Table II.
Correlation between DCE-MRI parameters and immunohistochemical findings.
| Variables | MVD (n=21) | PD-L1 (n=21) | VEGF (n=21) |
|---|---|---|---|
| DCE-MRI parameters | |||
| CI-max | 0.20 (P=0.373) | 0.57 (P=0.007)a | −0.11 (P=0.634) |
| T-max | −0.61 (P=0.003)a | −0.42 (P=0.055) | −0.02 (P=0.946) |
| CI-peak | 0.20 (P=0.373) | 0.57 (P=0.007)a | −0.11 (P=0.634) |
| CI-gain | 0.46 (P=0.037)a | 0.58 (P=0.006)a | −0.05 (P=0.839) |
| IHC staining | |||
| MVD | – | 0.66 (P=0.001)a | 0.24 (P=0.302) |
| PD-L1 | 0.66 (P=0.001)a | – | −0.15 (P=0.513) |
Correlation given by Spearman-Rho test.
a
P<0.05. DCE-MRI, dynamic contrast-enhanced magnetic resonance imaging; MVD, microvessel density; PD-L1, programmed death ligand-1; VEGF, vascular endothelial growth factor; IHC, immunohistochemistry.