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Abstract #1728

Optimization of Inter-Echo Variance Channel Combination Technique for Susceptibility Weighted Imaging at 3T and 7T

Zahra Hosseini 1 , Junmin Liu 2 , and Maria Drangova 2,3

1 Biomedical Engineering Graduate Program, Western University, London, Ontario, Canada, 2 Imaging Research Laboratories, Robarts Research Institute, London, Ontario, Canada, 3 Medical Biophysics, Western University, London, Ontario, Canada

Susceptibility weighted imaging (SWI) allows for visualization of veins using intrinsic tissue properties. This technique has gained popularity in the clinic in the past decade. SWI requires accurate phase images in order to generate a reliable mask and ultimately good contrast between veins and adjacent structures. Multi-channel acquisition therefore requires a channel combination technique that preserves the quality of the phase image. We present the application of the inter-echo variance channel combination technique for SW imaging and demonstrate single-slice SWI for the first time.

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