Table 1 Acquisition parameters

FOV (mm³) (AP × RL × FH)

250.5 × 450 × 237.5

120 × 450 × 450

252 × 480 × 200

252 × 480 × 200

252 × 480 × 210

Voxel size (mm³)

0.375 × 0.375 × 2.5

4 × 0.39 × 0.39

1.5 × 1.5 × 2.5

3 × 3 × 5

3 × 3 × 5

Slices

2 × 95

30

80

40

42

Slice orientation

Axial

Coronal

Axial

Axial

Axial

Turbo factor

15

14

–

–

–

Repetition time (ms)

4,969

2,921

8.1

5,914

3,365

Echo time (ms)

70

60

1.35 (Δ TE 1.1)

55

60

Flip angle

90

90

3

90

90

Bandwidth (Hz)

224

245.9

1,430.8

3,064.3

3,058

b-value (s/mm²) (gradient directions)

–

–

–

0 (8 ×), 5 (3 ×), 10 (3 ×), 20 (3 ×), 50 (3 ×), 100 (3 ×), 200 (10 ×), 400 (10 ×), 600 (12 ×)

0 (8 ×), 5 (3 ×), 10 (3 ×), 20 (3 ×), 50 (3 ×), 100 (3 ×), 200 (10 ×), 400 (10 ×), 600 (12 ×)

Fat suppression

–

–

–

SPAIR + GRFS

SPAIR + GRFS

SENSE factor

2

2.8

3 (RL) / 2 (FH)

1.5

1.5

Partial Fourier

–

–

–

0.8

0.8

Number of excitations

1

1.3

3

2

2

Scan time (min:s)

2 × 4:18

4:40

1:53

11:08

6:27^a

6:20

3:40^a