Table 3.
T1-weighted | T2-weighted | Functional | Diffusion weighted | |
---|---|---|---|---|
Sequence | Multi-shot TFE | Single-shot TFE | Single-echo EPI | EPI |
TR (ms) | 8.2 | 54 | 2500 | 7748 |
TE (ms) | 3.7 | 6 echoes: 7–47ms Interval: 8 | 30 | 86 |
Flip Angle | 8 | 22 | 80 | 90 |
Inversion time | 1017 | |||
b value (s/mm2) | - | - | - | 1000 |
Diffusion directions | - | - | - | 64 |
Resolution (mm3) | 1×1×1 | 1×1×1 | 3 × 3 × 3 | 2×2×2 |
Thickness (mm) | 1 | 1 | 3 | 2 |
Field of View | 240 × 240 | 224 × 224 | 240 × 240 | 224 × 224 |
Number of Slices | 170 | 170 | 46 | 60 |
Imaging direction | Axial | Axial | Axial | Axial |
TE = echo time; TR = repetition time; EPI = echo planar image; TFE = turbo field echo