Imaging parameters of the standardised multicontrast MR-VWI protocol
TOF | T1W | T2W | MP-RAGE | |
Sequence | FFE | TSE | TSE | FFE |
Black blood | None | QIR | MDIR | MSDE |
Repeat time, ms | 20 | 800 | 4800 | 8.8 |
Echo time, ms | 4.9 | 10 | 50 | 5.3 |
Flip angle (°) | 20 | 90 | 90 | 15 |
Field of view, cm | 14×14 | 14×14 | 14×14 | 14×14 |
Matrix | 256×256 | 256×256 | 256×256 | 256×256 |
Scan plane | Axial | Axial | Axial | Axial |
Slice thickness, mm | 1 | 2 | 2 | 1 |
FFE, fast field echo; MDIR, multislice double inversion recovery; MP-RAGE, magnetisation-prepared gradient recalled echo; MR-VWI, magnetic resonance vessel wall imaging; MSDE, motion sensitised-driven equilibrium; QIR, quadruple inversion recovery; TOF, time-of-flight; TSE, turbo spin echo; T1W, T1-weighted; T2W, T2-weighted.