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. 2021:2216:419-428.
doi: 10.1007/978-1-0716-0978-1_24.

Renal MRI Diffusion: Experimental Protocol

João S Periquito  1 , Martin Meier  2 , Thoralf Niendorf  3 , Andreas Pohlmann  3   4 , Neil Peter Jerome  5
Affiliations

Renal MRI Diffusion: Experimental Protocol

João S Periquito et al. Methods Mol Biol. 2021.

Abstract

Renal diffusion-weighted imaging (DWI) can be used to obtain information on the microstructure of kidney tissue, and has the potential to provide MR-biomarkers for functional renal imaging. Here we describe in a step-by-step experimental protocol the MRI method for measuring renal diffusion coefficients in rodents using ADC or IVIM models. Both methods provide quantification of renal diffusion coefficients; however, IVIM, a more complex model, allows for the calculation of the pseudodiffusion and fraction introduced by tissue vascular and tubular components. DWI provides information of renal microstructure contributing to the understanding of the physiology and the underlying processes that precede the beginning of pathologies.This chapter is based upon work from the COST Action PARENCHIMA, a community-driven network funded by the European Cooperation in Science and Technology (COST) program of the European Union, which aims to improve the reproducibility and standardization of renal MRI biomarkers. This experimental protocol chapter is complemented by two separate chapters describing the basic concept and data analysis.

Keywords: ADC; Diffusion; IVIM; Kidney; Magnetic resonance imaging (MRI); Mice; Rats.

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