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World J Gastroenterol. Dec 7, 2013; 19(45): 8258-8268
Published online Dec 7, 2013. doi: 10.3748/wjg.v19.i45.8258
Figure 2
Figure 2 Endoscopic papillary large balloon dilation with minor sphincterotomy. A: A minor incision of up to one-third of the papilla was performed over a guidewire; B: The 15 mm sized large balloon is gradually inflated with diluted contrast material; inflation is maintained for 30 s; C: Fluoroscopy during balloon dilation shows complete disappearance of the sphincter waist; D: A large biliary orifice can be seen after balloon dilation.