Table 2.
Pathological features of our study group (n = 226).
| Parameters | Number of Patients |
|---|---|
| Cancer histotypes: n (%) | |
| Papillary | 208 (92) |
| Follicular | 8 (3.5) |
| Medullary | 7 (3.1) |
| Anaplastic/Undifferentiated | 3 (1.4) |
| Variants of PTC n (%) | |
| Classical | 48/176 (27.3) |
| Follicular | 63/176 (35.8) |
| Tall cell | 35/176 (19.9) |
| Solid | 25/176 (14.2) |
| Diffuse Sclerosing | 5/176 (2.8) |
| Type of surgery: n (%) | |
| Total thyroidectomy | 218 (96.4) |
| Hemithyroidectomy | 8 (35) |
| Location of surgery: n (%) | |
| Grosseto | 30 (13.3) |
| Pisa | 172 (76.1) |
| Siena | 13 (5.7) |
| Others | 11 (4.9) |
| Diameter of the tumor: (cm) | |
| Mean ± SD | 1.7 ± 1.4 |
| Range | 0.1–12 |
| Median | 1.4 |
| Tumor extension: n (%) ** (TNM 8th Edition). | |
| T1a | 65 (28.7) |
| T1b | 75 (33.2) |
| T2 | 33 (14.6) |
| T3 | 51 (22.6) |
| T4 | 2 (0.9) |
| Lymph-node metastases: n (%) | |
| Yes | 33 (14.6) |
| Distant metastases: n (%) | |
| Yes | 3 (1.3) |
| Bilaterality: n (%) | |
| Yes | 103 (45.6) |
| Multicentricity: n (%) | |
| Yes | 105 (46.5) |
** refer to TNM 8th edition.