Clinical Study
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 | -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 |
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