Table 1 Rectal high-resolution MRI protocols for 2D and 3D sequences
Sequences | TR/TE (msec) | Slice thickness/Gap (mm) | No. of slices | Frequency direction | Flip angle (°) | Matrix | FOV (cm) | Voxel size (mm) | Acquisition time |
|---|---|---|---|---|---|---|---|---|---|
2D-TSE-T2WI | |||||||||
Sagittal | 3000/87 | 3/0 | 19 | H to F | 150 | 320 × 256 | 18 | 0.7 × 0.6 × 3.0 | 2 min 30 s |
Coronal | 4000/77 | 3/0 | 25 | F to H | 137 | 384 × 308 | 22 | 0.7 × 0.6 × 3.0 | 2 min 52 s |
Oblique axial | 3000/84 | 3/0 | 24 | R to L | 150 | 320 × 320 | 18 | 0.6 × 0.6 × 3.0 | 3 min 18 s |
3D-GRE-T1WI | |||||||||
Coronal | 10/4.9 | 1/0 | 144 | R to L | 10 | 384 × 384 | 38 | 1.0 × 1.0 × 1.0 | 3 min 10 s |