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Abstract #2646

Quality Assurance for Diffusion Tensor Imaging Using ACR Phantom: Comparative Analysis with 6, 15 and 32 Directions at 1.5T and 3.0T MRI Systems

Jung-Hoon Lee 1,2 , Sang-Young Kim 1 , Do-Wan Lee 1 , Jin-Young Jung 1 , Kyu-Ho Song 1 , and Bo-Young Choe 1

1 Department of Biomedical Engineering, Research Institute of Biomedical Engineering, College of Medicine, The Catholic University of Korea, Seoul, Seoul, Korea, 2 Department of Radiology, Kyunghee Medical Center, Seoul, Seoul, Korea

We evaluated geometric accuracy, slice position accuracy, image intensity uniformity, percent-signal ghosting and, low-contrast object detectability provided by ACR Guidance as well as image distortion, ADC and FA values measured with 6, 15, and 32 directions at 1.5T and 3.0T MR systems.

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