Case Report
Copyright ©2014 Baishideng Publishing Group Inc.
World J Gastroenterol. Jun 7, 2014; 20(21): 6685-6690
Published online Jun 7, 2014. doi: 10.3748/wjg.v20.i21.6685
Figure 3
Figure 3 Pathological examinations. A: Microscopic examination shows that the tumor mainly composes of spindle-shaped cells and no atypical cells are found (HE staining; magnification: 10 × 30); B, C, D: Immunohistochemical staining shows the tumor is positive for S-100 protein (10 × 30) (B) and CD56(10 × 30) (C), whereas negative for CD117 (10 × 30) (D).