Expressions of ABCG2, CD133, and Podoplanin in Salivary Adenoid Cystic Carcinoma

Table 2

Expressions of ABCG2, CD133, podoplanin, and Ki-67 in normal looking tissues and ACC.

Groups	𝑛	ABCG2 intensity				Positivity (%)	CD133 intensity				Positivity (%)	Podoplanin intensity				Positivity (%)	Ki-67 intensity				Positivity (%)
		−	+	++	+++		−	+	++	+++		−	+	++	+++		−	+	++	+++
Normal	10	4	6	0	0	60	0	0	5	5	100	9	1	0	0	10	10	0	0	0	0
ACC	25	2	1	7	15	92	0	1	12	12	100	19	4	1	1	24	10	4	3	8	60
𝑃		0.000*				0.043*	0.835				1.000	0.332				0.644	0.001*				0.001*

Normal: normal looking tissues; Intensity: − negative, + weak staining, ++ moderate staining, and +++ strong staining.
*denotes significant difference when compared with the normal looking tissue (𝑃<0.05).