Table 3 Cytological versus histological diagnosis
| Â | Negative | Â | Doubtful | Â | Positive | Â | Inadequate material | Total |
|---|---|---|---|---|---|---|---|---|
| Â | Number | Percent | Number | Percent | Number | Percent | Number | Â |
Squamous cell carcinoma | 36 | 8.3 | 35 | 23.6 | 47 | 70.1 | 1 | 119 |
High-grade dysplasia | 23 | 5.3 | 19 | 12.8 | 9 | 13.4 | 0 | 51 |
Low-grade dysplasia | 35 | 8.0 | 19 | 12.8 | 4 | 6.0 | 0 | 58 |
Epithelial hyperplasia | 80 | 18.3 | 15 | 10.1 | 1 | 1.5 | 0 | 96 |
Lichen planus | 63 | 14.4 | 14 | 9.5 | 0 | 0.0 | 0 | 77 |
Inflammation | 55 | 12.6 | 18 | 12.2 | 3 | 4.5 | 0 | 76 |
Benign tumor | 42 | 9.6 | 10 | 6.8 | 0 | 0.0 | 0 | 52 |
Other malignancy | 0 | 0.0 | 2 | 1.4 | 0 | 0.0 | 0 | 2 |
Others1 | 102 | 23.4 | 16 | 10.8 | 3 | 4.5 | 1 | 122 |
Total | 436 | Â | 148 | Â | 67 | Â | 2 | 653 |