Table 2.
Trial imaging protocol
| Sequence | Purpose | Flip angle, TE, TR / ms |
Parallel imaging factor | Other | Matrixa | FOV / cm |
|---|---|---|---|---|---|---|
| TSE 2D Turbo spin-echo |
High resolution T 2W for tumour outlining | 150°
96, 3890 |
None | ETL 13 | 256 × 256 x 20 | Limb: 25 × 25 x 10 Trunk: 38.6 × 38.6 x 10 |
| EPI 2D Echoplanar imaging |
Diffusion-weighted imaging | - 103, 1,2100 |
2 AP | EPI factor 128, B = 0, 50, 100, 150, 200, 500, 1000 s/mm2 |
128 × 128 x 20 | |
| SRTFE 3D Saturation-recovery turbo field echo |
T1 measurement | 12°
1.52 64, 142, 292, 1050, 2550, 3950 |
2 AP | TI = 37, 100, 250, 1000, 2500, 3900 ms | ||
| VIBE 3D Volume-interpolated breath-hold imaging |
Dynamic contrast-enhanced imaging | 16°
0.81, 2.63 |
2 AP | Temporal resolution 1.75 s, 150 dynamics |
TE, echo time; TR, repetition time; TI, inversion time; FOV, field of view; 2D, two-dimensional; 3D, three-dimensional.
a
In one case, 26 slices were needed to cover the tumour, leading to a dynamic temporal resolution of 3.2 s, and TR values for the SRTFE of 73, 145, 306, 1060, 2560, and 3960 ms.