Abstract #0208
Real-time tool to forecast the adequacy of shim and to define the number of acquisitions needed to answer the clinical question at hand with the prescribed 1H MR spectroscopy exam
Sreenath Pruthviraj Kyathanahally 1 and Roland Kreis 1
1
Depts. Radiology and Clinical Research,
University Bern, Bern, Switzerland
Presently, the spectral quality in 1H MRS can only be
determined after performing the time-consuming part of
the exam, i.e. the recording of the water-suppressed
spectrum. In clinical routine, there is often no time to
re-record a spectrum if it turns out to be of bad
quality. Therefore, we have developed a tool to forecast
the spectral quality and to judge the adequacy of the
achieved shim and proposed number of scans using a
single-shot non-water-suppressed spectrum. To test, we
acquired in vivo brain spectra and compared the forecast
with the actual errors found by LCModel and jMRUI-QUEST.
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