Table 1.
Baseline characteristics of 87 patients
| Characteristics | |
|---|---|
| Age, years (mean ± SD) | 42.4 ± 15.4 |
| Sex | |
| Female | 67 (77.0) |
| Male | 20 (23.0) |
| Size | |
| Mean, cm (mean ± SD) | 3.7 ± 2.1 |
| ≤ 2 cm | 15 (17.2) |
| > 2 cm and ≤ 4 cm | 43 (49.4) |
| > 4 cm | 29 (33.3) |
| Surgical extent | |
| Total or subtotal thyroidectomy | 60 (69.0) |
| Lobectomy | 27 (31.0) |
| Gross ETE | |
| Absent | 84 (96.6) |
| Present | 3 (3.4) |
| Initial distant metastasis | |
| Absent | 79 (90.8) |
| Present | 8 (9.2) |
| TERT promoter mutations | |
| Wild-type | 71 (81.6) |
| Mutation | 16 (18.4) |
| WHO classification | |
| Minimally invasive FTC | 47 (54.0) |
| Encapsulated angioinvasive FTC | 25 (28.7) |
| Widely invasive FTC | 15 (17.2) |
| AJCC/TNM 8th stage | |
| I | 74 (85.1) |
| II | 10 (11.5) |
| III/IV | 3 (3.4) |
Data are expressed as n (%) unless otherwise specified
SD standard deviation, ETE extrathyroidal extension, TERT telomerase reverse transcriptase, WHO World Health Organization, FTC follicular thyroid carcinoma, AJCC/TNM American Joint Committee/Tumor-Node-Metastasis