Abstract #1060
Fast 1 H-MRSI of the prostate with GOIA-sLASER localization and spiral acquisition
Isabell K. Steinseifer 1 , Bart Philips 1 , Borjan Gagoski 2 , Marnix C. Maas 1 , Elisabeth Weiland 3 , Tom W.J. Scheenen 1 , and Arend Heerschap 1
1
Radiology, Radboud University Medical
Center, Nijmegen, Netherlands,
2
Fetal-Neonatal
Neuroimaging & Developmental Science Center, Boston
Children's Hospital, Harvard Medical School, Boston, MA,
United States,
3
MR
Applications Development, Siemens AG, Healthcare Sector,
Erlangen, Germany
Fast
1
H
MRSI of the prostate was achieved with a semi-LASER
sequence with GOIA-WURST(16,4) refocusing pulses and
spiral k-space sampling. The application of these low RF
power demanding adiabatic pulses reduces the specific
absorption rate so that an endorectal coil can be used
to receive signal. Together with a relative short echo
time of 90ms, a high SNR can be obtained. This can be
translated in a much lower acquisition time, which can
be realized because of the flexibility of spiral k-space
sampling. The new sequence facilitates routine
acquisition of metabolic data for clinical purposes.
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