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Abstract #2277

Classification of signal voids in time-series of diffusion-weighted images of the lower leg by simultaneous MRI and EMG measurements: Initial findings

Martin Schwartz1,2, G√ľnter Steidle1, Petros Martirosian1, Ander Ramos-Murguialday3, Bin Yang2, and Fritz Schick1

1Section on Experimental Radiology, Department of Radiology, University of Tuebingen, Tuebingen, Germany, 2Institute of Signal Processing and System Theory, University of Stuttgart, Stuttgart, Germany, 3Institute for Medical Psychology and Behavioural Neurobiology, University of Tuebingen, Tuebingen, Germany

Diffusion-weighted images of the lower leg have shown to be impaired by signal voids in different muscle groups with unknown underlying physiological processes. For more detailed insight into this topic, simultaneous surface electromyography measurements of the electrical activity of muscles during the MR scan were recorded. A classification of the appeared signal voids in the diffusion-weighted images based on initial findings in the EMG measurements is demonstrated.

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