Table 4 MRI protocol

Sequence order in protocol

Tra 1, Cor 4 and Sag 5

2

3

Primary field of application

Target definition support

sCT-generation

GFM-definition

Target definition

Risk organ definition

GFM-identification

Scan sequence

2D - Periodically Rotated Overlapping Parallel Lines with Enhanced Reconstruction

2D Fast Recovery Fast Spin Echo

2D Multi-Echo Fast Gradient Echo

Slice orientation

Tra, Cor, Sag

Tra

Tra

Frequence encoding direction

–

Right-Left

Anterior-Posterior

Field of view (frequency encoding direction) (cm)

22

44.8

24

Field of view (phase encoding direction) (cm)

22

31.4

24

Matrix size (frequency encoding direction)

352

640

164

Matrix size (phase encoding direction)

352

512

164

Scan pixel size (frequency encoding direction) (mm)

0.63

0.7

1.46

Scan pixel size (phase encoding direction) (mm)

0.63

0.61

1.46

Reconstructed pixel size (frequency encoding direction) (mm)

0.43

0.44

0.47

Reconstructed pixel size (phase encoding direction) (mm)

0.43

0.44

0.47

Bandwidth per pixel (Hz)

473

390

508

Acqusition time

04:43, 04:17, 03:19

07:00

05:36

Slice thickness (mm)

2.8, 3, 3

2.5

2.8

Slice gap (mm)

0

0

0

Repetition time (ms)

9151, 8293, 7381

15,000

1000

Number of slices

32, 29, 23

88

34

Echo time (ms)

96, 96, 109

96

2.38–23.6

Inter-echo time

–

–

3.03 ms

Refocusing flip angle (deg)

120

130

–

Echo train length

28, 28, 32

15

–

Number of averages

2.10, 2, 2

1

2

Number of echoes

1

1

8

Intensity correction

Yes (SCIC)

Yes (SCIC)

Yes (SCIC)

Intensity filter

–

None

None

3D geometry correction

Not available

Yes

Yes

Shimming

Yes (Auto)

Yes (Auto)

Yes (Auto)

Flow compensation direction

–

Slice direction

–

RF transmit mode

Multi transmit

Multi transmit

Multi transmit