Skip to main content

Table 1 Parameters of the main MRI sequences

From: Automatic segmentation of hepatic metastases on DWI images based on a deep learning method: assessment of tumor treatment response according to the RECIST 1.1 criteria

Parameters

Achieva, Philips

Discovery GE

Intera, Philips

Sequences

T2WI

DWI

DCE

T2WI

DWI

DCE

T2WI

DWI

DCE

Repetition time (ms)

2640

4250

6.7

2520

4000

3.9

2765

4959

7.5

Echo time (ms)

100

76

2.4

95

60

2.0

87

78

2.4

Flip angle (degree)

-

-

10

-

-

13

-

-

13

Field of view (mm)

280 × 220

280 × 220

400 × 400

250 × 200

250 × 200

450 × 360

250 × 200

250 × 200

450 × 350

Matrix size

156 × 180

156 × 180

280 × 180

256 × 256

256 × 256

288 × 192

240 × 240

240 × 240

320 × 200

Section thickness (mm)

4

4

3

5

5

3

4

4

2

Intersection gap (mm)

1

1

0

1

1

0

1

1

0

b-values (s/mm2)

-

1000

-

-

1400

-

-

1400

-

  1. DCE Dynamic contrast-enhanced, DWI Diffusion weighted imaging, T1WI T1-weighted imaging, T2WI T1-weighted imaging