Table 1.
Present | Absent | |
Histologic | ||
Metaplasia of surface epithelium | [13] | [14-17] |
Papillomatosis | ||
Stratification | ||
Epithelial inclusion cysts | ||
Invaginations | ||
Stromal hyperplasia | [13] | [14,15] |
Cytologic | ||
Nuclei of the surface epithelium | [14,16,18] | |
Larger nuclei | ||
Irregular contours | ||
Heterogenous dense chromatin | ||
Molecular | ||
Increased expression of p53, c-erbB and Ki-67 | [15,19] |