Table 2. Pathologic Findings and Radioactive Iodine Dose of the Patients.
| Variable | TT only (n=107) | TT-RAI (n=182) |
|---|---|---|
| TNM stage | ||
| T1 | 107 (100) | 182 (100) |
| Microscopic ETE | 2 (1.9) | 116 (63.4) |
| N0 | 107 (100) | 76 (41.8) |
| N1a | - | 106 (58.2) |
| M0 | 107 (100) | 182 (100) |
| RAI preparation | ||
| T4 withdrawal | - | 142 (78.0) |
| rhTSH | - | 40 (22.0) |
| RAI dose | ||
| 1.11 GBq (30 mCi) | - | 72 (39.6) |
| 2.96 GBq (80 mCi) | - | 110 (60.4) |
Values are expressed as number (%).
TT, total thyroidectomy; RAI, radioactive iodine; TNM, tumor node metastasis according to the eighth edition of the American Joint Committee on Cancer/Union for International Cancer Control; ETE, extrathyroidal extension; T4, thyroxine; rhTSH, recombinant human thyrotropin.