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[Improving diffusion-weighted imaging of liver with SENSE technique: a preliminary study]
Masaaki Hori1, Tomoaki Ichikawa, Hironibu Sou
1Department of Radiology, Faculty of Medicine, Yamanashi University. masahori-tky@umin.ac.jp
Nihon Igaku Hoshasen Gakkai Zasshi. Nippon Acta Radiologica
|April 24, 2003
Summary
Sensitivity-encoding (SENSE) magnetic resonance imaging (MRI) significantly improves liver diffusion-weighted imaging (DWI) quality. This technique reduces artifacts and shortens scan times, making liver DWI more clinically useful.
Area of Science:
- Medical Imaging
- Radiology
- Magnetic Resonance Imaging
Background:
- Diffusion-weighted imaging (DWI) is challenging for liver assessment due to technical and physiological issues.
- Artifacts and long acquisition times limit the clinical utility of standard liver DWI.
Purpose of the Study:
- To compare the effectiveness of sensitivity-encoding (SENSE) technique in improving liver DWI.
- To evaluate DWI with SENSE-only and SENSE combined with half-Fourier acquisition.
Main Methods:
- Utilized a 1.5 Tesla MRI unit.
- Acquired liver DWI data using three techniques: without SENSE, with SENSE only, and with SENSE and half-Fourier.
- Compared image quality and artifact levels across the techniques.
Main Results:
- DWI incorporating the SENSE technique demonstrated improved overall imaging quality.
- Fewer artifacts were observed in liver DWI when SENSE was applied.
- SENSE and half-Fourier combination showed particular promise.
Conclusions:
- The SENSE technique enhances liver DWI by reducing artifacts and improving image quality.
- SENSE-accelerated DWI is a promising advancement for clinical liver imaging.
- Further integration of SENSE in liver DWI protocols is recommended.