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Diffusion-weighted imaging outside the brain: Consensus statement from an ISMRM-sponsored workshop
Bachir Taouli1, Ambros J Beer2, Thomas Chenevert3
1Department of Radiology and Translational and Molecular Imaging Institute, Icahn School of Medicine at Mount Sinai, New York, New York, USA.
Abstract:
The significant advances in magnetic resonance imaging (MRI) hardware and software, sequence design, and postprocessing methods have made diffusion-weighted imaging (DWI) an important part of body MRI protocols and have fueled extensive research on quantitative diffusion outside the brain, particularly in the oncologic setting. In this review, we summarize the most up-to-date information on DWI acquisition and clinical applications outside the brain, as discussed in an ISMRM-sponsored symposium held in April 2015. We first introduce recent advances in acquisition, processing, and quality control; then review scientific evidence in major organ systems; and finally describe future directions. J. Magn. Reson. Imaging 2016;44:521-540.
Insights
Diffusion-weighted imaging (DWI) is increasingly vital in body MRI, especially for oncology. This review covers recent DWI advancements and clinical uses outside the brain, offering insights into future research directions.
Area of Science:
- Medical Imaging
- Radiology
- Oncology
Background:
- Diffusion-weighted imaging (DWI) has seen significant hardware, software, and sequence design advancements.
- DWI is now a key component of body MRI protocols.
- Research on quantitative diffusion MRI outside the brain, particularly in oncology, is expanding.
Purpose of the Study:
- To summarize current information on DWI acquisition and clinical applications beyond the brain.
- To present findings from an ISMRM-sponsored symposium on body DWI.
- To outline future research directions in quantitative diffusion imaging.
Main Methods:
- Review of recent advances in DWI acquisition, processing, and quality control.
- Synthesis of scientific evidence for DWI applications across major organ systems.
- Discussion of future trends and research opportunities in body DWI.
Main Results:
- Recent technological improvements enhance DWI utility in body imaging.
- Established and emerging clinical applications of DWI in oncology and other organ systems.
- Identification of key areas for future development in quantitative diffusion MRI.
Conclusions:
- DWI is a rapidly evolving technique with growing importance in non-neurologic MRI.
- Quantitative diffusion MRI holds significant promise for oncologic imaging and beyond.
- Continued research and technological innovation will further expand the role of DWI in clinical practice.