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Abstract #7972

Diffusion Weighted Imaging & Applications

Rita G Nunes1

1Institute for Systems and Robotics / Department of Bioengineering, Instituto Superior T├ęcnico, University of Lisbon, Lisbon, Portugal

Diffusion-weighted imaging (DWI) makes use of molecular water motion to probe tissue microstructure. This lecture will focus on the basic principles of DWI acquisition. After introducing the most commonly used diffusion modules, the main acquisition challenges will be discussed. Typical acquisition approaches will be presented, including single-shot and multi-shot sequences. Examples of frequent DWI image artefacts will be shown, and some of the approaches available for minimizing or correcting for their effect will be presented. The main applications of DWI to brain and body imaging will also be presented, focusing on stroke and lesion characterization.

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