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Related Experiment Videos

Functional renal MR imaging: an overview.

Henrik J Michaely1, Steven Sourbron, Olaf Dietrich

  • 1Department of Clinical Radiology, University Hospitals—Grosshadern, Ludwig-Maximilians-University Munich, Marchioninistr.15, 81377, Munich, Germany. Henrik.Michaely@med.uni-muenchen.de

Abdominal Imaging
|December 8, 2006
PubMed
Summary

Functional renal magnetic resonance imaging offers complementary insights beyond standard imaging. This review details advanced techniques like perfusion and diffusion imaging for comprehensive kidney assessment.

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25 years of European Radiology.

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Area of Science:

  • Radiology
  • Medical Imaging
  • Nephrology

Background:

  • Functional renal magnetic resonance imaging (fMRI) is increasingly vital in radiology.
  • It provides information complementary to standard morphological imaging techniques.
  • The field is rapidly expanding, necessitating a comprehensive overview.

Purpose of the Study:

  • To provide a comprehensive overview of state-of-the-art functional renal imaging techniques.
  • To detail technical concepts, applications, and limitations of various fMRI sequences.
  • To highlight the growing importance of renal perfusion imaging in clinical practice.

Main Methods:

  • Overview of renal magnetic resonance angiography.
  • Explanation of first-pass renal perfusion imaging techniques.

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  • Discussion of blood-oxygen-level-dependent (BOLD) imaging and diffusion-weighted imaging (DWI), including diffusion-tensor imaging (DTI).

    • Main Results:

    • Technical concepts for all presented sequences are explained.
    • Emphasis on renal perfusion measurements and postprocessing approaches.
    • Advantages and disadvantages of published functional renal imaging methods are illustrated.

    Conclusions:

    • Functional renal MRI encompasses a range of advanced techniques for kidney assessment.
    • Renal perfusion imaging is becoming a clinical standard, requiring detailed understanding of measurement and postprocessing.
    • Future applications of functional renal imaging are anticipated to expand its clinical utility.