Fig. 5
From: Invasive inflammatory fibroid polyp of the stomach: a case report and literature review
Immunohistochemical findings. Immunohistochemical findings revealing spindle cells stained positive for CD34 and smooth muscle actin but negative for CD117, DOG-1 and S100 protein. The Ki-67 labeling index was less than 1%. Scattered mast cells stained positive for CD117, but the spindle cells stained negative. Adipose tissue engulfed by the lesion stained positive for S100 protein, but the spindle cells stained negative
