Brief Article
Copyright ©2011 Baishideng Publishing Group Co.
World J Gastrointest Endosc. Nov 16, 2011; 3(11): 220-224
Published online Nov 16, 2011. doi: 10.4253/wjge.v3.i11.220
Figure 1
Figure 1 Duodenoscopy showing a periampullary mass with stent in situ and needle knife coming out of endoscope (A) and endoscopic image after needle knife papillotomy showing exposed tumor tissue (B).