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Table 1 Imaging parameters of pre- and post-contrast conventional MRI sequences

From: Differentiating primary central nervous system lymphoma from glioblastoma by time-dependent diffusion using oscillating gradient

 

Precontrast 2D T1-weighted imaging

2D T2-weighted imaging

2D fluid-attenuated inversion recovery imaging

3D susceptibility-weighted imaging

Postcontrast

2D T1-weighted imaging

Sequence

2D SE

2D TSE

2D IR-TSE

3D FLASH

2D SE

TR (ms)

520

4000

9000

28

520

TE (ms)

12

91

121

20

12

TI (ms)

N/A

N/A

2530

N/A

N/A

FA (degree)

70/180

150

120

15

70/180

Bandwidth (Hz/pixel)

181

199

130

120

181

Number of excitations

1

1

1

1

1

Turbo factor

N/A

9

25

N/A

N/A

Acceleration factor

N/A

2

2

2

N/A

FOV (mm)

230

230

230

230

230

Matrix

269 × 384

380 × 448

307 × 384

240 × 320

269 × 384

Thickness (mm)

5

5

5

2.5

5

Intersection gap (mm)

1

1

1

N/A

1

Acquisition time (s)

148

80

126

174

148

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Cancer Imaging

ISSN: 1470-7330

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