Abstract #2862
Perfusion fraction tensor imaging of the kidney
Fabian Hilbert 1 , Simon Veldhoen 1 , Tobias Wech 1 , Henning Neubauer 1 , Thorsten Bley 1 , and Herbert Kstler 1
1
Departement of Radiology, University of
Wrzburg, Wrzburg, Germany
The commonly used model of Intravoxel incoherent motion
(IVIM) implies an isotropic perfusion fraction f.
Diffusion tensor imaging (DTI) describes anisotropy in
the diffusion. A simple combination of IVIM and DTI
still cannot distinguish isotropic from anisotropic
perfusion fraction. We propose a perfusion fraction
tensor model in combination with IVIM-DTI. The presented
model is compared to an isotropic perfusion model in the
kidney using Akaikes information criterion. Six healthy
volunteers have been examined. In large part cortex and
medulla are described equally or better by the perfusion
fraction tensor model than by the isotropic perfusion
fraction model.
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