Endoscopic Retrograde Cholangiopancreatography (ERCP)

Endoscopic Retrograde Cholangiopancreatography (ERCP)

This radiograph shows the endoscope in place with the end in the duodenum. The radiopaque contrast agent fills the pancreatic duct (horizontal white duct) and the bile ducts (vertical duct with extension into the gallbladder).

MIRIAM MASLO/SCIENCE PHOTO LIBRARY