Abstract #2256

Detecting contaminants with long T2 relaxation time at 3 ppm in the human brain using the novel antiphase J difference editing method implemented in proton MRS at 7T

Seyedmorteza Rohani Rankouhi¹, Donghyun Hong¹, and David G. Norris^1,2

¹Erwin L. Hahn Institute for Magnetic Resonance Imaging, Essen, Germany, ²Donders Institute for Brain, Cognition and Behavior, Nijmegen, Netherlands

In proton spectroscopy there are reports of macro-molecules (MM) in mobile form and therefore with long T2 relaxation time in the literature. Using the novel antiphase editing technique, we demonstrate the contribution of such contaminants to J-difference edited spectra at 3ppm, with implications for editing GABA.

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