Table 1.
Detailed Description of Discordant Cases (N = 28)
| S. No. | Diagnosis | Hale's stain | Vimentin | CK 7 | Vinculin | EM | Final Diagnosis |
| 1 | CCRCC vs papillary | - | - | - | Papillary RCC | ||
| 2 | CCRCC vs Chromophobe | - | + | - | - | Conventional RCC | |
| 3 | Papillary RCC vs CCRCC | - | - | - | Conventional RCC | ||
| 4 | Chromophobe RCC vs CCRCC | + | + | 3+, m | - | PNV | Chromophobe RCC |
| 5 | Papillary RCC vs CCRCC | 3+ | + | - | Papillary RCC | ||
| 6 | Collecting duct RCC vs Papillary | 2+ | 3+ | - | Papillary RCC | ||
| 7 | CCRCC vs papillary | + | 2+ | - | Papillary RCC | ||
| 8 | ACC vs CCRCC | 3+ | - | - | Conventional RCC | ||
| 9 | Chromophobe RCC vs CRCC | + | - | 2+, m | - | Chromophobe RCC | |
| 10 | CCRCC vs Papillary | + | - | - | Conventional RCC | ||
| 11 | Collecting duct RCC vs CCRCC | 2+ | 2+ | 2+ | Collecting duct RCC | ||
| 12 | CCRCC vs oncocytoma | - | - | - | Conventional RCC | ||
| 13 | Chromophobe vs CCRCC | - | + | - | - | Conventional RCC | |
| 14 | Chromophobe vs CCRCC | + | - | 2+, m | - | PNV | Chromophobe RCC |
| 15 | Chromophobe vs CCRCC | - | - | - | - | Conventional RCC | |
| 16 | CCRCC vs papillary | - | + | - | Papillary RCC | ||
| 17 | CCRCC vs Sarcomatoid | - | - | - | Sarcomatoid RCC | ||
| 18 | Papillary RCC vs CCRCC | + | 2+ | - | Papillary RCC | ||
| 19 | Chromophobe vs CCRCC | + | - | 2+, m | - | Chromophobe RCC | |
| 20 | Chromophobe RCC vs CCRCC | - | - | - | - | Glycogen | Conventional RCC |
| 21 | Chromophobe vs CCRCC | - | 2+ | - | - | Conventional RCC | |
| 22 | CCRCC vs chromophobe | - | 3+ | 3+ | - | Papillary RCC | |
| 23 | Chromophobe vs oncocytoma | - | 3+ | - | PNV | Chromophobe RCC | |
| 24 | CC RCC vs papillary | 2+ | 3+ | - | No PNV | Papillary RCC | |
| 25 | Chromophobe vs CCRCC | + | 2+ | + | - | Chromophobe RCC | |
| 26 | CCRCC vs Chromophobe | + | - | 3+, m | - | Chromophobe RCC | |
| 27 | CCRCC vs papillary | - | - | - | Conventional RCC | ||
| 28 | Oncocytoma vs ACC vs CCRCC | - | - | - | Conventional RCC |
CCRCC – Conventinal/clear cell RCC, ACC – adrenocortical carcinoma, m – membranous accentuation, PNV-Perinuclear vesicles