Metabolite ratios of low-grade (II) and high-grade (III + IV) cerebral gliomas at both echo time (TE) sequences
| Short TE | Intermediate TE | |||||||
|---|---|---|---|---|---|---|---|---|
| Cho/Cr | Cho/NAA | LL/Cr | mIns/Cr | Cho/Cr | Cho/NAA | LL/Cr | mIns/Cr | |
| Low grade (II) (n = 7) | 1.52 ± 0.66 | 1.88 ± 0.96 | 1.07 ± 0.46 | 0.86 ± 0.19 | 1.92 ± 0.89 | 4.57 ± 4.35 | 0.30 ± 0.21 | 0.36 ± 0.11 |
| High grade (III + IV) (n = 28) | 2.17 ± 0.79 | 2.02 ± 0.94 | 6.17 ± 8.33 | 1.18 ± 0.45 | 3.56 ± 3.10 | 7.09 ± 6.69 | 2.56 ± 4.17 | 0.63 ± 0.59 |
| P value | .0152 | NS | <.001 | NS | .0111 | NS | .0152 | NS |
Note:—Cho indicates choline, Cr, creatine; NAA, N-acetylaspartate; LL, lipid and lactate; mIns, myo-inositol; NS, not significant.