Table 2 Correlation between FDG uptakes and hormone levels
From: Dexamethasone suppression for 18F-FDG PET/CT to localize ACTH-secreting pituitary tumors
| Â | Spearman correlation coefficient (Rho), P-value | ||
|---|---|---|---|
| Â | Adenoma SUVmax/normal pituitary SUVmean | ||
Baseline | DEX suppression | ||
Preoperative cortisol | Rho = 1.121, P = 0.633 | Rho = 0.299, P = 0.227 | |
Preoperative ACTH | Rho = 0.267, P = 0.284 | Rho = 0.218, P = 0.385 | |
Nadir cortisol on the HD DST | Rho = 0.304, P = 0.168 | Rho = 0.503, P = 0.017 | |
| Â | Adenoma SUVmean/normal pituitary SUVmean | ||
Baseline | DEX suppression | ||
Preoperative cortisol | Rho = 0.262, P = 0.293 | Rho = 0.389, P = 0.111 | |
Preoperative ACTH | Rho = 0.448, P = 0.062 | Rho = 0.313, P = 0.206 | |
Nadir cortisol on the HD DST | Rho = 0.516, P = 0.014* | Rho = 0.554, P = 0.007* | |