TABLE 2.
Summary of Area Under the Curve Signal-to-Noise Ratios in Tumors
| Patient | No. of Examinations | Pyruvate-GRE | Lactate-GRE | Lactate-bSSFP | Alanine-GRE |
|---|---|---|---|---|---|
| 1 | 1 | 19 | 9.5 | NA | NA |
| 2 | 1 | 71 | NA | 9.4 | 4.1 |
| 3 | 1 | 37 | NA | 59 | 3.7 |
| 2 | 34 | 24 | NA | 3.4 | |
| 4 | 1 | 86 | 11 | NA | 4.5 |
| 2 | 92 | NA | 23 | 4.4 | |
| 5 | 1 | 62 | 8.7 | NA | NA |
| 2 | 37 | 6.5 | NA | NA | |
| 6 | 1 | 119 | 18 | NA | 5.2 |
| 2 | 71 | NA | 38 | 2.7 | |
| 7 | 1 | 211 | 18 | NA | 9.2 |
| 8 | 1 | 67 | 13 | NA | 2.3 |
| 2 | 64 | 10 | NA | 2.6 | |
| Mean ± SD | 75 ± 49 | 13 ± 5.8 | 32 ± 21 | 4.2 ± 2.0 |
Abbreviations: bSSFP, balanced steady-state free precession sequence; GRE, gradient echo sequence; NA, not available.