Abstract #1357

Evaluation of local changes in femoral bone marrow during a mountain ultra-marathon with quantitative MRI

Hoai-Thu Nguyen¹, Thomas Grenier², Benjamin Leporq², Loïc Bey^1,3, Magalie Viallon ^1,3, and Pierre Croisille^1,3

¹Univ Lyon, UJM-Saint-Etienne, INSA-Lyon, Université Claude Bernard Lyon 1, CNRS, Inserm, CREATIS UMR 5220, U1206, F-42023, Saint-Etienne, France, ²Univ Lyon, INSA‐Lyon, Université Claude Bernard Lyon 1, UJM-Saint Etienne, CNRS, Inserm, CREATIS UMR 5220, U1206, F-69621, Villeurbanne, France, ³Department of Radiology, Centre Hospitalier Universitaire de Saint-Etienne, Université Jean-Monnet, Saint-Etienne, France

This study investigates the local changes in femoral bone marrow in a longitudinal MRI dataset of mountain ultra-marathon runners acquired during the Tor des Géants 2014 based on the MRI quantitative metrics with a rigorous statistical analysis procedure. The results highlight the different characteristics of different quantitative metrics that provides multiple insights into the data and open various perspectives for further analysis.

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