Case Report
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastrointest Endosc. Dec 16, 2013; 5(12): 605-609
Published online Dec 16, 2013. doi: 10.4253/wjge.v5.i12.605
Figure 4
Figure 4 Histological examination of the resected specimen. A: Hematoxylin and eosin staining of the lesion; B: Immunohistochemistry revealed positivity for chromogranin A; C: Only a few positive stained cells were found for Ki-67 and a proliferation index of 1% was evident by immunohistochemistry; D: Immunohistochemistry showed positivity for synaptophysin.