Table 1.
Clinicopathological features of renal epithelial tumors used for immunohistochemical (a) and western blot (b) analyses
| (a) | |
| Number of patients | 125 |
| Age (years) | |
| Median (range) | 64 (23–86) |
| Gender (M/F) | 87/38 |
| Histotype | |
| Clear cell | 100 (80%) |
| Papillary | 9 (7.2%) |
| Chromophobe | 3 (2.4%) |
| Oncocytoma | 13 (10.4%) |
| Tumor stage*† | |
| I | 81 (72%) |
| II | 17 (15%) |
| III | 11 (10%) |
| IV | 3 (3.0%) |
| Grading*‡ | |
| 1 | 21 (19%) |
| 2 | 66 (59%) |
| 3 | 23 (20%) |
| 4 | 2 (2%) |
| (b) | |
| Number of patients | 34 |
| Age (years) | |
| Median (range) | 72 (36–81) |
| Histotype | |
| Clear cell | 28 (82.3%) |
| Papillary | 5 (14.7%) |
| Chromophobe | 1 (3.0%) |
| Tumor stage*† | |
| I | 28 (90.3%) |
| II | 3 (9.7%) |
| III | 0 (0%) |
| IV | 0 (0%) |
| Grading*† | |
| 1 | 4 (13%) |
| 2 | 18 (58%) |
| 3 | 7 (23%) |
| 4 | 2 (6%) |
*Oncocytomas were excluded. †According to International Union Against Cancer (UICC) TNM classification of malignant tumours, 6th edn 2002. ‡According to Fuhrman classification.