Joint radial trajectory correction for accelerated T2* mapping on an MR‐Linac

W Bano, W Holmes, R Goodburn… - Medical …, 2023 - Wiley Online Library
Background T2* mapping can characterize tumor hypoxia, which may be associated with
resistance to therapy. Acquiring T2* maps during MR‐guided radiotherapy could inform …

Head-and-Neck MRI-only radiotherapy treatment planning: From acquisition in treatment position to pseudo-CT generation

A Largent, L Marage, I Gicquiau, JC Nunes… - Cancer …, 2020 - Elsevier
Purpose In context of head-and-neck radiotherapy, this study aims to compare MR image
quality according to diagnostic (DIAG) and radiotherapy (RT) setups; and to optimise an MRI …

Generation of synthetic CT images from MRI for treatment planning and patient positioning using a 3-channel U-net trained on sagittal images

D Gupta, M Kim, KA Vineberg, JM Balter - Frontiers in oncology, 2019 - frontiersin.org
A novel deep learning architecture was explored to create synthetic CT (MRCT) images that
preserve soft tissue contrast necessary for support of patient positioning in Radiation …

Synthetic MRI-aided multi-organ segmentation in head-and-neck cone beam CT

X Dai, Y Lei, T Wang, J Zhou… - Medical Imaging …, 2021 - spiedigitallibrary.org
Adaptive radiotherapy has been proposed to handle with the inter-and intra-fractional
uncertainties of patient motion and anatomical changes, in which, treatment re-planning is in …

Comprehensive quantitative evaluation of variability in magnetic resonance-guided delineation of oropharyngeal gross tumor volumes and high-risk clinical target …

CE Cardenas, SE Blinde, ASR Mohamed, SP Ng… - International Journal of …, 2022 - Elsevier
Purpose Tumor and target volume manual delineation remains a challenging task in head
and neck cancer radiation therapy. The purpose of this study was to conduct a multi …

MR-guided adaptive radiotherapy for OAR sparing in head and neck cancers

SL Mulder, J Heukelom, BA McDonald, L Van Dijk… - Cancers, 2022 - mdpi.com
Simple Summary Normal tissue toxicities in head and neck cancer persist as a cause of
decreased quality of life and are associated with poorer treatment outcomes. The aim of this …

Adaptive biological image-guided IMRT with anatomic and functional imaging in pharyngo-laryngeal tumors: impact on target volume delineation and dose distribution …

X Geets, M Tomsej, JA Lee, T Duprez, E Coche… - Radiotherapy and …, 2007 - Elsevier
BACKGROUND AND PURPOSE: Adaptive image-guided IMRT appears to be a promising
approach for dose escalation in pharyngo-laryngeal tumors. In this framework, we assessed …

Implementing on-line MR-Linac adaptive radiation therapy for head and neck: learning from what we can see

S Sabaratnam, S Binda, A Carty, D Yu… - Journal of Medical …, 2022 - jmirs.org
Aim: Head and Neck cancer (HNC) is an indication where patients may benefit from
treatment on an MRI integrated linear accelerator (MRL) with the superior soft tissue imaging …

[HTML][HTML] Intensity standardization methods in magnetic resonance imaging of head and neck cancer

KA Wahid, R He, BA McDonald, BM Anderson… - Physics and imaging in …, 2021 - Elsevier
Abstract Background and Purpose Conventional magnetic resonance imaging (MRI) poses
challenges in quantitative analysis because voxel intensity values lack physical meaning …

[HTML][HTML] Harmonisation of scanner-dependent contrast variations in magnetic resonance imaging for radiation oncology, using style-blind auto-encoders

K Fatania, A Clark, R Frood, A Scarsbrook… - Physics and Imaging in …, 2022 - Elsevier
Abstract Background and purpose Magnetic Resonance Imaging (MRI) exhibits scanner
dependent contrast, which limits generalisability of radiomics and machine-learning for …