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Techniques for difficult cannulation
| Two-devices in one-channel method |
| Reversed guidewire method |
| Double endoscope method |
| Balloon dilation of the narrow diverticular neck |
| Endoclip-assisted cannulation |
| Cap-assisted cannulation |
| Pancreatic duct stent placement followed by pre-cut biliary sphincterotomy |
| Percutaneous ultrasound-guided rendezvous technique |
| EUS-guided rendezvous technique |
EUS: Endoscopic ultrasound.
