Results 41 to 50 of about 649,932 (223)

Evaluation of plan quality in radiotherapy planning with an MR-linac

Physics and Imaging in Radiation Oncology, 2019
Background & purpose: Clinical introduction of magnetic resonance (MR)-guided radiotherapy involves treatment planning while taking into account machine-specific characteristics.
Agustinus J.A.J. van de Schoot, Wouter van den Wollenberg, Casper Carbaat, Peter de Ruiter, Marlies E. Nowee, Floris Pos, Baukelien van Triest, Jan-Jakob Sonke, Tomas M. Janssen   +8 more
doaj   +1 more source

Introduction of radiation therapist‐led adaptive treatments on a 1.5 T MR‐Linac

Journal of Medical Radiation Sciences, 2023
The introduction of magnetic resonance (MR) linear accelerators (MR‐Linac) marks the beginning of a new era in radiotherapy. MR‐Linac systems are currently being operated by teams of radiation therapists (RTs), radiation oncology medical physicists ...
Maddison Picton, David Crawford, Michael Jameson, Stacy Alvares, Louise Hogan, Conrad Loo, Zoe Moutrie, Urszula Jelen, Claire Pagulayan, Nicolle Dunkerley, Tania Twentyman, Jeremy deLeon, Vikneswary Batumalai   +12 more
doaj   +1 more source

Analysis of data to Advance Personalised Therapy with MR-Linac (ADAPT-MRL)

Clinical and Translational Radiation Oncology, 2021
Background: Analysis of Data to Advance Personalised Therapy with MR-Linac (ADAPT-MRL) is a multi-site, multinational, observational cohort registry designed to collect data on the use of the magnetic resonance linear accelerator (MR-Linac) for radiation
Jeremiah de Leon, Amanda Woods, Tania Twentyman, Michael Meade, Vicki Sproule, Smitha Chandran, Joseph Christiansen, Neil Kennedy, Maria Marney, Kris Barooshian, Michael Plit, Jayd Lynch, Raj Jagavkar, Helen Ormandy, John Christodouleas, Florian Pietzsch, Michael Chan, Michael G Jameson   +17 more
doaj   +1 more source

Daily adaptive radiotherapy for patients with prostate cancer using a high field MR-linac: Initial clinical experiences and assessment of delivered doses compared to a C-arm linac

Clinical and Translational Radiation Oncology, 2020
Introduction: MR-guided adapted radiotherapy (MRgART) using a high field MR-linac has recently become available. We report the estimated delivered fractional dose of the first five prostate cancer patients treated at our centre using MRgART and compare ...
Alex Dunlop, Adam Mitchell, Alison Tree, Helen Barnes, Lorna Bower, Joan Chick, Edmund Goodwin, Trina Herbert, Rebekah Lawes, Helen McNair, Dualta McQuaid, Jonathan Mohajer, Rahul Nilawar, Angela Pathmanathan, Gillian Smith, Ian Hanson, Simeon Nill, Uwe Oelfke   +17 more
doaj   +1 more source

Old dogs, new tricks: MR‐Linac training and credentialing of radiation oncologists, radiation therapists and medical physicists

Journal of Medical Radiation Sciences, 2023
The introduction of magnetic resonance (MR) linear accelerators (MR‐Linacs) into radiotherapy departments has increased in recent years owing to its unique advantages including the ability to deliver online adaptive radiotherapy.
Louise Hogan, Michael Jameson, David Crawford, Stacy Alvares, Conrad Loo, Maddison Picton, Zoe Moutrie, Claire Pagulayan, Ursula Jelen, Nicolle Dunkerley, Tania Twentyman, Jeremy deLeon, Vikneswary Batumalai   +12 more
doaj   +1 more source

Is MRI-Linac helpful in SABR treatments for liver cancer?

Frontiers in Oncology, 2023
ObjectiveTo determine the MRI-Linac added value over conventional image-guided radiation therapy (IGRT) in liver tumors Stereotactic ablative radiation therapy (SABR).Materials and methodsWe retrospectively compared the Planning Target Volumes (PTVs ...
Agnès Tallet, Agnès Tallet, Jean-Marie Boher, Marguerite Tyran, Hugues Mailleux, Gilles Piana, Mohamed Benkreira, Pierre Fau, Naji Salem, Laurence Gonzague, Claire Petit, Julien Darréon   +11 more
doaj   +1 more source

Stereotactic Magnetic Resonance-guided Online Adaptive Radiotherapy for Oligometastatic Breast Cancer: A Case Report. [PDF]

, 2018
We present a case of durable local control achieved in a patient treated with stereotactic magnetic resonance-guided adaptive radiation therapy (SMART) for an abdominal lymph node in the setting of oligometastatic breast cancer.
Cao, Minsong, Dang, Audrey, Lamb, James, Lee, Percy, Low, Daniel A, Raldow, Ann C, Steinberg, Michael L, Tyran, Marguerite   +7 more
core   +1 more source

Influence of beam quality on reference dosimetry correction factors in magnetic resonance guided radiation therapy

Physics and Imaging in Radiation Oncology, 2020
Correction factors for reference dosimetry in magnetic resonance (MR) imaging-guided radiation therapy (kB→,M,Q) are often determined in setups that combine a conventional 6 MV linac with an electromagnet. This study investigated whether results based on
Stefan Pojtinger, Marcel Nachbar, Ralf-Peter Kapsch, Daniela Thorwarth   +3 more
doaj   +1 more source

Implementation of Magnetic Resonance Imaging-Guided Radiation Therapy in Routine Care: Opportunities and Challenges in the United States

Advances in Radiation Oncology, 2022
Purpose: Magnetic resonance image (MRI)-guided radiation therapy with the 1.5 Tesla magnetic resonance linear accelerator (MR-Linac) is a rapidly evolving and emerging treatment.
Charisma Hehakaya, MSc, Ankur M. Sharma, MD, Jochem R.N. van der Voort Van Zijp, MD, PhD, Diederick E. Grobbee, MD, PhD, Helena M. Verkooijen, MD, PhD, Enrique W. Izaguirre, PhD, Ellen H.M. Moors, PhD   +6 more
doaj   +1 more source

Optical emission-based phantom to verify coincidence of radiotherapy and imaging isocenters on an MR-linac [PDF]

, 2021
PURPOSE: Demonstrate a novel phantom design using a remote camera imaging method capable of concurrently measuring the position of the x-ray isocenter and the magnetic resonance imaging (MRI) isocenter on an MR-linac.
Alexander, Daniel A, Andreozzi, Jacqueline M, Brůža, Petr, Cammin, Jochen, Gladstone, David J, Green, Olga, Pogue, Brian W   +6 more
core   +2 more sources