taken. The dye shows up any blockages or narrowing of the ducts. Further instruments can be used with the endoscope to remove obstructions, such as gallstones, widen the ducts or take a biopsy.
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