Table 1 Scan parameters of the axially- and sagittally-prescribed sequence
Axially-prescribed six-echo 3D spoiled gradient- echo sequence | Sagittally-prescribed eight-echo 3D spoiled gradient-echo sequence | |
|---|---|---|
TR/ TE1/ ∆TE | 6.4/1.1/0.8 ms | 11/1.4/1.1 ms |
Flip angle | 3° | 3° |
Bandwith | 2484 Hz/pixel | 1527 Hz/pixel |
Acquisition matrix | 68 × 150 | 124 × 121 |
Field of view (FOV) | 220 × 401 × 252 mm3 | 220 × 220 × 80 mm3 |
Acquisition voxel size | 3.2 × 2.0 × 4.0 mm3 | 1.8 × 1.8 × 4.0 mm3 |
Frequency direction | L/R | A/P |
Scan time | 1 min and 25 s | 1 min and 17 s |