3. Distribution of cytologic-histologic correlation of nodules within excised thyroid glands and ROM.
| DC | FNA (n) | Excision
[n (%)] |
ROM (NIFTP=Ca) (%) | ROM (NIFTP≠Ca) (%) | Non-neoplastic lesion (n) | Neoplastic lesion (n) | |||||||
| Benign neoplasm | NIFTP | Malignant neoplasm | |||||||||||
| Total | PTC | MTC | FTC | ATC | ITTA | ||||||||
| ROM, risk of malignancy; DC, diagnostic category; FNA, fine needle aspiration; NIFTP, non-invasive follicular thyroid neoplasm with papillary-like nuclear features; Ca, carcinoma; PTC, papillary thyroid carcinoma; MTC, medullary thyroid carcinoma; FTC, follicular thyroid carcinoma; ATC, anaplastic thyroid carcinoma; ITTA, intrathyroidal thymic adenocarcinoma. | |||||||||||||
| I | 411 | 42 (10.2) | 59.5 | 57.1 | 17 | 0 | 1 | 24 | 24 | − | − | − | − |
| II | 476 | 36 (7.6) | 41.7 | 38.9 | 20 | 1 | 1 | 14 | 14 | − | − | 0 | − |
| III | 439 | 90 (20.5) | 50.0 | 50.0 | 39 | 6 | − | 45 | 43 | 2 | − | − | − |
| IV | 64 | 29 (45.3) | 34.5 | 31.0 | 12 | 7 | 1 | 9 | 8 | − | 1 | − | − |
| V | 319 | 200 (62.7) | 78.5 | 78.5 | 41 | 2 | − | 157 | 149 | 7 | 1 | − | − |
| VI | 1,072 | 725 (67.6) | 99.4 | 99.3 | 3 | 1 | 1 | 720 | 710 | 7 | − | 2 | 1 |
| Total | 2,781 | 1,122 (40.3) | 86.7 | 86.4 | 132 | 17 | 4 | 969 | 948 | 16 | 2 | 2 | 1 |