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

Pradhan et al. Diagnostic Pathology 2009 4:21   doi:10.1186/1746-1596-4-21