Table 1 Comparison of immunohistochemical results for c-kit protein expression between small cell arcinomas of the cervix and lung, and gastrointestinal stromal tumors
Tumor | Completely negative | Staining characteristics | |||||
|---|---|---|---|---|---|---|---|
1+/weak | 1+/strong | 2+/weak | 2+/strong | 3+/weak | 3+/strong | ||
Small cell carcinoma | |||||||
Cervix (n=22) | 16 | 1 | 1 | 1 | 2 | 0 | 1 |
Lung (n=14) | 5 | 0 | 0 | 3 | 1 | 0 | 5 |
GIST (n=15) | 0 | 0 | 0 | 0 | 0 | 0 | 15 |