ArticlePhysics and imaging in radiation oncology2022
The effect of respiration-induced target motion on 3D magnetic resonance images used to guide radiotherapy.
Article in Physics and imaging in radiation oncology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Deducing cardiorespiratory motion of cardiac substructures using a novel 5D-MRI workflow for radiotherapy.Physics in medicine and biology · 2026Article
- Balancing dose preservation and treatment efficiency in motion-managed magnetic resonance image-guided radiotherapy of pancreatic cancer.Physics and imaging in radiation oncology · 2026Article
- Effect of respiration-induced motion on a three-dimensional magnetic resonance imaging-based adaptive radiotherapy workflow in a 1.5T magnetic resonance linear accelerator.Quantitative imaging in medicine and surgery · 2025Article
- MR signature matching (MRSIGMA) implementation for true real-time free-breathing volumetric imaging with sub-200 ms latency on an MR-Linac.Magnetic resonance in medicine · 2024Article
- Feasibility of online radial magnetic resonance imaging for adaptive radiotherapy of pancreatic tumors.Physics and imaging in radiation oncology · 2023Article
- Treatment planning evolution: Comparing approaches in photodynamic and radiation therapies.Photochemistry and photobiologyReview
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Authors and funding
5 authors.
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Abstract
Background and purpose: 3D Magnetic Resonance Imaging (MRI) is used in radiation therapy for reference planning and, lately, for adaptive treatments on MR accelerators. This study aimed to investigate the impact of different types of respiratory motion on the apparent target position and extent in such scans. Materials and methods: An MRI motion phantom with a 30 mm diameter target was used to simulate cranial-caudal (CC) motion and imaged at an MR-Linac using a standard clinically released 3D T2w sequence. Scans were acquired for each combination of functions (sin(t), sin Results: Artefacts increased with amplitude and depended on the motion type. Sin(t) and sin Conclusions: In 3D MRI, target motion can change apparent tumour extent and apparent position. The changes increase with motion amplitude and depend on the motion type.
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