Two-point Dixon and six-point Dixon magnetic resonance techniques in the detection, quantification and grading of hepatic steatosis

Table 1 Acquisition parameters for the magnetic resonance sequences

	Two-point Dixon	Six-point Dixon	MRS
TR (ms)	6.68	15.6	3000
TE (ms)	2.39, 4.77	2.38, 4.76, 7.14, 9.52, 11.90, 14.28	12, 24, 36, 48, 72
Flip angle	10°	4°	90°
Matrix size	288 mm × 176 mm	160 mm × 97 mm	N/A1
FOV (mm)	400	450	N/A1
Bandwidth (kHz/pixel)	470	1080	1200
Slice thickness (mm)	3	3.5	N/A1
NSA	1	1	1
Parallel imaging, acceleration factor	CAIPIRINHA 2	CAIPIRINHA 4	-

¹Magnetic resonance spectroscopy was performed on a 30 mm × 30 mm × 30 mm voxel.

FOV: Field of view; NSA: Number of signal averages; MRS: Magnetic resonance spectroscopy; TR: Time to repetition; TE: Time to echo; N/A: Not applicable.