Pathological classification Number of patients (%)
Benign vocal cord leukoplakia 152(76.0%)
Inflammation 46(23.0%)
Simple hyperplasia /hyperkeratosis/dyskeratosis 52(26.0%)
Mild dysplasia 34(17.0%)
Moderate dysplasia 20(10.0%)
Malignant vocal cord leukoplakia 48(24.0%)
Severe dysplasia/Carcinoma in situ 33(16.5%)
Squamous cell carcinoma 15(7.5%)
Total 200(100%)