Diagnostic Value of Cytokeratin 17 during Oral Carcinogenesis: An Immunohistochemical Study

Table 3

Score of CK17 expression among four tissue types.

Tissue type	Number of cases	Score
		0	1	2	3
Normal oral mucosa,	12	11	1	0	0
OL without dysplasia	33	15	9	8	1
OL with dysplasia	58	15	17	15	11
OSCC	83	8	32	25	18

and , statistically significant difference compared with OSCC. , statistically significant difference compared with OL with dysplasia. OL = oral leukoplakia; OSCC = oral squamous cell carcinoma.