Table 1 Detailed imaging parameters used for acquiring 3D T1W and Cube T2 FLAIR sequences
Imaging parameters | 3D T1W SPGR | Cube T2 FLAIR |
|---|---|---|
Plane | Sagittal | Sagittal |
Mode | 3D | 3D |
Prep. time | 500 ms | – |
Inversion time | – | 1990 ms |
TE | Minimum full | 115 ms |
TR | 7.2 ms | 7600 ms |
FOV | 256 × 256 mm | 240 × 240 mm |
Phase FOV | 1.0 | 1.0 |
Slice thickness | 1.2 mm | 1.4 |
Number of slices | 160 | 140 |
Slice spacing | Zero | Zero |
Matrix | 192 × 192 | 256 × 256 |
Flip angle | 10° | – |
Frequency | 16 kHz | 41.67 kHz |
Frequency direction | S/I | S/I |
NEX | 1.0 | 1.0 |
Shim | Auto | Auto |
Phased array uniformity enhancement (PURE) | On | – |
Surface coil intensity correction (SCIC) | Off | Off |