Expression, Mutation, and Amplification Status of EGFR and Its Correlation with Five miRNAs in Salivary Gland Tumours

Table 3

Number of samples with positive and negative EGFR expression pattern and copy number variation of EGFR among histological subtypes of salivary tumours.

Histological subtype	EGFR, 3+ (%)	CNV EGFR
		Amplification, (%)
		Polysomy, (%)
		Disomy, (%)
MECs	8 (50)	4 (25.0)
		11 (68.8)
		1 (6.3)
ACCCs	2 (11.1)	3 (18.8)
		12 (75)
		1 (6.3)
Ca ex PA	6 (66.7)	1 (11.1)
		8 (88.9)
		0
ACCs	4 (50)	2 (25.0)
		5 (62.5)
		1 (12.5)
Poorly differentiated carcinoma	3 (42.9)	2 (28.6)
		5 (71.4)
		0
EMCs	4 (80.0)	0
		5 (100)
		0
ACNOS	0	1 (25.0)
		3 (75.0)
		0
SDCs	0	0
		1 (50)
		1 (50)
SCC	0	0
		1 (100)
		0
Carcinosarcoma	0	0
		1 (100)
		0
Adenosquamous carcinoma	0	0
		1 (100)
		0
Total	27/70 (38.6)	13/70 (18.6)
		53/70 (75.7)
		4/70 (5.7)