Guidelines For Clinical Practice
Copyright ©2012 Baishideng Publishing Group Co.
World J Gastrointest Endosc. Jun 16, 2012; 4(6): 241-246
Published online Jun 16, 2012. doi: 10.4253/wjge.v4.i6.241
Figure 4
Figure 4 Needle knife sphincterotomy technique. A superficial mucosal cut is performed showing the duodenal portion of the common bile duct as a reddish rounded protrusion (asterisk) (A). A deeper cut is made on this nodule going into the bile duct (B).