ArticleMagma (New York, N.Y.)2022
Gradient nonlinearity correction in liver DWI using motion-compensated diffusion encoding waveforms.
Article in Magma (New York, N.Y.), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 13 citations in OpenAlex.
- On-Scanner Correction of Gradient Nonlinearity Bias for Accurate Assessment of Diffusion Heterogeneity Across Bone Sites in Myelofibrosis Patients.Magnetic resonance in medicine · 2026Article
- Relevance of lesion size in navigator-triggered and free-breathing diffusion-weighted liver MRI.European radiology · 2025Article
- Partial Fourier in the presence of respiratory motion in prostate diffusion-weighted echo planar imaging.Magma (New York, N.Y.) · 2024Article
- Feature-guided deep learning reduces signal loss and increases lesion CNR in diffusion-weighted imaging of the liver.Zeitschrift fur medizinische Physik · 2024Article
- Retrospective Motion Artifact Reduction by Spatial Scaling of Liver Diffusion-Weighted Images.Tomography (Ann Arbor, Mich.) · 2023Article
- Truly reproducible uniform estimation of the ADC with multi-b diffusion data- Application in prostate diffusion imaging.Magnetic resonance in medicine · 2023Article
- Motion-robust, blood-suppressed, reduced-distortion diffusion MRI of the liver.Magnetic resonance in medicine · 2023Article
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Authors and funding
7 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveTo experimentally characterize the effectiveness of a gradient nonlinearity correction method in removing ADC bias for different motion-compensated diffusion encoding waveforms.
methodsThe diffusion encoding waveforms used were the standard monopolar Stejskal-Tanner pulsed gradient spin echo (pgse) waveform, the symmetric bipolar velocity-compensated waveform (sym-vc), the asymmetric bipolar velocity-compensated waveform (asym-vc) and the asymmetric bipolar partial velocity-compensated waveform (asym-pvc). The effectiveness of the gradient nonlinearity correction method using the spherical harmonic expansion of the gradient coil field was tested with the aforementioned waveforms in a phantom and in four healthy subjects.
resultsThe gradient nonlinearity correction method reduced the ADC bias in the phantom experiments for all used waveforms. The range of the ADC values over a distance of ± 67.2 mm from isocenter reduced from 1.29 × 10
conclusionThe investigated gradient nonlinearity correction method can be used effectively with various motion-compensated diffusion encoding waveforms. In coronal liver DWI, ADC errors caused by motion and residual vessel signal can be increased even further by the gradient nonlinearity correction.
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