Table 1. Scan Parameters of Silent MRA and TOF MRA.

Parameter	Silent MRA	TOF MRA
FOV, mm2	200 × 200	117 × 150
Acquisition Matrix	180 × 180	512 × 300
TR/TE, ms	1096/0.016	19/3.0
Flip angle, °	5	15
Bandwidth, kHz	25	50
Slice thickness, mm	1.2	1.2
NEX	1.60	0.85
Acquisition time, minutes:seconds	7:43	5:47

FOV = field of view, MRA = MR angiography, NEX = number of excitations, Silent MRA = MRA using the Silent Scan algorithm, TE = echo time, TOF = time-of-flight, TR = repetition time