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 Schwartz^1,2, Günter 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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