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Abstract #4996

Normalized STEAM-based DTI parameters allow robust assessment of muscle tears in football players.

Chiara Giraudo1, Stanislav Motyka1, Michael Weber2, Manuela Karner1, Christoph Resinger3, Siegfried Trattnig1, and Wolfgang Bogner1

1Department of Biomedical Imaging and Image-guided Therapy-MR Centre of Excellence, Medical University of Vienna, Vienna, Austria, 2Department of Biomedical Imaging and Image-guided Therapy, Medical University of Vienna, Vienna, Austria, 3Orthopedic Department, Evangelisches Krankenhaus Wien, Vienna, Austria

STEAM-based DTI was applied to investigate lower limbs’ muscle tears in athletes using the contralateral muscles as reference.To account for possible physiological differences in DTI metrics between right and left limb, a ratio between two ROIs on the injured side (i.e.,one on the tear and one on a healthy area) and two ROIs on the contralateral limb (i.e.,both on healthy areas) was used. The ratio showed that structural changes, expressed by modifications in MD, FA, RD, fibers’ number and length, occur in muscle tears and are quantifiable by DTI.These findings are expected to improve the therapeutic management of muscle injuries.

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