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Magnetic Resonance Elastography Methodology for the Evaluation of Tissue Engineered Construct Growth
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[Renal elastography].

Jean-Michel Correas1, Dany Anglicheau2, Jean-Luc Gennisson3

  • 1Université Paris Descartes, Sorbonne Paris, 12, rue de l'École-de-Médecine, 75006 Paris, France; Service de radiologie adultes, hôpital Necker-Enfants-Malades, 149, rue de Sèvres, 75743 Paris cedex 15, France; Institut Langevin, ESPCI Paris, PSL Research University, 1, rue Jussieu, 75005 Paris, France; CNRS UMR 7587, 1, rue Jussieu, 75005 Paris, France; Inserm ERL U-979, 1, rue Jussieu, 75005 Paris, France.

Nephrologie & Therapeutique
|March 16, 2016
PubMed
Summary
This summary is machine-generated.

Renal elastography uses noninvasive techniques to assess kidney fibrosis. While promising for diagnosing chronic kidney disease, challenges like kidney anatomy require further optimization and validation for clinical use.

Keywords:
Chronic kidney diseaseImagerie par ondes de cisaillementInsuffisance rénale chroniqueRenal elastographyRenal stiffnessShear wave elastographyÉlasticité rénaleÉlastographie rénale

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Area of Science:

  • Medical imaging
  • Nephrology
  • Biomedical engineering

Background:

  • Chronic kidney disease (CKD) incidence and mortality are increasing.
  • Noninvasive diagnosis of renal fibrosis is crucial for managing CKD.
  • Liver elastography has proven clinical impact, but direct application to kidneys is challenging.

Purpose of the Study:

  • To explore the potential of renal elastography for noninvasive fibrosis assessment.
  • To identify anatomical and technical challenges in applying elastography to the kidney.
  • To evaluate the current status and future prospects of renal elastography.

Main Methods:

  • Utilizes noninvasive quantitative techniques, including shear-wave elastography.
  • Adapts ultrasound and magnetic resonance imaging principles for renal application.
  • Investigates challenges related to kidney-specific anatomy and physiology.

Main Results:

  • Renal elastography faces complexities due to kidney tissue variation, anisotropy, blood flow, and surrounding fat.
  • Renal stiffness is influenced by factors beyond fibrosis, such as perfusion and hydronephrosis.
  • Potential applications include diagnosing obstruction, tumors, and pseudotumors.

Conclusions:

  • Renal elastography is a promising technique for noninvasive kidney assessment.
  • Significant optimization and validation are needed before routine clinical adoption.
  • It holds potential for diagnosing various renal conditions beyond fibrosis.