Mean values and SDs of perfusion parameters in differentiating malignant lesions of the brain
| Contrast-Enhancing Lesion | Perienhancing Lesion | |||||
|---|---|---|---|---|---|---|
| rCBV | Mean PSR Ratio | Max PSR Ratio | Min PSR Ratio | rCBV | Mean PSR Ratio | |
| Lymphoma | 2.43 ± 1.19 | 113.15 ± 41.59 | 158.86 ± 87.06 | 89.57 ± 23.63 | 0.87 ± 0.17 | 99.80 ± 25.33 |
| GBM | 4.72 ± 2.19 | 78.22 ± 14.27 | 87.06 ± 13.16 | 66.04 ± 16.24 | 1.39 ± 0.51 | 93.00 ± 10.50 |
| Metastases | 2.93 ± 1.18 | 53.46 ± 12.87 | 55.76 ± 12.56 | 41.82 ± 12.95 | 0.48 ± 0.26 | 80.97 ± 8 |
| P value lymphoma from GBM | .000 | .001 | .000 | .015 | .002 | .16 |
| P value GBM vs metastases | .021 | .000 | .000 | .000 | .001 | .000 |
| F (ANOVA) | >11.1 | >29.9 | >23.4 | >39.3 | >18.4 | >7.2 |