Table 1 MRI acquisition parameters used for screening and follow-up studies with 1.5 T MRI scanner.

From: Preoperative imaging findings in patients undergoing transcranial magnetic resonance imaging-guided focused ultrasound thalamotomy

Sequences

Slice thickness (mm)

Gap

TR (ms)

TE (ms)

IT (ms)

Matrix

NEX

FOV (cm)

Sagittal T2w FRFSEa

2

0

5269

97

n.a

224 × 224

5

24 × 24

Coronal T2w FRFSEa

2

0

4387

108

n.a

320 × 288

5

24 × 24

Axial T2w FEFSEa

2

0

4380

108

n.a

320 × 288

5

24 × 24

Axial T2w FSE-IRa

2

0

4500

40

300

320 × 288

1

24 × 24

Axial T1w 3D IR BRAVO

1

0

12.4

5.2

450

256 × 256

1

25.6 × 25.6

Sagittal T2w 3D FLAIR Fat Sat

1.2

0

6000

124.6

1866

224 × 224

1

26 × 26

EP-DWI

5

1

7000

Shortest

n.a

128 × 128

1

24 × 24

Axial 3D SWAN

3

0

78.5

50

n.a

288 × 224

1

23 × 23

Axial T1w FSE

5

1

475

Shortest

n.a

256 × 192

2

24 × 24

  1. TR repetition time, TE echo time, TI inversion time, NEX number of excitations, FOV field of view, FRFSE fast recovery fast spin echo, FSE fast spin echo, IR inversion recovery, BRAVO brain volume acquisition, FLAIR Fat Sat fluid-attenuated inversion-recovery with fat signal saturation, EP echo planar, DWI diffusion weighed imaging, SWAN susceptibility-weighted angiography.
  2. aBasal ganglia coverage.
Back to article page