Table 3. Comparison of the SUV mean values at 60 minutes post-injection for 18F-FSPG and 18F-FDG across all patients (N = 5).
| SUV 60 min p.i. (g/ml) | 18F-FSPG [mean (SD)] | 18F-FDG [mean (SD)] |
|---|---|---|
| Primary brain tumors | 2.4* | NA |
| Brain metastases | 5.0 (1.8) | 7.2 (2.8) |
| Aorta | 0.8 (0.2) | - |
| Pancreas | 5.9 (2.1) | - |
| Heart | 0.7 (0.1) | - |
| Kidney whole | 10.4 (4.1) | - |
| Kidney cortex | 9.5 (3.2) | - |
| Brain | 0.1 (0.0) | 6.9 |
| Muscle | 0.2 (0.1) | - |
| Lung | 0.2 (0.1) | - |
| Liver | 1.4 (0.3) | - |
| Brain tumor:normal brain ratio | 24.0 | - |
| Brain mets:normal brain ratio | 50 | 1.0 |
*Average of the two lesions from the high-grade glioma subject.