Table 2.
Summary of immunohistochemical findings in patients with TFE3-RCC.
| Negative | Positive | 1+ | 2+ | |
|---|---|---|---|---|
| TFE3 | 0%(0/9) | 100%(9/9) | 1 | 8 |
| GPNMB | 0%(0/9) | 100%(9/9) | 2 | 7 |
| Cathepsin K | 33%(3/9) | 67%(6/9) | 4 | 2 |
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