Abstract #2894
Effects of maximal b value and sampling interval on water displacement profile in q-space imaging
Ping-Huei Tsai 1,2 , Hua-Shan Liu 2,3 , Hsiao-Wen Chung 4 , Chia-Feng Lu 2 , Fei-Ting Hsu 2 , Li-Chun Hsieh 2 , and Cheng-Yu Chen 1,2
1
Department of Radiology, School of Medicine,
College of Medicine, Taipei Medical University, Taipei,
Taiwan,
2
Imaging
Research Center and Department of Medical Imaging,
Taipei Medical University Hospital, Taipei Medical
University, Taipei, Taiwan,
3
Graduate
Institute of Clinical Medicine, Taipei Medical
University, Taipei, Taiwan,
4
Graduate
Institute of Biomedical Electronics and Bioinformatics,
National Taiwan University, Taipei, Taiwan
q-space imaging (QSI) is an advanced diffusion-weighted
imaging technique to explore the water displacement
profile. The purpose of this study is to assess the
effects of maximal b value and sampling interval on
water displacement profile in simulation and validate it
in clinical application of the brain. Our preliminary
finding demonstrated that the proposed sampling pattern
provides an alternative to obtain QSI images and
reliable MD and ZDP measurements with a shorter
acquisition time, which may be helpful in the
implementation of in vivo brain q-space imaging in
clinical application.
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