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Abstract #3205

Towards a definition of the biophysical bases of transient Anomalous Diffusion (tAD) parameters. Evaluation of tAD, DKI and DTI in normal and cancer prostate tissue with Magnetic Resonance micro-imaging at 9.4 Tesla

Maria Giovanna Di Trani1,2, Alessandra Caporale2, Marco Nezzo3, and Silvia Capuani2

1SAIMLAL Dept., Sapienza University of Rome, Rome, Italy, 2CNR-ISC Physics Dept., Sapienza University of Rome, Rome, Italy, 3Diagnostic and Interventional Radiology Dept., Tor Vergata University, Rome, Italy

Since DKI and transient anomalous diffusion imaging (tADI) are based on statistical models, they can be performed without the need of a-priori hypothesis on tissue micro-structures. However, the relation between tissue micro-structure DKI and tADI derived parameters have not been clearly established yet. In this work, we evaluated DKI, tAD and DTI diffusion parameters in normal and high-grade cancer prostate, by MR microimaging at 9.4T with a 70μmx70μm in plane resolution. As prostate tissue is a complex tissue, composed by several micro-compartments that exhibit different diffusion behaviors, it is an ideal tissue to investigate the biophysical features of diffusion parameters.

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