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Analysis Protocol for Renal Sodium (23Na) MR Imaging

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  • James T Grist, Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, United Kingdom.
  • ,
  • Esben Søvsø Szocska Hansen
  • Frank G Zöllner, Computer Assisted Clinical Medicine, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany.
  • ,
  • Christoffer Laustsen

The signal acquired in sodium (23Na) MR imaging is proportional to the concentration of sodium in a voxel, and it is possible to convert between the two using external calibration phantoms. Postprocessing, and subsequent analysis, of sodium renal images is a simple task that can be performed with readily available software. Here we describe the process of conversion between sodium signal and concentration, estimation of the corticomedullary sodium gradient and the procedure used for quadrupolar relaxation analysis.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 analysis protocol chapter is complemented by two separate chapters describing the basic concept and experimental procedure.

OriginalsprogEngelsk
TitelPreclinical MRI of the Kidney : Methods in Molecular Biology
Antal sider8
UdgivelsesstedNew York
ForlagSpringer
Udgivelsesårjan. 2021
Sider689-696
ISBN (trykt)978-1-0716-0977-4
ISBN (Elektronisk)978-1-0716-0978-1
DOI
StatusUdgivet - jan. 2021
SerietitelMethods in Molecular Biology
Vol/bind2216
ISSN1064-3745

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