Prostate MRSI with reduced acquisition time and improved multichannel spectral processing
Jong Bum Son1, Sooyoung Shin1, Ralph Noeske2, Ersin Bayram3, Jingfei Ma1, and Haesun Choi1
1The University of Texas MD Anderson Cancer Center, Houston, TX, United States, 2GE Healthcare Technologies, Potsdam, Germany, 3GE Healthcare Technologies, Waukesha, WI, United States
Prostate MR spectroscopic imaging (MRSI) is
limited with long acquisition time and need for an endorectal coil. Using an
acquisition-weighted spectroscopic imaging sequence with an odd symmetric
sampling scheme and a sorted singular value decomposition method for spectral
processing of data from a multiple receive channels, we demonstrated that in
vivo prostate MRSI can be performed at 3T in a substantially reduced scan time
and without using an endorectal coil. Our proposed technique has the potential
to help substantially expand the clinical use of prostate MRSI.
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