Table 2: Summarized immunohistochemical results of gastric schwannomas.

Antigen (antibody)No. cases examinedNo. positive cases (%)No. cases with ranges of positive tumor cells
<20%20% to 50%>50%

S-100 protein29292225
HMB45290000
CD5629292819
CD34294310
-Smooth muscle actin290000
c-Kit290000
Ki-6729215133
Vimentin27276912