Table 1.
Representative sequence parameters for in vivo liver experiments. A slice oversampling factor of 10% was used for all acquisitions.
Imaging Parameters | BH Cartesian | FB Radial | BH Radial |
---|---|---|---|
TE (ms) | 1.23, 2.46, 3.69, 4.92, 6.15, 7.38 | ||
ΔTE (ms) | 1.23 | 1.23 | 1.23 |
TR (ms) | 8.85 | 8.85 | 8.85 |
Matrix (Nx × Ny × Nz) | 256 × 256 × 40 | 256 × 256 × 40 | 256 × 256 × 10 |
FOV (mm × mm × mm) | 400 × 400 × 200 | 400 × 400 × 200 | 400 × 400 × 50 |
Slice Thickness (mm) | 5 | 5 | 5 |
Radial Spokes | N/A | 403 / 210 / 202 / 135 | 210 |
Flip Angle (degrees) | 5 | 5 | 5 |
Bandwidth (Hz/pixel) | 1150 | 1150 | 1150 |
Acceleration Factor (R) | 4 | 1 / 1.92 / 2 / 3 | 1.92 |
Scan Time (min:s) | 0:27 | 3:08* / 1:53* / 1:50* / 1:24* | 0:27* |
The radial gradient calibration scan time (31 s for FB radial and 4.25 s for BH radial) is included.
BH, breath-hold; FB, free-breathing; FOV, field of view; N/A, not applicable; TE, echo time; TR, repetition time.