Usefulness of two-point Dixon fat-water separation technique in gadoxetic acid-enhanced liver magnetic resonance imaging

Table 1 Sequence parameters

	Dixon-VIBE	FS-VIBE
Repetition time (ms)	8.88	3.47
Echo time (ms)	2.39/4.77	1.36
Section thickness (mm)	3.5	3.5
Field of view (mm)	380-400 × 300-324	380-400 × 300-324
Flip angle (degree)	10	10
Matrix	320 × 240	320 × 195
Bandwidth (Hz/pixel)	430/490	400
Acquisition time (s)	18	14

FS: Chemically selective fat saturation; VIBE: Volumetric interpolated breath-hold examination.

Table 2 mean ± SD for subjective image scores for Dixon fat-water separation and chemically selective fat saturation

Parameter	FS-VIBE	Dixon-VIBE	P value
Sharpness of tumor	3.22 ± 0.47	2.78 ± 0.47	< 0.0001
Sharpness of vessels	3.20 ± 0.46	2.73 ± 0.49	0.0001
Strength and homogeneity of fat suppression	2.98 ± 0.25	3.6 ± 0.53	< 0.0001
Artifacts	2.98 ± 0.25	2.86 ± 0.35	0.0340

FS: Chemically selective fat saturation; VIBE: Volumetric interpolated breath-hold examination.