Acquisition parameters for MRA sequences
Parameter | CE-MRA | 3D TOF-MRA |
---|---|---|
Receive coil | 12-Channel head and neck coil combination | 12-Channel head and neck coil combination |
TR/TE (ms) | 3.28/1.23 | 22/3.83 |
Flip angle | 33° | 18° |
Acquisition plane | Coronal | Axial |
FOV (mm) | 300 × 300 | 200 × 200 |
Reconstructed voxel size (mm) | 0.9 × 0.7 × 0.8 | 0.7 × 0.5 × 0.6 |
Slice oversampling (%) | 9.1 | 20 |
No. of slices per slab | 88 | 40 |
No. of slabs | 1 | 3 |
Slice thickness (mm) | 0.8 | 0.64 |
Partial Fourier (phase and slice directions) | 7/8 and 6/8 | 6/8 and 6/8 |
Total acquisition time | 64 sec | 3 min 7 sec |