Table 1 Parameter of L-spine MRI protocol
Parameters | T2 weighted Sagittal | T1 weighted Sagittal | T2 weighted Axial | T1 weighted Axial | Two point Dixon |
|---|---|---|---|---|---|
Repetition time (ms) | 3040 | 504 | 2830 | 425 | 5.36 |
Echo time (ms) | 91 | 9.8 | 100 | 15 | 2.46–3.69 |
Matrix number | 410*512 | 269*448 | 230*384 | 230*384 | 126*224 |
Field of view (mm) | 320 | 320 | 160 | 160 | 196 |
Number of acquisition | 2 | 1 | 2 | 2 | 1 |
Echo train length | 19 | 5 | 16 | 3 | X |
Section thickness (mm) | 3 | 3 | 4 | 4 | 3 |
Intersection gap (mm) | 0.6 | 0.6 | 0.4 | 0.4 | 0.6 |
Bandwidth (kHz/pixel) | 257 | 248 | 246 | 241 | 890 |
Acquisition time (min: sec) | 1:54 | 1:30 | 1:48 | 2:01 | 0:15 |
Flip Angle | 160 | 130 | 130 | 125 | 9 |