| 摘要 |
The invention relates to a method of MR imaging of at least a portion of a body (10) of a patient placed in an examination volume of a MR device (1). The method comprises the steps of: -subjecting the portion of the body (10) to a first imaging sequence for acquiring a first signal data set (31, 32) from a central portion of k-space, wherein magnetic resonance is excited by means of RF pulses having a large flip angle (alpha1); -subjecting the portion of the body (10) to a second imaging sequence for acquiring a second signal data set (33, 34) from the central portion of k-space, wherein magnetic resonance is excited by means of RF pulses having a small flip angle (alpha2); -subjecting the portion of the body (10) to a third imaging sequence for acquiring a third signal data set (35, 36) at least from a peripheral portion of k-space, wherein magnetic resonance is excited by means of RF pulses having an intermediate flip angle (alpha 3); -reconstructing a first MR image (37) from a combination of the first signal data set (31, 32) and the third signal data set (35, 36) and -reconstructing a second MR image (38) from a combination of the second signal data set (33, 34) and the third signal data set (35, 36).
|
