Table 4 Locations of the 219 potentially malignant oral epithelial lesions with malignant transformation
Histological diagnosis | Upper lip | Lower lip | Buccal | Mouth floor | Hard palate | Soft palate | Gingiva | Tonguea | Total |
|---|---|---|---|---|---|---|---|---|---|
Epithelial dysplasia with oral submucous fibrosis | 0 (0.00) | 0 (0.00) | 6 (66.67) | 0 (0.00) | 0 (0.00) | 0 (0.00) | 0 (0.00) | 3 (0.33) | 9 (100.00) |
Epithelial dysplasia with hyperkeratosis or epithelial hyperplasia | 2 (3.17) | 8 (12.70) | 27 (42.86) | 4 (6.35) | 1 (1.59) | 4 (6.34) | 5 (7.94) | 12 (19.05) | 63 (100.00) |
Oral submucous fibrosis | 0 (0.00) | 0 (0.00) | 25 (167.57) | 0 (0.00) | 0(0.00) | 2 (5.41) | 5 (13.51) | 5 (13.51) | 37 (100.00) |
Lichen planus | 0 (0.00) | 0 (0.00) | 0 (0.00) | 0 (0.00) | 0 (0.00) | 0 (0.00) | 0 (0.00) | 2 (100.00) | 2 (100.00) |
Verrucous hyperplasia | 0 (0.00) | 5 (8.47) | 32 (54.24) | 0 (0.00) | 1 (1.69) | 4 (6.78) | 9 (15.25) | 8 (13.56) | 59 (100.00) |
Hyperkeratosis or epithelial hyperplasia | 0 (0.00) | 2 (4.08) | 27 (55.10) | 0 (0.00) | 0 (0.00) | 1 (2.04) | 10 (20.41) | 9 (18.37) | 49 (100.00) |
Total | 2 (0.91) | 15 (6.85) | 117 (53.42) | 4 (1.83) | 2 (0.91) | 11 (5.02) | 29 (13.24) | 39 (17.81) | 219 (100.00) |