| Preoperative FNAC Bethesda Categories | Subtypes | Number of patients N = 135 | % |
| Category 1 Inadequate for diagnosis | Inadequate for diagnosis, unsatisfactory. | 6 | 4% |
| Category 2 Benign cytology | Colloid Nodule benign cytology | 28 | 21% |
| Adenomatous nodule | 13 | 10% | |
| Hyperplastic benign nodule | 15 | 12% | |
| Colloid Cystic nodule | 7 | 5% | |
| Chronic thyroiditis | 3 | 2% | |
| Category 3 AUS/FLUS | Atypical cells | 10 | 7% |
| Category 4 FN/SFN | Follicular cell neoplasia | 36 | 27% |
| Hurthle cell neoplasia | 3 | 2% | |
| Category 5 Suspicious for Malignancy | Suspicious | 11 | 8% |
| Category 6 Malignant | Malignant | 3 | 2% |