Sodium MR Imaging of Articular Cartilage Pathologies

Štefan Zbýň, Vladimír Mlynárik, Vladimir Juras, Pavol Szomolanyi, Siegfried Trattnig

Research output: Contribution to journalReview articlepeer-review

16 Scopus citations

Abstract

Many studies have proved that noninvasive sodium MR imaging can directly determine the cartilage GAG content, which plays a central role in cartilage homeostasis. New technical developments in the recent decade have helped to transfer this method from in vitro to pre-clinical in vivo studies. Sodium imaging has already been applied for the evaluation of cartilage and repair tissue in patients after various cartilage repair surgery techniques and in patients with osteoarthritis. These studies showed that this technique could be helpful not only for assessment of the cartilage status, but also predictive for osteoarthritis. However, due to the low detectable sodium MR signal in cartilage, sodium imaging is still challenging, and further hardware and software improvements are necessary for translating sodium MR imaging into clinical practice, preferably to 3T MR systems.

Original languageEnglish (US)
Article number41
JournalCurrent Radiology Reports
Volume2
Issue number4
DOIs
StatePublished - Apr 14 2014
Externally publishedYes

Bibliographical note

Funding Information:
Funding support provided by the Austrian Science Fund (FWF) P 25246 B24 and by the Vienna Spots of Excellence of the Vienna Science and Technology Fund (WWTF): Vienna Advanced Imaging Center–VIACLIC FA102A0017.

Publisher Copyright:
© 2014, The Author(s).

Keywords

  • Cartilage
  • Osteoarthritis
  • Repair tissue
  • Sodium MR imaging

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