Publications by authors named "Tim Schakel"

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Enabling in vivo comparisons of different four-dimensional magnetic resonance imaging sequences for radiotherapy guidance using visual biofeedback.
Katrinus Keijnemans, Tim Schakel, Bastien Lecoeur, Pim T S Borman, William A Hall

Phys Imaging Radiat Oncol· July 2025

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Respiratory navigator-guided multi-slice free-breathing cardiac T mapping on a magnetic resonance-guided linear accelerator.
Beau P Pontré, Stefano Mandija, Manon M N Aubert, Tim Schakel, Osman Akdag

Phys Imaging Radiat Oncol· April 2025

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Repeatability of rectal cancer apparent diffusion coefficient measurements on a 1.5 T MR-linac.
Hidde Eijkelenkamp, Guus Grimbergen, Brigid McDonald, Reijer Rutgers, Tim Schakel

Phys Imaging Radiat Oncol· January 2025

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Towards retrospective motion correction and reconstruction for clinical 3D brain MRI protocols with a reference contrast.
Gabrio Rizzuti, Tim Schakel, Niek R F Huttinga, Jan Willem Dankbaar, Tristan van Leeuwen

MAGMA· October 2024

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Improved delineation with diffusion weighted imaging for laryngeal and hypopharyngeal tumors validated with pathology.
Hilde J G Smits, Cornelis P J Raaijmakers, Mischa de Ridder, Zeno A R Gouw, Patricia A H Doornaert, Tim Schakel

Radiother Oncol· May 2024

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Optimized flip angle schemes for the split acquisition of fast spin-echo signals (SPLICE) sequence and application to diffusion-weighted imaging.
Sofie Rahbek, Tim Schakel, Faisal Mahmood, Kristoffer H Madsen, Marielle E P Philippens

Magn Reson Med· April 2023

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Feasibility of cardiac-synchronized quantitative T and T mapping on a hybrid 1.5 Tesla magnetic resonance imaging and linear accelerator system.
Osman Akdag, Stefano Mandija, Astrid L H M W van Lier, Pim T S Borman, Tim Schakel

Phys Imaging Radiat Oncol· January 2022

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Pushing functional MRI spatial and temporal resolution further: High-density receive arrays combined with shot-selective 2D CAIPIRINHA for 3D echo-planar imaging at 7 T.
Arjan D Hendriks, Federico D'Agata, Luisa Raimondo, Tim Schakel, Liesbeth Geerts

NMR Biomed· May 2020

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Target Volume Delineation Using Diffusion-weighted Imaging for MR-guided Radiotherapy: A Case Series of Laryngeal Cancer Validated by Pathology.
Hans Ligtenberg, Tim Schakel, Jan Willem Dankbaar, Lilian N Ruiter, Boris Peltenburg

Cureus· April 2018

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Evaluation of diffusion weighted imaging for tumor delineation in head-and-neck radiotherapy by comparison with automatically segmented F-fluorodeoxyglucose positron emission tomography.
Tim Schakel, Boris Peltenburg, Jan-Willem Dankbaar, Carlos E Cardenas, Michalis Aristophanous

Phys Imaging Radiat Oncol· January 2018

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Technical Note: Diffusion-weighted MRI with minimal distortion in head-and-neck radiotherapy using a turbo spin echo acquisition method.
Tim Schakel, Johannes M Hoogduin, Chris H J Terhaard, Marielle E P Philippens

Med Phys· August 2017

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Modality-specific target definition for laryngeal and hypopharyngeal cancer on FDG-PET, CT and MRI.
Hans Ligtenberg, Elise Anne Jager, Joana Caldas-Magalhaes, Tim Schakel, Frank A Pameijer

Radiother Oncol· April 2017

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Interobserver variation among pathologists for delineation of tumor on H&E-sections of laryngeal and hypopharyngeal carcinoma. How good is the gold standard?
Elise Anne Jager, Stefan M Willems, Tim Schakel, Nina Kooij, Pieter J Slootweg

Acta Oncol· December 2016

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Validated guidelines for tumor delineation on magnetic resonance imaging for laryngeal and hypopharyngeal cancer.
Elise Anne Jager, Hans Ligtenberg, Joana Caldas-Magalhaes, Tim Schakel, Marielle E Philippens

Acta Oncol· November 2016

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The accuracy of target delineation in laryngeal and hypopharyngeal cancer.
Joana Caldas-Magalhaes, Nina Kooij, Hans Ligtenberg, Elise A Jager, Tim Schakel

Acta Oncol· June 2016

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Inter-observer agreement of MRI-based tumor delineation for preoperative radiotherapy boost in locally advanced rectal cancer.
Johannes Peter Maarten Burbach, Jean-Paul Johannes Kleijnen, Onne Reerink, Enrica Seravalli, Marielle E P Philippens, Tim Schakel

Radiother Oncol· February 2016

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Diffusion weighted MRI in head-and-neck cancer: geometrical accuracy.
Tim Schakel, Johannes M Hoogduin, Chris H J Terhaard, Marielle E P Philippens

Radiother Oncol· December 2013

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MRI to quantify early radiation-induced changes in the salivary glands.
Antonetta C Houweling, Tim Schakel, Cornelis A T van den Berg, Marielle E P Philippens, Judith M Roesink

Radiother Oncol· September 2011

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