A pulse sequence for time-of-flight (TOF) magnetic resonance angiography
(MRA) includes a fatsat segment, a magnetization transfer segment, and a
spatial saturation segment that are applied by an MR apparatus to acquire
MR data for image reconstruction with improved image quality. The pulse
sequence is constructed such that at the beginning of each iteration of
the inner loop of a 3D acquisition, a fatsat pulse is applied. After the
fatsat pulse, MR data is acquired in a series of imaging segments with
well-suppressed fat signal. Effective fat suppression is achieved by
sampling central k-space data first, before signal from fat relaxes back
to a pre-saturation level. Each imaging segment is immediately preceded
by one of a MT pulse or a spatial saturation pulse and immediately
followed by the other one of the MT pulse or the spatial saturation
pulse.