Fig. 3.
MRS pulse sequences used for volume selection of the prostate. A PRESS (point resolved spectroscopy) pulse sequence. OVS = slice selection for outer volume suppression. MEGA: frequency selective pulses for Mescher-Garwood spectroscopic suppression. Acq: acquisition. Interpulse timings are indicated [17]. B sLASER pulse sequence. After excitation with a conventional slice selective excitation pulse, the signal is refocused with two pairs of slice-selective low-power adiabatic GOIA refocusing pulses [17]