Case Report
Copyright ©The Author(s) 2020.
World J Clin Cases. Nov 26, 2020; 8(22): 5690-5700
Published online Nov 26, 2020. doi: 10.12998/wjcc.v8.i22.5690
Figure 5
Figure 5 Endoscopic submucosal excision performed. A: Histopathological examination of the tumor in case 1 showed spindle-shaped cells arranged in bundles; B: Immunochemical analysis revealed no staining with CD117; C: Focal positivity with CD34; D: Positive staining with S100; E: DOG-1; F: The mitotic activity was 3 mitosis/50 high-power field on Ki-67 staining.