MRI sequences | Non-contrast scans | Non-contrast fat suppressed scans | Contrast-enhanced fat suppressed scans | ||||
---|---|---|---|---|---|---|---|
T1SGRE (in-phase and out-of-phase) | T2W-SS-FSE | T2W-RARE | T2*WI | STIR | DWI + STIR | DCE-MRI | |
Type of scan | Breath-hold SGRE | SS-FSE | Respiratory-triggered RARE | FGRE | STIR | SSh-EPI + STIR | Breath-hold 3D-T1W SGRE -LAVA + STIR |
Imaging plane | Axial and coronal | Axial and coronal | Axial and coronal | Axial and coronal | Axial and coronal | Axial | Axial |
TR/ TE (ms) | [in-phase] = 126/4.6 [out-of-phase] =126/2.3 | [in-phase] = 126/4.6 [out-of-phase] =126/2.3 | 4000/102 | 100/15 | 418/80 | 4500–6000/80–120 | 4.4/2.1 |
TI (ms) | – | – | (for fat suppression) | – | 140 | 140 | 140 |
NEX | 1 | 1 | 1 | 1 | 1 | 2 | 1 |
FOV (mm3) | 320 × 320 × 150 | 340 × 350 × 150 | 320 × 320 × 150 | 340 × 340 × 150 | 340 × 340 × 150 | 340 × 350 × 150 | 26 × 26 |
ST (mm) | 3–5 | 3–5 | 5–7 | 5–7 | 5–7 | 5–7 | 3–5 |
Flip angle (°) | 12 | 90 | 90 | 30 | 10 | 90 | 12 |
Intersection gap (mm) | 0 | 0 | 1–2 | 0 | 0 | 0 | 0 |
Matrix | 179 × 256 | 320x192 | 384 × 224 | 320x288 | 256 × 256 | 128 × 128 | 160 × 192 |
Acquired voxel size (mm3) | 1.00 × 1.42 × 3.0 | 1.00 × 1.42 × 3.0 | 1.25 × 1.52 × 3.0 | 1.25 × 1.52 × 3.0 | 1.25 × 1.52 × 3.0 | 1.49 × 1.50 × 3.0 | 0.99 × 1.03 × 1.0 |
Scan time (min) | 2:28 | 2:28 | 2:28 | 2:28 | 2:28 | 3:33 | 7:42 |