The compositional difference between ankle and knee cartilage demonstrated by T2 mapping at 7 Tesla MR

Vladimir Juras, Štefan Zbýň, Vladimir Mlynarik, Pavol Szomolanyi, Benedikt Hager, Peter Baer, Ivan Frollo, Siegfried Trattnig

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

Objectives The aim was to systematically compare T2 relaxation times of the knee and ankle cartilage within subjects at 7T. Methods Ten healthy volunteers were examined by 7 Tesla MR using a three-dimensional triple-echo steady state sequence (3D-TESS). The differences between seven cartilage compartments (patella, femur, proximal tibia, and distal tibia and talus in both medial and lateral facet) were analyzed by ANOVA. Results The results showed statistically significantly higher T2 (mean ± standard deviation, in milliseconds) values in patellar (25.8 ± 1.2) and femoral (24.9 ± 1.3) cartilage compared to the tibial (19.2 ± 1) and talar (18.1 ± 0.6 ms) cartilage. The cartilages of the medial and lateral facet in the ankle joint were not significantly different (p > 0.05). Conclusions This is the first study to systematically compare within-subject T2 values in the knee and ankle non-invasively, in vivo. Our results are in agreement with the previous findings demonstrating different biochemical and biomechanical properties between the knee and ankle cartilage.

Original languageEnglish (US)
Pages (from-to)771-777
Number of pages7
JournalEuropean Journal of Radiology
Volume85
Issue number4
DOIs
StatePublished - Apr 1 2016
Externally publishedYes

Keywords

  • 3D-TESS
  • Ankle
  • Cartilage
  • T2 mapping
  • knee

Fingerprint Dive into the research topics of 'The compositional difference between ankle and knee cartilage demonstrated by T2 mapping at 7 Tesla MR'. Together they form a unique fingerprint.

Cite this