Table 7.
Per-lesion analysis of sTSH and eTSH F-18 FDG PET/CT images for detecting metastases.
| Sites of metastases |
sTSH F-18 FDG PET/CT Mean ± SD |
eTSH F- 18 FDG PET/CT Mean ± SD |
p-values | |
|---|---|---|---|---|
| Local recurrence | 0.13 ± 0.35 | 0.13 ± 0.35 | NC | |
| Cervical LNs | 2.3 ± 2.9 | 1.73 ± 1.71 | 1 | |
| Cervical LN levels | 0.9 ± 1.2 | 3.7 ± 3.9 | 0.1250 | |
| Distant LNs | 0.6 ± 1.8 | 0.3 ± 0.6 | 1 | |
| Lung | 1.3 ± 1.4 | 1.3 ± 1.4 | 1 | |
| Bone | 0.1 ± 0.3 | 0.1 ± 0.3 | NC | |
| Other | 0.1 ± 0.3 | 0.1 ± 0.3 | NC | |
| Total lesions | 4.5 ± 3.5 | 3.6 ± 3.9 | 0.3203 | |
LNs = lymph nodes; sTSH = suppressed TSH; eTSH = elevated TSH; ∗p < 0.05; NC = not calculable (N ≤ 2).