Table 1. Imaging parameters.
Sequence | T1WI-FSE sag | T2WI-FSE cor | T2WI-FSE tra | T2WI-FSE sag | T2 map sag |
Repetition (milliseconds, ms) | 500 | 2560 | 3000 | 2300 | 1500 |
Echo time (milliseconds, ms) | 11.5 | 102 | 103.0 | 108.7 | 8.5–67.9 |
Field of view (millimeter, mm) | 24×24 | 24×24 | 16×16 | 24×24 | 20×20 |
Matrix | 320×224 | 320×224 | 320×224 | 320×192 | 256×160 |
Slice thickness (millimeter, mm) | 3 | 3 | 3 | 3 | 3 |
Interslice gap (millimeter, mm) | 0.5 | 0.5 | 0.5 | 0.5 | 0.6 |
Number of slices | 10 | 10 | 10 | 10 | 64 |
Echo trains/slice | 4 | 18 | 19 | 18 | — |
Band width(Kilo hertz, KHz) | 62.50 | 31.25 | 31.25 | 31.25 | 31.25 |
Number of signal-intensity acquision | 2 | 4 | 4 | 6 | 1 |
Examination time | 01:02 | 02:18 | 02:30 | 03:06 | 04:27 |
MR parameters for morphological and quantitative imaging. FSE = fast spin echo; sag = sagittal; tra = transversal; cor = coronal; WI = weighted image.