Intrafraction motion management with MR-guided radiation therapy

MF Fast, M Cao, P Parikh, JJ Sonke - Seminars in radiation oncology, 2024 - Elsevier
High quality radiation therapy requires highly accurate and precise dose delivery. MR-
guided radiotherapy (MRgRT), integrating an MRI scanner with a linear accelerator, offers …

MRI of kidney size matters

T Niendorf, T Gladytz, K Cantow, T Klein… - … Resonance Materials in …, 2024 - Springer
Objective To highlight progress and opportunities of measuring kidney size with MRI, and to
inspire research into resolving the remaining methodological gaps and unanswered …

A hybrid 2D/4D‐MRI methodology using simultaneous multislice imaging for radiotherapy guidance

K Keijnemans, PTS Borman, P Uijtewaal… - Medical …, 2022 - Wiley Online Library
Purpose Respiratory motion management is important in abdominothoracic radiotherapy.
Fast imaging of the tumor can facilitate multileaf collimator (MLC) tracking that allows for …

Real time volumetric MRI for 3D motion tracking via geometry‐informed deep learning

L Liu, L Shen, A Johansson, JM Balter, Y Cao… - Medical …, 2022 - Wiley Online Library
Purpose To develop a geometry‐informed deep learning framework for volumetric MRI with
sub‐second acquisition time in support of 3D motion tracking, which is highly desirable for …

Modeling linear accelerator (Linac) beam data by implicit neural representation learning for commissioning and quality assurance applications

L Liu, L Shen, Y Yang, E Schüler, W Zhao… - Medical …, 2023 - Wiley Online Library
Abstract Background Linear accelerator (Linac) beam data commissioning and quality
assurance (QA) play a vital role in accurate radiation treatment delivery and entail a large …

Very fast digital 2D rigid motion estimation directly on continuous k-space data using an RNN

M Krusen, F Ernst - Biomedical Signal Processing and Control, 2024 - Elsevier
Objective: Motion of the target during radiotherapy negatively impacts the effectiveness and
can cause damage to nearby tissue. MRI offers great soft-tissue contrast to visualize the …

Real-time prediction of stomach motions based upon gastric contraction and breathing models

Y Zhang, Y Cao, R Kashani… - Physics in Medicine & …, 2022 - iopscience.iop.org
Objective. Precision radiation therapy requires managing motions of organs at risk that occur
during treatment. While methods have been developed for real-time respiratory motion …

Modeling of artificial intelligence-based respiratory motion prediction in MRI-guided radiotherapy: a review

X Zhang, D Yan, H Xiao, R Zhong - Radiation Oncology, 2024 - Springer
The advancement of precision radiotherapy techniques, such as volumetric modulated arc
therapy (VMAT), stereotactic body radiotherapy (SBRT), and particle therapy, highlights the …

Volumetric MRI with sparse sampling for MR‐guided 3D motion tracking via sparse prior‐augmented implicit neural representation learning

L Liu, L Shen, A Johansson, JM Balter, Y Cao… - Medical …, 2024 - Wiley Online Library
Background Volumetric reconstruction of magnetic resonance imaging (MRI) from sparse
samples is desirable for 3D motion tracking and promises to improve magnetic resonance …

Real-time MR-based 3D motion monitoring using raw k-space data

M Krusen, F Ernst - Medical Imaging with Deep Learning, 2024 - openreview.net
Due to its great soft-tissue contrast and non-invasive nature, magnetic resonance imaging
(MRI) is uniquely qualified for motion monitoring during radiotherapy. However, real-time …