Abstract #4982

On the influence of two coexisting species of susceptibility-producing structures on the R2’ relaxation rate: the static dephasing regime and diffusion effects

Julian Emmerich^1,2 and Sina Straub¹

¹Medical Physics in Radiology, German Cancer Research Center (DKFZ), Heidelberg, Germany, ²Faculty of Physics and Astronomy, Heidelberg University, Heidelberg, Germany

In this work, we examine the effect of two different species of susceptibility producing-structures within one voxel to deduce whether the relaxation rate is proportional to the sum of the absolute product between volume fraction and susceptibility value. Furthermore, the effect of diffusion on the R₂’ relaxation rate beyond the static dephasing regime is analyzed.

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