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Related Concept Videos

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Related Experiment Video

Updated: Aug 4, 2025

Diffusion Tensor Magnetic Resonance Imaging in the Analysis of Neurodegenerative Diseases
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[Quantitative Evaluation of High Reduction Factor Diffusion-weighted Images Using Compressed SENSE].

Atsuki Noji1,2, Yukinori Okada2,3

  • 1Department of Radiology, National Defense Medical College Hospital.

Nihon Hoshasen Gijutsu Gakkai Zasshi
|April 2, 2023
PubMed
Summary
This summary is machine-generated.

Compressed SENSE (EPICS) DWI offers superior image quality and fewer artifacts compared to conventional EPI-SENSE DWI at higher reduction factors. This advanced technique optimizes diffusion-weighted imaging performance.

Keywords:
apparent diffusion coefficient (ADC)compressed sensing (CS)diffusion-weighted imaging (DWI)echo planar imaging (EPI)signal-to-noise ratio (SNR)

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Area of Science:

  • Magnetic Resonance Imaging
  • Diffusion-Weighted Imaging

Context:

  • Diffusion-weighted imaging (DWI) is crucial for various neurological applications.
  • Increasing acceleration in DWI, using higher reduction factors, can lead to image degradation.
  • EPI with compressed SENSE (EPICS) DWI is a novel technique aiming to mitigate these issues.

Purpose:

  • To compare image characteristics of EPICS DWI versus conventional EPI-SENSE DWI at elevated reduction factors.
  • To determine the optimal reduction factor for EPICS DWI acquisition.

Summary:

  • EPICS DWI demonstrated significantly higher signal-to-noise ratio (SNR) and contrast-to-noise ratio (CNR) compared to EPI-SENSE DWI across reduction factors 2-5.
  • EPICS DWI exhibited fewer deployment failure artifacts.
  • Apparent diffusion coefficient (ADC) values were slightly lower in EPICS DWI at higher reduction factors (3-5).

Impact:

  • EPICS DWI proves effective in reducing image artifacts and degradation in high-acceleration DWI.
  • This technique enhances the reliability and quality of DWI, particularly at higher reduction factors.
  • Potential for improved diagnostic accuracy in clinical applications utilizing accelerated DWI.