Table 2.

A review of performed immunohistochemical examinations in CCOT and GCOC in the literature.

	Zhu et al. (2012) [19]	Li et al. (2011) [12]	Gong et al. (2009, 2006) [20, 21]	Motosugi et al. (2009) [4]	Roh et al. (2008) [13]	Geng et al. (2008) [22]	Kim et al. 2000 [23]	Folpe et al. (1998) [24]	Piattelli et al. (1998) [25]
CCOT
Ki-67	W	W	W	W					S
P53				W					W
CK5 & CK14		P
CK18		N
TIMP-1						W
MMP-9	W in T W in St W in G		W in T W in St			W
NF-kappaB			S in CT W in NT
BCL2									S
GCOC
Ki-67	S	S	S	S
P53				S				P
CK5 & CK14		P
EMA & NSE								P
CK18		N
TIMP-1						S
MMP-9	W in T S in St W in G		W in T S in St			S
TRAP & VR					N in T P in G
INVOLUCRN  CK, BCLXL							P in T N in G
BCL2							N in T N in G
BAX							N in T P in G

MMP: matrix metalloproteinase

TIMP: tissue inhibitor of metalloproteinase

VR: vitronectin receptor

TRAP: tartrate-resistant acid phosphatase

T: tumor

St: stroma

G: ghost cell

P: positive

N: negative

W: weak

S: strong

CT: cytoplasm of tumor cells

NT: nucleus of tumor cells.