Table 1.
MR imaging | Diffusion-weighted imaging | T2-weighted imaging |
---|---|---|
Pulse sequence | Spin-echo echo-planar-imaging | 3D T2-weighted TSE |
Direction | Transaxial | Transaxial |
TR/TE (ms) | 6300/50 | 1500/150 |
Section thickness (mm) | 2.5 | 1.4 |
Overlap (mm) | 0 | 0.7 |
Field of view (mm) | 350 | 200 |
Matrix | 144 × 256 (interpolated to 256 × 256) | 224 × 512 (interpolated to 512 × 512) |
Voxel size (mm3 ) | 1.37 × 1.37 × 2.5 | 0.4 × 0.4 × 0.7 |
Signal acquisition | 7 | 2 |
Scan time | 5 min 21sec | 7 min 27 sec |
Multiplanar reconstruction thickness (mm) | 4 | 4 |
Reconstruction direction | Transaxial, coronal, sagittal | Transaxial, coronal, sagittal |
Others | b-value s/mm2 of 0 and 600, ADC map reconstruction: 2.5 mm-thick TRS, 4 mm-thick TRS, COR, SAG | Echo train length of 61 |