Table 1.
Comparison between the Thin Prep diagnoses and cell block diagnoses of Thyroid FNA's
| Cyst | CN or CN/C | Chronic Thyroiditis | Atypical | Neoplastic | Non Dx | Total | |
| Thin Prep | 16 (13%) | 52 (41%) | 14 (11%) | 3 | 1 PTC | 40 (32%) | 126 |
| Smear | 10 | 51 | 16 | 3 | 1 PTC | 45 | 126 |
| Cyst | CN/C | Chronic Thyroiditis | Atypical | Neoplastic | Non Dx | Total | |
| CB | 17 (13%) | 10 (8%) | 4 (3%) | 0 | 0 | 97 (76%) | 128 |
| Smear | 3 | 63 | 18 | 3 | 2 FN | 39 | 128 |
FNA: fine needle aspiration, CN: colloid nodule, CN/C: colloid nodule with cystic change, NON-DX: non-diagnostic, CB: cell block, PTC: papillary thyroid carcinoma, FN: follicular neoplasm.