Table 1.
Comparison between single brain metastasis and glioblastoma according to multiparametric diffusion and DSC perfusion evaluation
| Metastasis | Glioblastoma | p | ||
|---|---|---|---|---|
| Mean values (standard deviation) | ||||
| Perilesional edema | ADC* min | 1.28 (0.29) | 1.25 (0.28) | NS |
| ADC*mean | 1.50 (0.24) | 1.43 (0.31) | NS | |
| rCBV max | 1.21 (0.64) | 2.63 (1.72) | 0.002 | |
| rCBV mean | 0.87 (0.22) | 1.46 (1.08) | 0.026 | |
| Edema | ADC* min | 1.44 (0.34) | 1.36 (0.34) | NS |
| ADC*mean | 1.57 (0.30) | 1.52 (0.36) | NS | |
| rCBV max | 0.97 (0.90) | 1.67 (1.54) | NS | |
| rCBV mean | 0.61 (0.56) | 0.88 (0.70) | NS | |
| Lesion | ADC* min | 0.56 (0.28) | 0.43 (0.20) | NS |
| ADC*mean | 1.13 (0.21) | 0.71 (0.33) | 0.0001 | |
| rCBV mean | 9.71 (3.53) | 7.60 (4.12) | NS | |
| rCBV max | 71.14 (13..84) | 84.59 (13.30) | NS | |
| PSR | 4.62 (2.78) | 4.89 (2.88) | 0.003 | |
*ADC values should be multiplied by 10−3 and expressed in units of mm2/s. In bold statistically significant results (p value ≤ 0.05)