Table 1.
Magnetic resonance imaging protocol in the present study

Parameters Sequence 0.4 T
T1 T2 FLAIR DWI

TR (ms) 391 5698 8720 6000
TE (ms) 13.0 115 100 126.2
Flip angle (degrees) 90 90 90 90
Field of view (mm) 180 180 180 220
Acquisition matrix 256×256 256×256 256×256 256×256
No. of slices 22 22 22 10
Thickness (mm) 3.0 3.0 3.0 5.5
No. of averages 4 4 2 2