TABLE 1.
Malignancy Seen on 18F-FES and 18F-FDG PET/CT in the 7 Patients
| Patient 1, 67 y old, 30 d between scans |
Patient 2, 64 y old, 11 d between scans |
Patient 3, 67 y old, 13 d between scans |
Patient 4, 66 y old, 16 d between scans |
Patient 5, 48, y old, 30 d between scans |
Patient 6, 54 y old, 35 d between scans |
Patient 7, 69 y old, 19 d between scans |
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| Parameter | 18F-FES | 18F-FDG | 18F-FES | 18F-FDG | 18F-FES | 18F-FDG | 18F-FES | 18F-FDG | 18F-FES | 18F-FDG | 18F-FES | 18F-FDG | 18F-FES | 18F-FDG |
| Bone | ||||||||||||||
| Foci (n) | 68 | 2 | 146 | 56 | 3 | 2 | 14 | 8 | 2 | 0 | 4 | 16 | 16 | 6 |
| SUVmax | 11.4 | 3.5 | 17.9 | 5.7 | 14.8 | 3.6 | 10.2 | 5.8 | 3.7 | NA | 2.6 | 5.0 | 7.9 | 9.9 |
| Location* | L4 VB | L ilium | R femur | R femur | L3 VB | L3 VB | Sac | Sac | R ilium | NA | R acet | Sac | L acet | L1 VB |
| Breast | ||||||||||||||
| Foci (n) | 1 | 1 | ||||||||||||
| SUVmax | 6.5 | 3.3 | ||||||||||||
| Liver | ||||||||||||||
| Foci (n) | 0 | 20 | ||||||||||||
| SUVmax | NA | 5.9 | ||||||||||||
| bg SUVmax | 13.8 | 2.5 | 15.4 | 3.1 | 15.4 | 2.2 | 22.9 | 2.8 | 12.5 | 2.2 | 14.3 | 3.8 | 17.0 | 3.5 |
| bg SUVmean | 10.6 | 2.2 | 13.8 | 2.8 | 13.9 | 1.9 | 20.3 | 2.6 | 11.7 | 2.0 | 12.4 | 3.5 | 15.0 | 3.1 |
*
Location of osseous lesions (noted by red arrows in Fig. 1) demonstrating SUVmax.
VB = vertebral body; sac = sacrum; NA = not applicable; acet = acetabulum; bg = liver background.