Proper cannulation angle
The proper cannulation angle for the pancreatic duct is nearly at right angles to the duodenal wall, while bile cannulation requires a more cephalad orientation.
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Endoscopic view of a duodenal ulcer.
Flexible endoscopy image showing a big diverticulum in 2nd part of duodenum.
The proper cannulation angle for the pancreatic duct is nearly at right angles to the duodenal wall, while bile cannulation requires a more cephalad orientation.