Table 1.
The MR acquisition parameters of T1- and T2-weighted images.
VFA-TSE (Resolution 1) | VFA-TSE (Resolution 2) | MP2RAGE | |
---|---|---|---|
TE (ms) | 457 | 319 | 1.89 |
TR (ms) | 5000 | 5000 | 6000 |
Matrix size | 448*362*288 | 512*404*208 | 308*304*256 |
Resolution (mm3) | 0.48*0.48*0.50 | 0.41*0.41*0.40 | 0.65*0.65*0.65 |
FOV (cm3) | 21.5*17.4*14.4 | 21.0*16.7*8.3 | 20.0*19.7*16.6 |
FA (degree) | Variable | Variable | 4 (TI1), 4 (TI2) |
Slice orientation | Axial | Axial | Sagittal |
TI (ms) | N.A | N.A. | 800/2700 |
GRAPPA factor | 3 (PE1) | 3 (PE1) | 3 (PE1) |
Bandwidth (Hz/Pixel) | 700 | 349 | 290 |
Number of average | 1 | 1 | 1 |
TA (min) | 12:25 | 13:00 | 9:42 |