Table 1. Characteristics of the patients studied.
| Sex | |
| Female | 42 (79.2%) |
| Male | 11 (20.7%) |
| Age (years) | 14 to 80 (mean: 48.4) |
| Tumor size | |
| Range | 0.7 to 5 cm |
| ≤ 1 cm | 11 (20.7%) |
| > 1 cm and ≤ 2 cm | 20 (37.7%) |
| > 2 cm and ≤ 4 cm | 16 (30.2%) |
| > 4 cm | 6 (11.3%) |
| Histological subtype | |
| Classic | 39 (73.6%) |
| Nonencapsulated follicular variant | 10 (18.9%) |
| Hurthle-cell | 4 (7.5%) |
| Minimal extrathyroid invasion (pT3) | 20 (37.7%) |
| Multicentricity of the tumor | 17 (32%) |
| TNM classification | |
| pT1b, cN0pNx, M0 | 15 (28%) |
| pT2, cN0pNx, M0 | 12 (28%) |
| pT3, cN0pNx, M0 | 26 (49%) |
| Stimulated Tg [range (ng/mL)] | |
| L-T4 withdrawal (n = 30) | 1.4-4.8 ng/mL |
| rhTSH (n = 23) | 1.06-2 ng/mL |
Tg: thyroglobulin; rhTSH: recombinant human TSH.