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Fig. 1 | BMC Gastroenterology

Fig. 1

From: Wire-guided cannulation over a pancreatic stent versus double guidewire technique in patients with difficult biliary cannulation

Fig. 1

Wire-guided cannulation over a pancreatic stent for biliary cannulation. a After a 5 F pancreatic duct stent was placed, cannulation of the bile duct was attempted using a sphincterotome, which was directed to the biliary orifice at its usual 10–11 o’clock position in relation to the pancreatic duct stent. b, c Successful biliary cannulation with a guidewire was achieved after the previous insertion of the 5 F pancreatic duct stent

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