Table 1.
MR imaging protocols
| Knie position | Sequence | Orientation | Slices | TR (msec) | TE (msec) | T/G (mm) | FOV (cm) | Matrix | Scan time |
|---|---|---|---|---|---|---|---|---|---|
| Extension (0°) | TSE FS-PD | axial | 28 | 2900 | 20 | 3/1 | 19 | 256x224 | 3:52 |
| TSE FS-PD | coronal | 28 | 2900 | 20 | 3/1 | 19 | 256x224 | 3:52 | |
| T1-SE | sagittal | 28 | 650 | 20 | 3/1 | 19 | 256x224 | 2:37 | |
| TSE FS-PD | sagittal | 28 | 2900 | 20 | 3/1 | 19 | 256x224 | 3:52 | |
| 30° Flexion | TSE FS-PD | sagittal | 28 | 2900 | 20 | 3/1 | 19 | 256x224 | 3:52 |
| 55° Flexion | TSE FS-PD | sagittal | 28 | 2900 | 20 | 3/1 | 19 | 256x224 | 3:52 |
Note.- FA = flip angle, G = intersection gap, NA = not applicable, NSA = number of signals acquired, PD = proton density-weighted, T = section thickness, TE = echo time, TR = repetition time, T 1 = T1-weighted, T2 = T2-weighted.