| Turbo spin echo (TSE) | Gradient echo (GE) | |||
---|---|---|---|---|---|
T1W-3DTSE | PDW-3DTSE | T2W-3DTSE | 3DGE | T2P-3DGE | |
TR (ms) | 952 | 1905 | 2250 | 6.4 | 6.4 |
TE (ms) | 11 | 10 | 52 | 3.3 | 3.3 |
ΔTE (ms) | 12 | 10.4 | 10.4 | NA | NA |
α [deg] | 90 | 90 | 90 | 20 | 20 |
FOV (mm) RL/AP/FH | 150 × 200 × 20 | 150 × 200 × 20 | 150 × 200 × 25 | 150 × 200 × 25 | 150 × 200 × 25 |
Slice thickness/gap (mm) | 2.0/−1.0 | 2.0/−1.0 | 2.0/−1.0 | 2.0/−1.0 | 2.0/−1.0 |
Resolution (mm) RL/AP/FH | 0.45 × 0.45 × 2 | 0.45 × 0.45 × 2 | 0.45 × 0.45 × 2 | 0.45 × 0.45 × 2 | 0.45 × 0.45 × 2 |
k-Space filling pattern | Centric | Centric | Linear | Linear | Linear |
Black-blood | DIR | DIR | DIR | MS | MS |
Fat saturation | SPIR | SPIR | SPIR | SPIR | SPIR |
NSA | 1 | 1 | 1 | 3 | 3 |
Turbo factor | 11 | 12 | 9 | 20 | 20 |
SENSE factor | 1 | 2 | 2 | 1 | 1 |
Halfscan factor | 0.675 | 0.675 | 0.675 | 1 | 1 |
Scan time | 6Â min 14Â s | 7Â min 16Â s | 7Â min 41Â s | 6Â min 36Â s | 6Â min 36Â s |