Table 2. Scan parameters.
| Parameters | Controls | NMD patients |
|---|---|---|
| TR/TEmin/ΔTE (ms) | 6.4/1.1/0.8 | 10/1.04/0.8 |
| Field of view (FOV) (mm2) | 220×400 | 262×424 |
| Acquisition matrix | 68×150 | 84×211 |
| Acquired slice thickness (mm) | 4 | 8 |
| Reconstructed matrix size | 432×432 | 512×512 |
| Voxel size (mm3) | 3.2×2.2×4 | 3.2×2×4 |
| Number of slices | 63 | 30 |
| Receiver bandwidth (Hz/pixel) | 2,484 | 2,325 |
| Frequency direction | A/P (to minimize breathing artifacts) | A/P (to minimize breathing artifacts) |
| Acceleration | – | SENSE in L/R direction with reduction factor R =2 |
| Navg | 1 | 1 |
| Scan time | 1 min and 25 s per stack | 20 s per stack |
TR, repetition time; TE, echo time; NMD, neuromuscular disease; A/P, anterior/posterior; L/R, left/right; Navg, number of averages; SENSE, sensitivity encoding.