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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