Table 2.
Immunohistochemical nuclear expression of S100A4 in epithelial ovarian neoplasms
| Total number of cases | Nuclear staining | |||
|---|---|---|---|---|
| – | + | + + | ||
| Benign cystadenomas | 24 | 24(100%) | 0(0%) | 0(0%) |
| Serous | 4 | 4 | 0 | 0 |
| Mucinous | 20 | 20 | 0 | 0 |
| Borderline tumors | 20 | 17(85%) | 0(0%) | 3(15%) |
| Serous | 8 | 6 | 0 | 2 |
| Mucinous | 12 | 11 | 0 | 1 |
| Carcinomas | 69 | 34(49%) | 18(26%) | 17(25%) |
| FIGO stage | ||||
| I | 33 | 20 | 8 | 5 |
| II | 10 | 5 | 2 | 3 |
| III | 21 | 6 | 8 | 7 |
| IV | 5 | 3 | 0 | 2 |
| Histological type | ||||
| Serous | 25 | 11 | 6 | 8 |
| Mucinous | 5 | 1 | 3 | 1 |
| Endometrioid | 17 | 9 | 4 | 4 |
| Clear cell | 22 | 13 | 5 | 4 |
| Histological grade | ||||
| G1 | 31 | 17 | 7 | 7 |
| G2 | 27 | 13 | 8 | 6 |
| G3 | 11 | 4 | 3 | 4 |
–, 0–10% positive cells; +, 10–20% positive cells; + +, more than 20% positive cells.