Table 2.
Frequency of expression by immunohistochemistry of tumor-specific and less tumor-specific membrane markers in breast cancers
| Target |
Positive |
Negative |
Missing |
|||
|---|---|---|---|---|---|---|
| N | % | N | % | N | % | |
| HER2 |
50 |
10.4 |
432 |
89.4 |
1 |
0.2 |
| EGFR |
84 |
17.4 |
395 |
81.8 |
4 |
0.8 |
| MET |
43 |
8.9 |
423 |
87.6 |
17 |
3.5 |
| IGF1-R |
62 |
12.8 |
400 |
82.8 |
21 |
4.3 |
| GLUT1 |
98 |
20.3 |
360 |
74.5 |
25 |
5.2 |
| CAIX |
46 |
9.5 |
414 |
85.3 |
25 |
5.2 |
| TfR |
70 |
14.5 |
402 |
83.2 |
11 |
2.3 |
| CD44v6 |
308 |
63.8 |
160 |
33.1 |
15 |
3.1 |
| CAXII |
42 |
8.7 |
426 |
88.2 |
15 |
3.1 |
| Mammaglobin |
81 |
16.8 |
382 |
79.1 |
20 |
4.1 |
| MUC1 | 438 | 90.7 | 26 | 5.4 | 19 | 3.9 |