Review
Copyright ©The Author(s) 2019.
World J Gastrointest Endosc. Jan 16, 2019; 11(1): 5-21
Published online Jan 16, 2019. doi: 10.4253/wjge.v11.i1.5
Figure 7
Figure 7 Endoscopic view during endoscopic retrograde cholangiopancreatography in a patient with suspected impaction of a gallstone in the ampulla. The major papilla appeared protuberant (A) and felt tense when palpated with a needle knife. Deep biliary cannulation was achieved via suprapapillary fistulotomy (B).