Table 1.
Acquisition parameters for the four MRI sequences utilized.
| TOF | PDW | T1W | T2W | PC-MRA | |
|---|---|---|---|---|---|
| Sequence type | Time-of-flight MRA |
Spin-echo | Spin-echo | Spin-echo | Phase- contrast MRA |
| TR [ms] | 38 | 2,160 | 800 | 2,160 | -- |
| TE [ms] | 8.67 | 8 | 8 | 48 | -- |
| Flip angle [degrees] | 60 | 90 | 90 | 90 | -- |
|
In-plane spatial
resolution [mm × mm] |
0.469 × 0.469 | 0.625 × 0.625 | 0.625 × 0.625 | 0.625 × 0.625 | 1.1 × 1.5 |
| Slice thickness [mm] | 3 | 3 | 3 | 3 | 8 |
| Venc [cm/s] | -- | -- | -- | -- | 120 |
|
Temporal resolution
[ms] |
-- | -- | -- | -- | 22.8 |
TOF: time-of-flight; PDW: proton-density-weighted; T1W: T1-weighted; T2W: T2-weighted; PC-MRA: phase-contrast magnetic resonance angiography; TR: repetition time; TE: echo time.