Table 1 Pulse sequence parameters for conventional magnetic resonance imaging and 1H magnetic resonance spectroscopy
Sequence | TR (msec) | TE (msec) | Thickness (mm) | Intersection gap (mm) | Matrix | Flip angle (degree) | Scan time (sec) | Breathing | |
|---|---|---|---|---|---|---|---|---|---|
Conventional MRI | |||||||||
T1-Weighted (In phase) | GRE | 275 | 2.3 | 7.0 | 1.0 | 288∗192 | 80 | 19 | Breath hold |
T1-Weighted (Out phase) | GRE | 275 | 5.8 | 7.0 | 1.0 | 288∗192 | 80 | 19 | Breath hold |
T2-Weighted (fat suppression) | FSE | – | 102 | 7.0 | 1.0 | 288∗224 | – | – | Respiratory-triggered |
Diffusion weighted | EPI | 3750 | Min | 7.0 | 1.0 | 128∗128 | – | 19 | Breath hold |
Dynamic enhancementa | LAVA-XV | 2.7 | 1.3 | 3.8 | – | 288∗170 | 12 | 8∗6 | Breath hold |
MRS | |||||||||
Magnetic resonance spectrograph | PRESS | 1500 | 35 | – | – | – | – | 138 | Intermittent breath hold |
T2-weighted | SSFSE | 2300 | 60 | 7.0 | 1.0 | 288∗192 | – | 59 | Intermittent breath hold |