Table 2.
RAI treatment
| Parameter | Patients (n = 42) |
|---|---|
| Administered RAI activity | |
| 1.1 GBq 131iodine | 18 (43) |
| 3.7 GBq 131iodine | 24 (57) |
| TSH stimulation preparation | |
| rhTSH | 27 (64) |
| Levothyroxine withdrawal | 15 (36) |
| Stimulated Tg level, ng/mL | 4.5 (0.1–125) |
| Positive anti-Tg Ab level | 7 (16) |
| Uptake on the WBS | |
| Orthotopic residual thyroid tissue including thyroglossal tract | 42 |
| Cervical lymph node | 1 |
| Distant metastases | 0 |
| Median cervical uptake RAI (n = 17), % | 1 (0.06–3.9) |
Values are n (%) or median (range), as appropriate. RAI, radioiodine; WBS, whole body scan.