Clinical Significance of 18F-FDG Uptake According to Location of Recurrence
| Location | No. of positive | No. of true-positive | No. of false-negative | Sensitivity (%) | Specificity (%) |
|---|---|---|---|---|---|
| Hilar | 26 | 7 | 0 | 100 | 92 |
| Scarlene lymph node | 12 | 5 | 0 | 100 | 97.1 |
| Lung | 11* | 6 | 1 | 85 | 97.9 |
| Neck | 9 | 0 | 0 | — | 96.4 |
| Mediastinum | 8 | 2 | 0 | 100 | 97.5 |
| Iliac | 7 | 5 | 0 | 100 | 99 |
| Retrovesical | 4 | 3 | 1 | 75 | 99.5 |
| Inguinal | 4 | 0 | 0 | — | 98.4 |
| Paraaortic | 3 | 3 | 1 | 75 | 100 |
| Skull | 2 | 0 | 0 | — | 99.2 |
| Axillae | 2 | 0 | 0 | — | 99 |
| Colon | 2 | 0 | 0 | — | 99 |
| Liver | 2 | 2 | 0 | 100 | 100 |
| Spine | 1 | 1 | 0 | 100 | 100 |
| Chest wall | 1 | 1 | 0 | 100 | 100 |
↵* Two cases of tuberculosis.