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Abstract #1028

Capability of Diffusion-Weighted Stimulated-Echo Imaging to Visualize Spontaneous Muscular Activities in Resting Musculature

Martin Schwartz1,2, Petros Martirosian1, Guenter Steidle1, Thorsten Feiweier3, Bin Yang2, and Fritz Schick1
1Section on Experimental Radiology, University Hospital of Tuebingen, Tuebingen, Germany, 2Institute of Signal Processing and System Theory, University of Stuttgart, Stuttgart, Germany, 3Siemens Healthcare GmbH, Erlangen, Germany


Visualization of spontaneous mechanical activities in resting musculature using diffusion-weighted stimulated-echo imaging is highly depending on the sequence parameter settings as well as on the physiological parameters of the muscular contraction. Therefore, a concept for estimation of the visualization probability by using two contraction models is given in this work. Furthermore, the proposed concept is validated using diffusion-weighted measurements with varying diffusion-sensitizing times. The determined visualization probability is in good accordance to the relative number of visible spontaneous mechanical activities in the resting lower leg musculature.

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