Table 2 Main parameters of each sequence of MRI in the Second Affiliated Hospital of Chongqing Medical University.

From: Multi-sequence magnetic resonance imaging radiomics combined with imaging features predicts the difficulty of HIFU treatment of uterine fibroids

Sequences

Flip angle (deg)

TR (ms)

TE (ms)

Slice thickness (mm)

Spacing between slices

NEX (Number of Excitations)

Acquisition duration (s)

FOV (mm2)

Acquisition matrix

T2WI-FS

160, 160

3600, 4000

90, 105

4, 5

25%, 25%

1, 1

107, 60

320 × 320, 315 × 300

320 × 272, 256 × 205

CE-T1WI

9, 12

3.3, 4.7

1.3, 1.6

2, 4

20%, 20%

1, 1

119, 135

380 × 380, 320 × 320

320 × 240, 320 × 288

DWI

–, –

4400, 5200

53, 72

4, 5

25%, 20%

4, 3

97, 78

300 × 234, 350 × 285

164 × 164, 150 × 123

  1. 3.0 T before comma, 1.5 T after comma.
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