Clinicopathological and Immunohistochemical Characterisation of Gastric Schwannomas in 29 Cases

Table 2

Summarized immunohistochemical results of gastric schwannomas.

Antigen (antibody)	No. cases examined	No. positive cases (%)	No. cases with ranges of positive tumor cells
			<20%	20% to 50%	>50%
S-100 protein	29	29	2	2	25
HMB45	29	0	0	0	0
CD56	29	29	2	8	19
CD34	29	4	3	1	0
𝛼-Smooth muscle actin	29	0	0	0	0
c-Kit	29	0	0	0	0
Ki-67	29	21	5	13	3
Vimentin	27	27	6	9	12