Table 2. Ki-67 score and SD in different tumor groups.
| Malignant Mammary Tumors | n | median (%) | min (%) | max (%) |
|---|---|---|---|---|
| In situ carcinoma | 1 | 26.6 | ||
| Complex carcinoma | 17 | 23.7 | 4.1 | 42.9 |
| Simple carcinoma | 2 | 47.1 | 13.5 | 80.7 |
| Tubulopapillary carcinoma | 10 | 26.7 | 11.1 | 48.9 |
| Solid carcinoma | 8 | 33.4 | 21.8 | 57.1 |
| Anaplastic carcinoma | 2 | 25.4 | 23.7 | 27.1 |
| Spindle cell carcinoma | 5 | 27.7 | 17.6 | 30.9 |
| Osteosarcoma | 1 | 22.6 | ||
| Carcinosarcoma | 4 | 29.3 | 22.3 | 46 |
| Total | 50 | 27 | 4 | 81 |
| Non-malignant Mammary Tissue | ||||
| Simple adenoma | 2 | 14.9 | 14.3 | 15.4 |
| Complex adenoma | 11 | 15.4 | 7.4 | 49.4 |
| Fibroadenoma | 3 | 29.4 | 22.6 | 34 |
| Benign mixed tumor | 5 | 14 | 6.9 | 27.1 |
| Duct ectasia | 2 | 15.2 | 15 | 15.4 |
| Hyperplasia | 6 | 15.6 | 4.0 | 33 |
| Total | 29 | 15 | 4 | 49 |