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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
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Diagnostic Pathology

ISSN: 1746-1596

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