Signal intensity of ROIs in sodium images
| Untreated | 48 Hours | 1 Week | 1 Month | |
|---|---|---|---|---|
| Tumor (mean) | 22.85 (SD, 2.61) | 24.19 (SD, 2.45) | 22.28 (SD, 0.27) | 36.08 (SD, 0.12) |
| CSF (mean) | 23.23 (SD, 7.56) | 24.43 (SD, 2.66) | 27.53 (SD, 0.33) | 25.92 (SD, 0.26) |
| Ratio | 0.98 | 0.99 | 0.80 | 1.39 |