Table 3. MR imaging parameters.
Imaging Parameters | Spin-echo RARE T2-weighted images | Gradient-echo FLASH T1-weightedimages | Multi-slice multi-echo (MSME) for T2 maps | |
TE/TR (ms/ms) | 75/3,000 | 3.6/161.7 | 11.7/4,000 | |
Flip angle (degrees) | 180 | 90 | 90 | |
No. of signals acquired | 2 | 2 | 8 echoes, inter-echo delay: 23.3 ms | |
Bandwidth (kHz) | 50 | 101 | 303 | |
Field of view (mm2) | 40×40 | 40×40 | 40×40 | |
Slice thickness/Gap (mm) | 1.5/0.5 | 1/0 | 1.5/0.5 | |
Number of slices | 7 | 15 | 7 | |
Matrix size | 256×256 | 256×256 | 256×92 |
TE = echo time; TR = repetition time.