Abstract #0080

In vivo assessment of T2* in menisci under loading conditions at 3 Tesla: preliminary results

Vladimir Juras^1,2, Lenka Hornakova³, Petr Kubovy³, Daniel Hadraba^3,4, Pavel Stursa⁵, David Gerych³, Pavol Szomolanyi¹, Karel Jelen³, and Siegfried Trattnig^1,6

¹Department of Biomedical Imaging and Image-Guided Therapy, High Field MR Centre, Medical University of Vienna, Vienna, Austria, ²Department of Imaging Methods, Institute for Measurement Science, Bratislava, Slovakia, ³Department of Anatomy and Biomechanics, Faculty Of Physical Education and Sport, Prague, Czech Republic, ⁴Department of Radiology, Hospital na Homolce, Prague, Czech Republic, ⁵Academy of Sciences of the Czech Republic, Prague, Czech Republic, ⁶Christian Doppler Laboratory for Clinical Molecular MR Imaging, Vienna, Austria

Meniscus behavior under loading in vivo has been studied using parametric MR imaging. T2* has been acquired with vTE using very short first TE = 0.8 ms to secure the precise estimation. The knees of the subjects were loaded in situ with custom made compression device and T2* mapping was performed in 5 time points (without loading, and 4 consequent scans under the loading 7 min apart). The increase in T2* was observed in all compartments, significance was found in medial meniscus only. vTE T2* mapping might be a prospective marker for detecting the dynamic response of the meniscal tissue.

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