Table 1 Imaging parameters of the 3D DIR sequence on 3 T MR Achieva® Philips
From: Long segment 3D double inversion recovery (DIR) hypersignal on MRI in glaucomatous optic neuropathy
3D double inversion recovery DIR | |
|---|---|
Acquisition mode | 3D turbo spin echo |
Acquisition plane | sagittal |
Coverage | whole head |
Reconstructions, slice thickness | coronal, 2 mm |
TR / TE | 5500 ms/ 246 ms |
TI | 2550 ms / 450 ms |
FOV | 250x250x195 mm |
Matrix | 240x240x310 |
Acquired voxel size | 1.2 × 1.2 × 0.65 mm |
Number of slices | 300 |
Fat suppression | spectral presaturation with inversion recovery SPIR |
Number of excitations | 2 |
Acquisition time | 6 min 19 s. |