Abstract #5106

Comparison of T2 and T1rho mapping of ankle cartilage between young healthy females and dancers

Hon J. Yu¹, Alex Luk¹, Jimmy Ton¹, Edward Kuoy¹, Jeff Russell², Kelli Sharp³, and Hiroshi Yoshioka¹

¹Radiological Sciences, University of California, Irvine, CA, United States, ²Science and Health in Artistic Performance, Ohio University, Athens, OH, ³Arts-Dance, University of California, Irvine, CA, United States

This study demonstrates an angular-dependent T2 and T1ρ profile of talar dome cartilage at 3T using novel angular-segmentation methodology for the potential of quantitative functional assessment of cartilage in vivo. The results in this study indicate T2 values over the posterior weight-bearing portion were higher in young dancers than age-matched healthy volunteers even though cartilage thickness and volumes were not significantly different between two cohorts.

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