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Pathological grade of vocal fold leukoplakia in 375 cases.
| Pathological grade | Number of patients (%) |
|---|---|
| Low risk group | 111 (29.6%) |
| Non-dysplasia | 39 (10.4%) |
| Mild-dysplasia | 72 (19.2%) |
| High risk group | 264 (70.4%) |
| Moderate-dysplasia | 51 (13.6%) |
| Severe-dysplasia | 145 (38.7%) |
| Squamous cell carcinoma | 68 (18.1%) |
