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