Disclosed in the present invention are a rapid magnetic-sensitive weighted imaging scanning sequence and method, relating to the technical field of magnetic resonance imaging; in the RO direction of a 3D double-echo steady-state free precession sequence, increasing the area of a read-out pre-dispersion phase gradient, such that a PSIF echo is located before an FISP echo, and the two echoes therefore both have stronger magnetic-sensitive weighting; using the improved sequence to acquire K space data of the PSIF and FISP echoes and respectively reconstructing complex images of the two echoes, merging the two complex images and, after processing, obtaining a magnetic-sensitive weighted image. The phase of the merged image is the phase difference of the two complex images. By means of improving an existing 3D double-echo steady-state free precession sequence, the technical solution provided in the present invention can greatly reduce magnetic resonance scanning time whilst ensuring imaging quality, thereby increasing the comfort of the patient, and decreasing the likelihood of motion artifacts occurring in the reconstructed images.
RAPID MAGNETIC-SENSITIVE WEIGHTED IMAGING SCANNING SEQUENCE AND METHOD