Table 5 Tracer uptake for 68Ga-PSMA in different regions of dexamethasone-treated (n = 5) and untreated (n = 5) U87 tumors quantified by SUV (mean ± SD) and tumor-to-brain ratios (TBR, mean ± SD). There was no significant difference in 68Ga-PSMA uptake in the tumor after dexamethasone treatment
Parameter | Region | Treated | Untreated | p value |
|---|---|---|---|---|
SUV | Tumor center | 0.35 ± 0.04 | 0.39 ± 0.09 | 0.339 |
Tumor rim | 0.74 ± 0.05 | 0.77 ± 0.13 | 0.598 | |
Brain | 0.017 ± 0.004 | 0.015 ± 0.004 | 0.976 | |
TBR | Tumor center | 20.69 ± 5.14 | 25.09 ± 2.11 | 0.438 |
Tumor rim | 43.44 ± 7.27 | 50.02 ± 13.11 | 0.253 |