Table 1:
Patient clinicopathologic characteristics. Values are displayed as median (interquartile range) or frequency (percentage).
| CHARACTERISTICS | N=199 |
|---|---|
| Age at Nephrectomy | 65 (55, 71) |
| Gender | |
| Male | 162 (81%) |
| Female | 37 (19%) |
| Tumor Size (cm) | 3.5 (2.5, 5.1) |
| Pathologic Stage (pT 2010) | |
| 1 | 163 (82%) |
| 2 | 15 (7.5%) |
| 3 | 21 (10.5%) |
| Type 2 Morphology | |
| Present (n) | 95 (48%) |
| % when present | 25 (10, 70) |
| Nuclear Pseudostratification | |
| Present (n) | 129 (65%) |
| % when present | 20 (10, 60) |
| Abundant Eosinophilic and/or Amphophilic Cytoplasm | |
| Present (n) | 139 (70%) |
| % when present | 35 (10, 65) |
| Mitosis | |
| Mitotic rate ≥ 1/10 HPF | 48 (24%) |
| Mitotic rate when ≥ 1/10 HPF | 2 (1, 3) |
| Necrosis | 4 (0, 15) |
| Present (n) | 124 (62%) |
| % when present | 10 (5, 31) |
| Sarcomatoid Differentiation | |
| Presence (n) | 4 (2%) |
| % when present | 7.5 (5, 10) |
| Sheet-like Architecture | |
| Presence (n) | 11 (5.5%) |
| % when present | 10 (5, 12.5) |
| LVI | 6 (3%) |
| Highest WHO/ISUP Grade | |
| 1 | 34 (17%) |
| 2 | 81 (41%) |
| 3 | 80 (40%) |
| 4 | 4 (2%) |
| Predominant WHO/ISUP Grade | |
| 1 | 120 (60%) |
| 2 | 61 (31%) |
| 3 | 18 (9%) |
| Highest Fuhrman Nuclear Grade | |
| 1 | 45 (23%) |
| 2 | 107 (54%) |
| 3 | 43 (21%) |
| 4 | 4 (2%) |
| Predominant Fuhrman Nuclear Grade | |
| 1 | 119 (60%) |
| 2 | 75 (37.5%) |
| 3 | 5 (2.5%) |
| Capsular Invasion | 82 (41%) |
| Circumscription (%) | 100 (80, 100) |
| Tumor Siderophages (%) | 1 (0, 5) |
| Fibrosis (%) | 5 (2, 10) |
| Macrophage (%) | 20 (5, 40) |
| Papillary Adenoma(s) in Adjacent Renal Parenchyma | 77 (39%) |