ArticleQuantitative imaging in medicine and surgery2019
A fast volumetric 4D-MRI with sub-second frame rate for abdominal motion monitoring and characterization in MRI-guided radiotherapy.
Article in Quantitative imaging in medicine and surgery, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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16 citing papers in PubMed.
- Deducing cardiorespiratory motion of cardiac substructures using a novel 5D-MRI workflow for radiotherapy.Physics in medicine and biology · 2026Article
- Evaluation of a fast-volumetric four-dimensional magnetic resonance imaging technique for abdominal radiotherapy tumor motion management.Quantitative imaging in medicine and surgery · 2025Article
- Internal Target Volume Estimation for Liver Cancer Radiation Therapy Using an Ultra Quality 4-Dimensional Magnetic Resonance Imaging.Advances in radiation oncology · 2025Article
- Dosimetric investigation of multi-parametric 4D-MRI for radiotherapy in liver cancer.Radiation oncology (London, England) · 2025Article
- Artificial intelligence in four-dimensional imaging for motion management in radiation therapy.Artificial intelligence review · 2025Article
- Validating a T1-weighted cine MRI for a 1.5T MR-Linac with temporal resolution appropriate for respiratory motion.Frontiers in oncology · 2025Article
- Free-breathing time-resolved 4D MRI with improved T1-weighting contrast.NMR in biomedicine · 2024Article
- Comparative study of sub-second temporal resolution 4D-MRI and 4D-CT for target motion assessment in a phantom model.Scientific reports · 2023Article
- Real-time 4D MRI using MR signature matching (MRSIGMA) on a 1.5T MR-Linac system.Physics in medicine and biology · 2023Article
- Multi-parametric MRI for radiotherapy simulation.Medical physics · 2023Review
- Transfer-learning is a key ingredient to fast deep learning-based 4D liver MRI reconstruction.Scientific reports · 2023Article
- A dual-supervised deformation estimation model (DDEM) for constructing ultra-quality 4D-MRI based on a commercial low-quality 4D-MRI for liver cancer radiation therapy.Medical physics · 2022Article
- A narrative review of MRI acquisition for MR-guided-radiotherapy in prostate cancer.Quantitative imaging in medicine and surgery · 2022Review
- A review of deep learning-based three-dimensional medical image registration methods.Quantitative imaging in medicine and surgery · 2021Review
- Nonrigid 3D motion estimation at high temporal resolution from prospectively undersampled k-space data using low-rank MR-MOTUS.Magnetic resonance in medicine · 2021Article
- Evaluation of MRI-derived surrogate signals to model respiratory motion.Biomedical physics & engineering express · 2020Article
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5 authors.
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Abstract
backgroundTo propose a fast volumetric 4D-MRI based on 3D pulse sequence acquisition for abdominal motion monitoring and characterization in MRI-guided radiotherapy (MRgRT).
methodsA 3D spoiled gradient echo sequence volumetric interpolated breath-hold examination (VIBE) [repetition time/echo time (TR/TE) =0.53/1.57 ms, flip-angle =5°, receiver bandwidth (RBW) =1,400 Hz/voxel] based 4D-MRI acquisition, accelerated by 4-fold controlled aliasing in parallel imaging results in higher acceleration (CAIPIRINHA), named CAIPIRINHA-VIBE 4D-MRI, was implemented on a 1.5T MRI simulator (MR-sim) and applied for abdominal imaging of nine healthy volunteers under free breathing. One hundred and forty-four dynamics of the entire abdomen volume (56 slices), in total 8,064 (144×56) images with a voxel size of 2.7×2.7×4.0 mm
resultsCAIPIRINHA-VIBE 4D-MRI was successfully conducted in all subjects. CAIPIRINHA-VIBE 4D-MRI exhibited much higher effective volumetric temporal resolution (0.615
conclusionsA fast volumetric 4D-MRI was implemented for abdominal motion monitoring in MRgRT. A sub-second volumetric temporal resolution of 0.615 s, covering the entire abdomen, was demonstrated for respiratory motion monitoring and characterization. This technique holds potentials for MRgRT applications.
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