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Table 1 Imaging parameters of 3D GRE and TSE sequence of two centers

From: Deep learning-based metastasis detection in patients with lung cancer to enhance reproducibility and reduce workload in brain metastasis screening with MRI: a multi-center study

 

Site 1

Site 2

Technique

GRE

TSE

GRE

TSE

TR (msec)

9.8

600

5.9–8.6

500

TE (msec)

4.6

28.4

2.8–4.7

28.9–30

Flip angle (degrees)

8

90

8

90

FOV (mm2)

240 × 240

240 × 240

240 × 240

240 × 240

Acquisition matrix

512 × 512

512 × 512

240 × 240

240 × 240

Voxel size (mm)

0.5 × 0.5 × 0.5

0.5 × 0.5 × 0.5

1 × 1 × 1

1 × 1 × 1

Slice thickness (mm)

1

1

1

1

Number of excitations

2

1

2

1

Acquisition plane

Sagittal

Sagittal

Sagittal

Sagittal

  1. Note GRE = gradient-echo; TSE = turbo spin echo; TR = repetition time; TE = echo time; FOV = field of view
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Cancer Imaging

ISSN: 1470-7330

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