Table 1 Typical MR imaging parameters for 3D (isotropic) T2-weighted fast spin echo (FSE) sequence
From: Reconstruction of fetal and infant anatomy using rapid prototyping of post-mortem MR images
Parameter | 1.5-T MR | 9.4-T MR |
|---|---|---|
Coil | Head (volume coil) | Rapid 39-, 72- or 150-mm volume coils |
Effective TE (ms) | 360 | 120 |
TR (ms) | 3,500 | 500 |
Echo train length | 169 | 8 |
Field of view (mm) | 125 × 200 × 64 | 100 × 50 × 50 |
Matrix | 160 × 252 × 80 | 512 × 256 × 256 |
Voxel dimensions (mm) | 0.8 × 0.8 × 0.8 | 0.2 × 0.2 × 0.2 |
Averages | 10 | 1 |
Scan time | Up to 50 min | Up to 70 min |
Flip angle | 90/120° | 90/180° |