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

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

Mamatha Chivukula, Rohit Bhargava, Adam Brufsky, Urvashi Surti and David J Dabbs

Case number	FISH result	IHC result on RS blocks		FISH result on RS block
		Block-1	Block-2
1	Nonamp	0	0	1.05
2^a	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
13^a	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
18^a	Nonamp	1+	2+	1.33
19	Nonamp	0+	0+	FAILED

^a Cases with heterogeneous staining.