Table 1 Tabulated overview of MR imaging parameters
From: Use of quantitative T2 mapping for the assessment of renal cell carcinomas: first results
Sequence | T2-HASTE | True FISP* | T1 3D-FLASH* |
|---|---|---|---|
Scan plane | Coronal | Coronal | Coronal |
Voxel size (mm) | 1.7 × 1.3 × 5.0 | 1.6 × 1.6 × 4.0 | 1.6 × 1.0 × 1.4 |
Number of slices | 25 | 1 | 1 |
Slice thickness (mm) | 5 | 4 | 1.40 |
TR/ TE (ms) | 800/ 89 | 634.3/ 1.18 | 2.88/0.98 |
Averages | 1 | 4 | 1 |
FoV (mm) | 400 | 400 | 500 |
Flip angle (°) | 170 | 70 | 25 |
Matrix | 320 | 256 | 512 |
Bandwidth (Hz/Px) | 422 | 930 | 440 |
Fat saturation | None | None | Yes |
Parameter map type | – | T2 map (2D) | – |
Number of T2 preps (lengths in ms) | – | 3 (0; 24; 55) | – |
Echo spacing (ms) | – | 2.8 | – |
Phase encoding direction | R> > L | R> > L | R> > L |