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[Diffusion-weighted MR imaging of the liver].
V Vilgrain1, J-L Daire, R Sinkus
1Université Paris 7 Denis Diderot, Paris, 75018, France. valerie.vilgrain@bjn.aphp.fr
Journal De Radiologie
|May 29, 2010
Summary
Diffusion-weighted imaging (DWI) analyzes water molecule movement for liver imaging. This review covers DWI sequences, optimization, evaluation, and applications like lesion detection and fibrosis quantification.
Area of Science:
- Magnetic Resonance Imaging (MRI)
- Biophysical Measurement Techniques
Context:
- Diffusion-weighted imaging (DWI) has evolved from neuroradiology to routine abdominal, particularly liver, imaging.
- The technique relies on T2 echo-planar sequences with applied diffusion gradients to probe water molecule diffusion.
Purpose:
- To provide a comprehensive review of diffusion-weighted imaging in liver applications.
- To detail the diffusion pulse sequence, parameter optimization, and image evaluation methods (quantitative and qualitative).
Summary:
- The article reviews the technical aspects of DWI sequences for liver imaging.
- Key applications discussed include characterization and detection of focal liver lesions.
- Further applications cover evaluating treatment response and quantifying liver fibrosis.
Impact:
- Enhances understanding of DWI for liver imaging, aiding radiologists and clinicians.
- Facilitates improved diagnostic accuracy for liver lesions and fibrosis assessment.
- Supports personalized treatment strategies through objective response evaluation.
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