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Abstract #3483

Combining Intravoxel Incoherent Motion Model and Reduced FOV for Evaluation of Single Renal Diffusion and Perfusion

CY Wang1, R Zhang2, L Jiang3, R Wang4, XD Zhang4, H Wang3, K Zhao4, LX Jin3, J Zhang1,2, XY Wang1,4, and J Fang1,2

1Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, China, People's Republic of, 2College of Engineering, Peking University, Beijing, China, People's Republic of, 3Philips Healthcare, Suzhou, China, People's Republic of, 4Department of Radiology, Peking University First Hospital, Beijing, China, People's Republic of

The sequence most commonly used in renal DWI is based on single-shot echo-planar imaging (SS-EPI), which is prone to artifacts and distortions related to susceptibility and eddy currents. Reducing these artifacts and distortions in SS-EPI generally requires a reduced field of view (rFOV) in the phase-encoding direction and/or reduced spatial resolution. To resolve these problems, a 2D rFOV-DWI sequence was introduced for imaging and further IVIM modeling. Compared with conventional full-FOV single-shot DWI techniques, rFOV-DWI methods generally produced images of superior quality. With the application of IVIM model, it is possible to evaluate single renal diffusion and perfusion simultaneously.

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