Table 1.
Shoulder MR imaging sequences and parameters
Parameter | Oblique sagittal T1-weighted imaging | Oblique sagittal STIR-weighted imaging | Oblique coronal STIR-weighted imaging | Axial STIR-weighted imaging | Sagittal 6-point Dixon imaging |
---|---|---|---|---|---|
Imaging technique | 2D | 2D | 2D | 2D | 3D |
Repetition time/echo time (ms) | 600/24 | 4420/51 | 4420/51 | 4440/51 | 9.31/1.35,2.65, 3.95,5.25, 6.55,7.85 |
Flip angle (degree) | 9 | ||||
Field of view (mm2) | 160 × 160 | 160 × 160 | 160 × 160 | 160 × 160 | 400 × 324 |
Matrix (frequency × phase) | 448 × 202 | 256 × 202 | 256 × 202 | 256 × 202 | 320 × 250 |
Section thickness (mm) | 4 | 4 | 4 | 4 | 3.5 |
Inversion time (ms) | 180 | 180 | 180 | ||
Number of averages | 1 | 1 | 1 | 1 | 1 |
Total imaging time (min:sec) | 4:06 | 4:00 | 4:53 | 2:41 | 0:38 |