Table 1.
T1 multi-flip angle | B1 map | dce mri (TFE with SPAIR fat suppression) | |
---|---|---|---|
TR/TE (seconds) | 4.0/2.0 | 100/1.0 | 2.3/1.0 |
Flip angle (°) | 5, 7, 10, 15, 20 | 60 | 10 |
Matrix size (pixels) | 240 × 240 | 100 × 100 | 240 × 240 |
Field-of-view (mm) | 475 × 475 | 475 × 475 | 475 × 475 |
Spatial resolution (mm2) | 1.98 × 1.98 | 4.75 × 4.75 | 1.98 × 1.98 |
Bandwidth (Hz/pixel) | 389 | 1447 | 1411 |
Slice thickness (mm) | 2.5 | 5 | 5 |
Slice gap (mm) | — | 5 | — |
Slices per volume | 60 | 30 | 30 (interpolated to 60) |
SPAIR inversion time (ms) | — | — | 56 |
Partial Fourier factor | — | — | 0.625 |
TFE shots | — | — | 16 |
TFE shot duration (ms) | — | — | 209 |
Parallel imaging (SENSE) factors | 2.9 RL, 1.4 AP |