Table 3.
Percentage distribution of positive cells showing expression of studied proteins in endometrial cancerous tissues in comparison with normal endometria according to immunoreactivity of ERα, ERβ, aromatase, and COX2
| Group | IHC staining | Total | ||||||
|---|---|---|---|---|---|---|---|---|
| 0 | 1+ | 2+ | 3+ | 4+ | ||||
| ERα | EC | Number | 9 | 18 | 16 | 6 | 49 | |
| % Within EC group | 18.4 | 36.7 | 32.7 | 12.2 | 100.0 | |||
| Endometrial control tissue | Number | 0 | 3 | 5 | 2 | 10 | ||
| % Within control group | 0.0 | 30.0 | 50.0 | 20.0 | 100.0 | |||
| ERβ | EC | Number | 21 | 17 | 11 | 2 | 51 | |
| % Within group | 41.2 | 33.3 | 21.6 | 3.9 | 100.0 | |||
| Endometrial control tissue | Number | 2 | 3 | 2 | 3 | 10 | ||
| % Within group | 20.0 | 30.0 | 20.0 | 30.0 | 100.0 | |||
| Aromatase | EC | Number | 5 | 14 | 11 | 13 | 7 | 50 |
| % Within group | 10.0 | 28.0 | 22.0 | 26.0 | 14.0 | 100.0 | ||
| Endometrial control tissue | Number | 5 | 5 | 0 | 0 | 0 | 10 | |
| % Within group | 50.0 | 50.0 | 0.0 | 0.0 | 0.0 | 100.0 | ||
| COX2 | EC | Number | 6 | 17 | 14 | 14 | 51 | |
| % Within group | 11.8 | 33.3 | 27.5 | 27.5 | 100.0 | |||
| Endometrial control tissue | Number | 4 | 4 | 2 | 0 | 10 | ||
| % Within group | 40.0 | 40.0 | 20.0 | 0.0 | 100.0 | |||