Characteristic | FDG-PET-positive n = 22 | FDG-PET-negative n = 17 | P value |
---|---|---|---|
Disease-free survival, (months), median (range) | 15 (5–33) | 41 (4–67) | n.s. |
Surgical treatment, (n) | 7 | 7 | n.s. |
131I uptake (yes/no), n (%) | 5 (23%) | 8 (47%) | n.s. |
131I uptake in PET-positive lesion, n = | Â | 7 | Â |
131I uptake elsewhere, n = | Â | 1 | Â |
131I therapy (yes/no), n (%) | 10 (46%) | 6 (41%) | n.s. |
Outcome, n (%) | Â | Â | n.s. |
Stable disease | 5 (24%) | 5 (31%) | Â |
Loco-regional control without evidence of residual disease | 2 (10%)* | 2 (13%) | Â |
Progressive disease | 9 (43%) | 9 (56%) | Â |
Death†| 5 (18%)†| 0 (0%)†|  |
Unknown | 1 | Â | Â |