Table 5 Comparison of Her2/neu immunohistochemistry and chromogenic in situ hybridization results with tumor histologic grades
Histologic grade | Immunohistochemistry Her2/neu (%) | ||
|---|---|---|---|
| Â | Negative (0 and 1+) | 2+ | 3+ |
1 | 4 (5.00) | 0 (0.00) | 0 (0.00) |
2 | 61 (76.25) | 24 (60) | 27 (67.50) |
3 | 15 (18.75) | 16 (40) | 13 (32.50) |
Histologic grade | Chromogenic in situ hybridization Her2/neu (%) | ||
| Â | No amplification | With amplification | |
| Â | Â | Low | High |
1 | 4 (3.92) | 0 (0.00) | 0 (0.00) |
2 | 75 (73.53) | 12 (70.59) | 25 (60.98) |
3 | 23 (22.55) | 5 (29.41) | 16 (39.02) |