NDLI: Fat-saturated Diffusion-weighted Imaging of the Rat Pelvis using Three-Dimensional MP-RAGE MR sequence

Content Provider	IEEE Xplore Digital Library
Author	Numano, T. Homma, K. Iwasaki, N. Hyodo, K. Nitta, N.
Copyright Year	2007
Description	Author affiliation: Tokyo Metropolitan Univ., Tokyo (Numano, T.)
Abstract	In this work we report on the development of a novel technique for fat-saturated three-dimensional (3D) diffusion-weighted (DW) MRI sequence based upon 3D magnetization-prepared rapid gradient-echo (3D-MP-RAGE). In order to saturate fat, two kinds of procedures were competed CHESS-DW-3D-MP-RAGE sequence (CHESS -3D-DWI) and DW-3D-MP-WE-RAGE sequence (WE-3D-DWI) " chemical shift selective: CHESS method vs. water-excitation: WE method". The CHESS-3D-DWI sequence and WE-3D-DWI sequence were compared in terms of their degree of fat suppression. In CHESS-3D-DWI sequence a preparation phase with a "CHESS-90degRF-motion probing gradient: MPG-180degRF -MPG-90degRF" pulse-train was used to sensitize the magnetization to fat-saturated diffusion. In contrast, WE-3D- DWI sequence a RAGE-excitation pulse with a "binominal-pulse 1-1 or 1-2-1" was selected to water-excited (fat-saturated) diffusion imaging. These imaging were done during in vivo studies using an animal experiment. From experimental results obtained with a phantom, the effect of diffusion weighting and the effect of fat-saturation were confirmed. Fat-saturation was much better in the WE-3D-DWI sequence than CHESS-3D-DWI sequence. From rat experimental results, fat-saturated diffusion-weighted image data were obtained. This sequence was useful for in vivo imaging.
Starting Page	2038
Ending Page	2041
File Size	443283
Page Count	4
File Format	PDF
ISBN	9781424407873
ISSN	1557170X
DOI	10.1109/IEMBS.2007.4352720
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-08-22
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Pelvis Magnetic resonance imaging In vivo Frequency Bandwidth Magnetic field measurement Magnetization Positron emission tomography Chemicals Diffusion tensor imaging
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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