Table 1 Scan parameters of the two groups
Parameter | 6-s scan (triple arterial phase) | 10-s scan (double arterial phase) |
|---|---|---|
Field of view (mm2) | 320 × 320 | 320 × 320 |
Slice thickness (mm) | 4 | 4 |
Matrix | 256 × 192 | 256 × 192 |
Bandwidth (Hz/pixel) | 488.281 | 488.281 |
Repetition time (msec) | 5.546 | 5.546 |
Echo time (msec) | 1.416 | 1.416 |
Flip angle (degree) | 12 | 12 |
CS factor | 2.0 | 2.0 |
Phase ARC | 2.0 | 2.0 |
Slice ARC | 2.0 | 1.2 |
Acquisition time (sec) | 6 | 10 |