Plaque feature | Localize artery | Localize bifurcation | Plaque burden and distribution | LRNC | Stenosis, ulceration, calcification | Intraplaque hemorrhage |
Sequencea | FFE/SPGR | TSE/FSE | TSE/FSE | TSE/FSE | FFE/SPGR | IR-TFE/IR-FSPGR |
Image mode | 2D | 2D | 2D | 2D | 3D | 3D |
Scan plane | Axial | Oblique | Axial | Axial | Axial | Axial |
TR (ms) | 25 | 2000 | 800 | 4800 | 24 | 13 |
TE (ms) | 4 | 8 | 10 | 50 | Minimum | Minimum |
FOV (cm) | 16 × 12 | 16 × 16 | 16 × 16 | 16 × 16 | 16 × 16 | 16 × 16 |
Resolution (mm2) | 0.63 × 0.83 | 0.63 × 0.63 | 0.63 × 0.63 | 0.63 × 0.63 | 0.63 × 0.63 | 0.63 × 0.63 |
Slice thickness (mm) | 2 | 2 | 2 | 2 | 2/−1 | 2/−1 |
No. of slices | 32 | 6 | 16 | 16 | 40 | 40 |
Blood suppression | None | DIR | DIR | DIR | Noneb | None |
Special parameters | Flip angle = 40° | Echo-train = 14; 3 slices/TR | Echo-train = 10; | Echo-train = 12; 8 slices/TR | Flip angle = 20° | Flip angle = 15°, turbo factor = 30, TI = 500 ms, IRTR = 800 ms |
Fat suppression | No | Yes | Yes | Yes | No | Water excitation |