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Table 1 Detailed Description of Discordant Cases (N = 28)

From: Sub-typing of renal cell tumours; contribution of ancillary techniques

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
  1. CCRCC – Conventinal/clear cell RCC, ACC – adrenocortical carcinoma, m – membranous accentuation, PNV-Perinuclear vesicles