Abstract #5055

Texture features from T2 mapping of talar dome cartilage in normal volunteers and dancers

Hon J. Yu¹, Saya Horiuchi¹, Alex Luk¹, Adam Rudd¹, 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, United States, ³Arts-Dance, University of California, Irvine, CA, United States

This study demonstrates a feasibility of texture analysis based on T2 mapping of the talar-dome cartilage. Some of the investigated texture features showed statistically significant differences between healthy volunteers and ballet dancers that are regional in nature and also very much dependent on how the spatial distribution of T2 pixels is defined during calculation of texture features. More conventional analytic approach, such as comparison based on cartilage-averaged T2 value, failed to show any difference between the groups. The results in this study demonstrate an alternative analytical approach based on texture features as surrogate variables for the evaluation of cartilage properties.

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