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Table 1 Sequence parameters for the 3D gradient echo sequence at 3.0 T and 5.0 T

From: The feasibility of half-dose contrast-enhanced scanning of brain tumours at 5.0 T: a preliminary study

Sequence parameters

3.0 T

5.0 T

TR/TE/TI

7.6/3.3/810 ms

8.1/2.6/940 ms

FOV

220 × 244 mm2

220 × 248 mm2

Matrix size

245 × 272

312 × 352

In-plane resolution

0.90 × 0.90 mm2

0.70 × 0.70 mm2

Slice thickness

0.9 mm

0.7 mm

Flip angle

9°

9°

Number of slices

186

208

Receiver bandwidth

230 Hz/pixel

180 Hz/pixel

Acceleration factor

3.0

3.5

Averages

1

1

Postinjection time

60 s

60 s

Total acquisition duration

204 s

224 s

  1. TR repetition time, TE echo time, TI inversion time, FOV field of view
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BMC Medical Imaging

ISSN: 1471-2342

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