Table 2. Biomarkers of MECs arising from Warthin’s tumor of the parotid gland.

ID	CK7	CK20	CEA	CK5/6	P63	CK34β12	P53	Ki-67 Index
1	oncocytic cells of WT, Mucous and epidermoid cells in MEC (+)	(−)	mucous cells in MEC (+)	oncocytic and basal cells of WT, epidermoid cells of MEC (+), mucous cells (−)	basal cells of WT, epidermoid cells of MEC (+)	oncocytic and basal cells of WT, epidermoid cells of MEC (+), mucous cells (−)	(−)	1% in WT and MEC
2	oncocytic cells of WT, Mucous and epidermoid cells in MEC (+)	(−)	mucous cells in MEC (+)	oncocytic and basal cells of WT, epidermoid cells of MEC (+), mucous cells (−)	basal cells of WT, epidermoid cells of MEC (+)	oncocytic and basal cells of WT, epidermoid cells of MEC (+), mucous cells (−)	(−)	1% in WT and MEC
3	oncocytic cells of WT, Mucous and epidermoid cells in MEC, focal (+)	(−)	(−)	oncocytic and basal cells of WT, epidermoid cells of MEC (+), mucous cells (−)	basal cells of WT, epidermoid cells of MEC (+)	oncocytic and basal cells of WT, epidermoid cells of MEC (+), mucous cells (−)	(−)	1% in WT and MEC
4	oncocytic cells of WT, Mucous and epidermoid cells in MEC (+)	(−)	(−)	oncocytic and basal cells of WT, epidermoid cells of MEC (+), mucous cells (−)	basal cells of WT, epidermoid cells of MEC (+)	oncocytic and basal cells of WT, epidermoid cells of MEC (+), mucous cells (−)	(−)	1% in WT, 2% in MEC
5	oncocytic cells of WT, Mucous and epidermoid cells in MEC (+)	(−)	(−)	oncocytic and basal cells of WT, epidermoid cells of MEC (+), mucous cells (−)	basal cells of WT, epidermoid cells of MEC (+)	oncocytic and basal cells of WT, epidermoid cells of MEC (+), mucous cells (−)	(−)	1% in WT, 5% in MEC