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(endoscopic retrograde cholangiopancreatography) the technique in which a catheter is passed through a duodenoscope into the ampulla of Vater of the common bile duct and injected with a radiopaque medium to outline the pancreatic duct and bile ducts radiologically. Magnetic resonance cholangiopancreatography (MRCP; see cholangiography) is often used first in the diagnosis of obstructive jaundice and pancreatic disease, followed by ERCP for confirmation and therapeutic intervention by removal of stones from the bile duct, biopsy from suspected lesions, or insertion of a stent. See also papillotomy.

Subjects: Medicine and Health.

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