Results 31 to 40 of about 1,697 (196)

Clinical comparison of four commercial MRI phantoms on a 0.35T MR-linac using a standard clinical TRUFI sequence at a single institution. [PDF]

J Appl Clin Med Phys
Abstract Purpose Real‑time magnetic resonance–guided radiation therapy (MRgRT) integrates MRI with a linear accelerator (Linac) for gating and adaptive radiotherapy, which requires robust image‑quality assurance over a large field of view (FOV). Specialized phantoms capable of accommodating this extensive FOV are therefore essential.
Khalifa MA, Ma T, Aljuaid H, Kim S, Song WY.   +4 more
europepmc   +2 more sources

Characterisation and application of three-dimensional silicone-based radiochromic dosimetry in 1.5 T magnetic resonance imaging-guided radiotherapy [PDF]

, 2023
The magnetic field in magnetic resonance imaging-guided radiotherapy (MRgRT) systems influences the three-dimensional (3D) dose deposition and hence the delivered dose distributions.
Balling, Peter, Bertelsen, Anders S, Doran, Simon J, Jensen, Morten B, Jensen, Simon V, Muren, Ludvig P, Petersen, Jørgen B B, Riis, Hans L   +7 more
core   +1 more source

Trimodal Therapy Using an MR–guided Radiation Therapy Partial Bladder Tumor Boost in Muscle Invasive Bladder Cancer

Advances in Radiation Oncology, 2023
Purpose: Bladder preservation with trimodal therapy (TMT; maximal tumor resection followed by chemoradiation) is an effective paradigm for select patients with muscle invasive bladder cancer. We report our institutional experience of a TMT protocol using
Casey Liveringhouse, MD, Alexander Netzley, BS, John M. Bryant, MD, Lauren C. Linkowski, MD, Joseph Weygand, PhD, Maria L. Sandoval, MD, Ammoren Dohm, MD, Marsha Dookhoo, RTT, Stacey Kelley, CMD, Stephen A. Rosenberg, MD, MS, Kujtim Latifi, PhD, Javier F. Torres-Roca, MD, Peter A.S. Johnstone, MD, Kosj Yamoah, MD, PhD, G. Daniel Grass, MD, PhD   +14 more
doaj   +1 more source

MR-guided radiotherapy for liver malignancies [PDF]

, 2021
MR guided radiotherapy represents one of the most promising recent technological innovations in the field. The possibility to better visualize therapy volumes, coupled with the innovative online adaptive radiotherapy and motion management approaches ...
Boldrini, Luca, Corradini, Stefanie, Dawson, Laura, Gani, Cihan, Henke, Lauren, Hosni, Ali, Romano, Angela   +6 more
core   +2 more sources

Characterization of radiotherapy component impact on MR imaging quality for an MRgRT system [PDF]

Journal of Applied Clinical Medical Physics, 2020
AbstractRadiotherapy components of an magnetic resonnace‐guided radiotherapy (MRgRT) system can alter the magnetic fields, causing spatial distortion and image deformation, altering imaging and radiation isocenter coincidence and the accuracy of dose calculations.
Benjamin C. Lewis, Bruce Gu, Ryan Klett, Rajiv Lotey, Olga L. Green, Taeho Kim   +5 more
openaire   +3 more sources

Proton Beam Therapy and Photon-Based Magnetic Resonance Image-Guided Radiation Therapy: The Next Frontiers of Radiation Therapy for Hepatocellular Carcinoma

Technology in Cancer Research & Treatment, 2023
External beam radiation therapy (EBRT) has increasingly been utilized in the treatment of hepatocellular carcinoma (HCC) due to technological advances with positive clinical outcomes. Innovations in EBRT include improved image guidance, motion management,
Peter Zaki MD, Michael D. Chuong MD, FACRO, Stephanie K. Schaub MD, Simon S. Lo MD, ChB, FACR, FASTRO, Mariam Ibrahim BS, Smith Apisarnthanarax MD   +5 more
doaj   +1 more source

Characterization of mechanical and radiation isocenter on an MR‐guided radiotherapy (MRgRT) Linac

Journal of Applied Clinical Medical Physics, 2023
AbstractBackground and PurposeIn the emerging paradigm of stereotactic radiosurgery being proposed for MR‐guided radiotherapy (MRgRT), assessment of mechanical geometric accuracy is critical for the implementation of stereotactic delivery. We benchmarked the mechanical accuracy of an MR Linac system that lacks an onboard detector/array.
Bassiri, Nema, Bayouth, John E., Mittauer, Kathryn E.   +2 more
openaire   +2 more sources

Magnetic Resonance-Guided Adaptive Radiation therapy for Prostate Cancer:The First Results from the MOMENTUM study—An International Registry for the Evidence-Based Introduction of Magnetic Resonance-Guided Adaptive Radiation Therapy [PDF]

, 2022
Purpose: Magnetic resonance (MR)-guided radiation therapy (MRgRT) is a new technique for treatment of localized prostate cancer (PCa). We report the 12-month outcomes for the first PCa patients treated within an international consortium (the MOMENTUM ...
Choi, Seungtaek L., Choudhury, Ananya, Christodouleas, John P., de Boer, Johannes C.J., de Groot-van Breugel, Eline N., Hall, William A., Kerkmeijer, Linda G.W., Pos, Floris J., Schytte, Tine, Teunissen, Frederik R., Tree, Alison C., van der Voort van Zyp, Jochem R.N., Verkooijen, Helena M., Vesprini, Danny, Willigenburg, Thomas   +14 more
core   +1 more source

Magnetic Resonance Guided Radiotherapy (MRgRT) For Cardiac Lymphomas: Case Report and New Perspectives [PDF]

Journal of Medical and Radiation Oncology, 2021
Cardiac lymphomas are extremely rare and have poor prognoses. Currently, there are no established guidelines for treatment and the main approaches include surgery, chemotherapy (CHT), possibly combined with radiotherapy (RT), and autologous stem cell transplantation (ASCT). RT’s role is controversial and is not considered a standard approach.
Angela Romano, Annarosa Cuccaro, Eugenia De Marco, Luca Boldrini, Mauro Iafrancesco, Francesco D'Alo, Silvia Chiesa, Ciro Mazzarella, Stefan Hohaus, Mario Balducci   +9 more
openaire   +1 more source

Stereotactic MRI-guided Adaptive Radiation Therapy (SMART) for Locally Advanced Pancreatic Cancer: A Promising Approach. [PDF]

, 2018
Locally advanced pancreatic cancer (LAPC) is characterized by poor prognosis and low response durability with standard-of-care chemotherapy or chemoradiotherapy treatment.
Cao, Minsong, Lamb, James, Lee, Percy, Low, Daniel A, Luterstein, Elaine, Raldow, Ann C, Steinberg, Michael L   +6 more
core   +1 more source