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Regions of bone metastases detected by [68Ga]Ga-DOTA-FAPI-04 and [18F]FDG PET/CT.
| Region-based | Sensitivity (%) | ||
|---|---|---|---|
| FDG | FAPI | ||
| Vertebrae | 86(43/50) | 100 (50/50) | |
| Rib | 74 (14/19) | 100 (19/19) | |
| Scapula | 100 (4/4) | 100 (4/4) | |
| Cranial bone | 50 (5/10) | 100 (10/10) | |
| Pelvis | 88 (14/16) | 100 (16/16) | |
| Sternum | 100 (3/3) | 100 (3/3) | |
| Clavicle | 100 (2/2) | 100 (2/2) | |
| Long bone | 80 (4/5) | 100 (5/5) | |
| Total | 82 (89/109) | 100 (109/109) | |
