Table 2 IHC results on RS blocks in the Nonamp group

From: Clinical importance of HER2 immunohistologic heterogeneous expression in core-needle biopsies vs resection specimens for equivocal (immunohistochemical score 2+) cases

Case number

FISH result

IHC result on RS blocks

FISH result on RS block

  

Block-1

Block-2

 

 1

Nonamp

0

0

1.05

 2a

Nonamp

2+

1+

1.00

 3

Nonamp

2+

2+

1.45

 4

Nonamp

2+

2+

1.04

 5

Nonamp

2+

2+

1.04

 6

Nonamp

2+

2+

0.99

 7

Nonamp

1+

1+

0.80

 8

Nonamp

0+

1+

1.13

 9

Nonmp

1+

1+

1.11

10

Nonamp

0

0

1.04

11

Nonamp

1+

1+

1.00

12

Nonamp

2+

2+

1.20

13a

Nonamp

2+

1+

1.10

14

Nonamp

2+

2+

2.04

15

Nonamp

2+

2+

1.15

16

Nonamp

0

0

1.39

17

Nonamp

2+

1+

1.37

18a

Nonamp

1+

2+

1.33

19

Nonamp

0+

0+

FAILED

  1. a Cases with heterogeneous staining.