Research Article
EU-TIRADS-Based Omission of Fine-Needle Aspiration and Cytology from Thyroid Nodules Overlooks a Substantial Number of Follicular Thyroid Cancers
Table 5
EU-TIRADS score-based indication of FNA related to tumor stage in the 10–20 mm size category.
| Cancer type | n | TNM status | Pathological staging | T1 | T2–T4 | Stage I | Stage II | Stage III | Stage IV |
| Papillary (n = 100) | FNA indicated | 85 | 68 | 17 | 76 | 7 | 1 | 1 | FNA not indicated | 15 | 12 | 3 | 12 | 2 | 0 | 1 | Follicular (n = 9) | FNA indicated | 5 | 5 | 0 | 5 | 0 | 0 | 0 | FNA not indicated | 4 | 3 | 1 | 3 | 0 | 0 | 1 | Medullary (n = 9) | FNA indicated | 8 | 5 | 34 | 0 | 4 | 0 | | FNA not indicated | 1 | 1 | 0 | 1 | 0 | 0 | 0 | All (n = 118) | FNA indicated | 98 | 75 | 23 | 73 | 8 | 1 | 16 | FNA not indicated | 20 | 16 | 4 | 16 | 2 | 0 | 2 |
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EU-TIRADS, Thyroid Imaging Reporting and Data System of the European Thyroid Association [ 8]. |