Table 5:

Quantified lactate values from PRESS and CSSMRS for both voxelsa

Patient No.CSSMRS Tumor Voxel (a.u.)PRESS Tumor Voxel (a.u.)Difference (a.u.)CSSMRS Healthy Voxel (a.u.)PRESS Healthy Voxel (a.u.)Difference (a.u.)
11.31 ± 0.091.46 ± 0.08−0.16 ± 0.120.03 ± 0.040.23 ± 0.07−0.20 ± 0.08
23.36 ± 0.113.16 ± 0.100.20 ± 0.150.60 ± 0.110.51 ± 0.110.09 ± 0.16
32.83 ± 0.042.77 ± 0.040.06 ± 0.050.25 ± 0.040.28 ± 0.050.03 ± 0.06
4b3.22 ± 0.142.76 ± 0.130.46 ± 0.191.84 ± 0.101.59 ± 0.100.25 ± 0.14
52.26 ± 0.082.32 ± 0.07−0.06 ± 0.100.73 ± 0.130.87 ± 0.17−0.14 ± 0.21
60.54 ± 0.070.76 ± 0.08−0.22 ± 0.110.22 ± 0.050.29 ± 0.05−0.08 ± 0.07

  • Note:—a.u. indicates arbitrary units.

  • ↵a Shown are means and standard deviations (Cramer-Rao bounds).

  • ↵b Lipid contamination from scalp mislabeled as lactate in healthy voxel.