CEST Peak Extraction method for multi peak fitting
Mitsuharu Miyoshi 1 , Tsuyoshi Matsuda 1 , and Hiroyuki Kabasawa 1
Global MR Application and Workflow, GE
Healthcare Japan, Hino, Tokyo, Japan
MTR asymmetry is often used as a CEST parameter.
However, it is influenced by other Z-spectrum peaks or
high B1 of preparation RF pulse. In this study, CEST
Peak Extraction method was defined and multi peak
fitting was tried with a phantom. CEST peak could be
fitted with Lorentzian function. B0 inhomogeneity, CEST
peak width and peak area were calculated with raw egg
white phantom. As a CEST parameter, CEST peak area was
better than MTR asymmetry.
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