Laboratory findings and clinical course
| Age (yr) | 8.2 | 11.0 | 11.6 | 13.6 | 14.4 | 18.1 | 22.1 |
| Free T4 | 0.91 | 1.15 | 0.65 | 1.36 | 0.9 | 0.83 | 0.97 |
| TSH | 4.68 | 1.17 | 8.68 | 0.72 | 8.1 | 2.87 | 2.35 |
| Tg | 202.3 | ||||||
| Goiter | Moderate | Mild | Moderate | Mild | Severe | Mild | Mild |
| LT4 | (+) | (-) | (+) | (-) | (+) | (+) | (+) |
| US | DE | Decreased | DE with SN | DE with SN | DE with calcified SN | ||
| Course | FNAB | NGS |
Normal levels: free T4 (0.7-1.48 ng/dL), TSH (0.35-4.94 uIU/mL), thyroglobulin (0.2-70 ng/mL).
DE: diffuse enlargement, FNAB: fine needle aspiration biopsy, LT4: Levothyroxine, NGS: next-generation sequencing, SN: solid nodule, Tg: thyroglobulin, US: ultrasonography