Medical Encyclopedia

Gallbladder endoscopy

An endoscope, a flexible fiberoptic scope with a light, is inserted through the mouth into the duodenum.A catheter is advanced through the endoscope and inserted into the pancreatic or biliary ducts. A contrast agent is injected into these ducts and X-rays are taken to evaluate their caliber, length and course.Endoscopic retrograde cholangiopancreatography (ERCP) is performed to identify any narrowing, stones, or tumors in the pancreatic or biliary ducts.

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endoscopy for gall bladder