Table 1 T2 weighted MR imaging acquisition parameters of the four centres.
Parameter | Scanner | TR (ms) | TE (ms) | FOV(mm) | Flip Angle | Matrix | Slice thickness/gap (mm) | Pixel size (mm) |
---|---|---|---|---|---|---|---|---|
Centre 1 | SIEMENS 3.0 T (Magnetom Skyra) | 4000 | 107 | 400 × 400 | 150–175° | 640 × 640 | 4/0 | 0.625 × 0.625 |
Centre 2 | GE 3.0 T (Signa HDX) | 5160 | 151 | 220 × 220 | 90° | 320 × 258 | 3/0.3 | 0.688 × 0.853 |
Centre 3 | GE 3.0 T (OPTIMA) | 4300 | 104 | 100 × 100 | 90° | 288 × 256 | 3/6 | 0.347 × 0.391 |
Centre 4 | SIEMENS 3.0 T (Magnetom Skyra) | 4000 | 107 | 400 × 400 | 150–175° | 640 × 640 | 4/0 | 0.625 × 0.625 |