Table 1.
T1W | PDW | T2W | TOF | DCE* | |
Sequence | 2D-TSE | 2D-TSE | 2D-TSE | 3D-GRE | 2D-SR-SGRE |
ECG gating | None | None | None | None | None |
Fat Suppression | Yes | Yes | Yes | Yes | No |
TR [ms] | 800 | 3000 | 3000 | 21 | 307 |
TE [ms] | 12 | 13 | 65 | 3.96 | 1.72 |
PAT factor | 2 | 2 | 2 | 2 | 4 |
ETL | 11 | 13 | 13 | n.a. | n.a. |
Flip Angle [°] | 180 | 180 | 180 | 25 | 15 |
Averages | 2 | 2 | 2 | 1 | 3 |
FOV [mm2] | 160 × 120 | 160 × 120 | 160 × 120 | 160 × 120 | 160 × 130 |
Matrix | 240 × 320 | 240 × 320 | 240 × 320 | 240 × 320 | 256 × 208 |
Number of Slices | 15 | 21 | 21 | 52 | 2 |
Slice thickness [mm] | 2 | 2 | 2 | 1 | 3.5 |
Pixel size [mm2] (Interpolated) |
0.5 × 0.5 (0.25 × 0.25) |
0.5 × 0.5 (0.25 × 0.25) |
0.5 × 0.5 (0.25 × 0.25) |
0.5 × 0.5 (0.25 × 0.25) |
0.625 × 0.625 |
Scan Time per slice (Sequence) [minutes] |
0:19 (4:38) |
0:06 (2:08) |
0:06 (2:08) |
0:05 (4:11) |
0:02 (5:13) |
Flow Suppresion | DIR | Inflow Suppression (Arteries and Veins) | Inflow Suppression (Arteries and Veins) | Inflow Suppression (Veins) |
None |
DCE = Dynamic Contrast Enhanced Sequences; *TI = 159 ms; D = Dimensional; TSE = Turbo Spin Echo; SR-SGRE = Saturation-Recovery Spoiled Gradient Echo, PAT = Parallel Acquisition Technique; ETL = Echo Train Length; DIR = Double Inversion Recovery