Table 1.
Planar and SPECT/CT imaging findings
| Probable | Definite | |
| Neck | ||
| Planar imaging | ||
| Thyroid remnants | 5 | 23 |
| Lymph nodes | 12 | 5 |
| SPECT/CT | ||
| Thyroid remnants | 0 | 34 |
| Lymph nodes | 1 | 10 |
| Thorax and skeleton | ||
| Planar imaging | ||
| Esophagus | 4 | |
| Mediastinal nodes | 7 | |
| Lungs | 10 | |
| Bones | 4 | |
| SPECT/CT | ||
| Esophagus | 6 | |
| Mediastinal nodes | 4 | |
| Lungs | 11 | |
| Bones | 4 | |