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Results for "irradiation platform": 13 found

4D Monte Carlo Dose Evaluation for Mobile Targets in a Magnetic Field

Authors: Odunola Grace Babawale, B. Gino Fallone, Alireza Gazor, Andrei D. Ghila, Patricia A. K. Oliver, Michael W. Reynolds, Keith D. Wachowicz, Tania Rosalia Wood, Shima Y. Tari, Eugene Yip, Jihyun Yun

Affiliation: Nova Scotia Health, Dept. of Medical Physics and Dalhousie University, Dept. of Physics and Atmospheric Science, Dept. of Radiation Oncology, Dept. of Medical Physics, Cross Cancer Institute and Dept. of Oncology, University of Alberta; MagnetTx Oncology Solutions, www.magnetTX.com, Department of Medical Physics, Arthur J. E. Child Comprehensive Cancer Centre, Dept. of Medical Physics, Cross Cancer Institute and Dept. of Oncology, University of Alberta, Department of Medical Physics, BC Cancer, Medical Physics Division, Department of Oncology, University of Alberta and Department of Medical Physics, Cross Cancer Institute

Abstract Preview: Purpose: To evaluate the dose to a moving target and its surroundings in a magnetic field using 4D-Monte-Carlo (MC) simulation.
Methods: The study utilizes a previously validated MC model of our li...

An Alpha Irradiation System for Radiobiological Studies with Versatile Dose Rate Control

Authors: Harsh Arya, Yan Chang, Yujie Chi, Varghese Anto Chirayath, Joshua Rajan, Pan Zui

Affiliation: University of Texas at Arlington, Department of Physics, University of Texas at Arlington

Abstract Preview: Purpose: In targeted alpha therapy (TAT), absorbed dose rates can vary significantly spatially and temporally, impacting therapeutic efficacy as well as carcinogenic potential. This study reports the ...

Automated Parametric Custom Collimator Creation for Preclinical Irradiation Studies

Authors: Muhammad Ramish Ashraf, Dixin Chen, Lloyd Emmanuel Kamole Ghomsi, Edward Elliot Graves, Billy W Loo, Stavros Melemenidis, Joseph B. Schulz, Lawrie Skinner

Affiliation: Department of Radiation Oncology, Department of Radiation Oncology, Stanford University School of Medicine

Abstract Preview: Purpose: Precise beam collimation is essential in preclinical radiotherapy studies to ensure accurate dose delivery. Manual design and fabrication of organ-specific collimators usually consist of mult...

Automated Quantification of Irradiation-Induced Effects on Ribosome Biogenesis Using Foundational AI Model and Image Analysis

Authors: Kyle J. Wang, Yading Yuan

Affiliation: Bergen County Technical High School, Columbia University Irving Medical Center, Department of Radiation Oncology

Abstract Preview: Purpose: Genotoxic cancer therapies inevitably damage normal cells, particularly circulating hematopoietic cells, posting a risk for therapy-induced leukemia. This study aims to develop an automated i...

BEST IN PHYSICS RADIOPHARMACEUTICALS, THERANOSTICS AND NUCLEAR MEDICINE: The Development and Validation of an in-Vitro Alpha Irradiation Platform with Versatile Radiation Control

Authors: Md Mainul Abrar, Harsh Arya, Yujie Chi, Yijing Liu, Joshua Rajan, Pan Zui

Affiliation: University of Texas at Arlington, The University of Texas at Arlington, Department of Physics, University of Texas at Arlington

Abstract Preview: Purpose: Understanding the biological effects of alpha radiation at varying dose rates and energies is essential for advancing therapeutic strategies. This study demonstrates the capabilities of an in...

Evaluation of Time Delays in a Surface-Guided Radiotherapy-Based Gating System Using Exactrac Dynamic and Truebeam Linear Accelerator

Authors: Hiroki Katayama, Hiroki Kawasaki, Motonori Kitaoka, Yosuke Takahashi, Takashi Tanii, Masato Tsuzuki

Affiliation: Kagawa University Hospital

Abstract Preview: Purpose:
Surface-guided radiotherapy (SGRT) with ExacTrac Dynamic (ETD) allows motion tracking and beam gating during treatment delivery. Accurate evaluation of beam-on and beam-off delays is essen...

Evaluation of a Novel Multimodal Deformable Image Registration Algorithm for Pelvic MRI-CT Fusion in Radiotherapy

Authors: Christian Fiandra, Marco Fusella, Gianfranco Loi, Silvia Pesente, Lorenzo Placidi, Claudio Vecchi, Orlando Zaccaria, Stefania Zara

Affiliation: Abano Terme Hospital, University of Turin, Maggiore della Carità, Tecnologie Avanzate Srl, Fondazione Policlinico Universitario Agostino Gemelli IRCCS

Abstract Preview: Purpose: Deformable-image-registration (DIR) is essential in modern radiotherapy for adaptive RT, re-irradiation, and other clinical applications. Multimodal DIR is especially important in MRI-only wo...

First in-Vivo Application of a Novel Precision Small Animal Irradiation Platform with Proton IMPT Delivery and Advanced on-Board Image-Guidance

Authors: Niels Bassler, Jonathan Bortfeldt, Davide Boscaini, Francesco Evangelista, Guyue Hu, Ze Huang, Margarita Kozak, Julie Lascaud, Giulio Lovatti, Eero Lönnqvist, Jasper Nijkamp, Munetaka Nitta, Prasannakumar Palaniappan, Katia Parodi, Marco Pinto, Per R. Poulsen, Marco Riboldi, Babak Sharifi, Brita Singers Sørensen, Peter Thirolf

Affiliation: Department of Medical Physics, Ludwig-Maximilians-Universität München (LMU Munich), Ludwig-Maximilians Universität, Danish Centre for Particle Therapy, Aarhus University Hospital, Department of Medical Physics, Ludwig-Maximilians-Universität (LMU) München, Department of Experimental Clinical Oncology, Aarhus University, Department of Oncology, Aarhus University Hospital

Abstract Preview: Purpose: To perform the first in vivo application of a novel small animal radiation research platform combining on-board image-guidance with multi-field intensity modulated spot scanning delivery [1] ...

First in-Vivo Proton Radiography Experiments for an Image-Guided Small Animal Irradiation Platform with a TimePix3-Based Detector Setup

Authors: Niels Bassler, Jonathan Bortfeldt, Carlos Granja, Guyue Hu, Margarita Kozak, Julie Lascaud, Kirsten Lauber, Grigory Liubchenko, Jasper Nijkamp, Cristina Oancea, Prasannakumar Palaniappan, Katia Parodi, Marco Pinto, Per R. Poulsen, Marco Riboldi, Brita Singers Sørensen, Matthias Würl

Affiliation: Department of Nuclear Medicine, LMU University Hospital, LMU Munich, Department of Radiation Oncology, LMU University Hospital, LMU Munich, Department of Medical Physics, Ludwig-Maximilians-Universität München (LMU Munich), Danish Centre for Particle Therapy, Aarhus University Hospital, Department of Medical Physics, Ludwig-Maximilians-Universität (LMU) München, Department of Experimental Clinical Oncology, Aarhus University, Department of Oncology, Aarhus University Hospital, Advacam

Abstract Preview: Purpose: To apply in-vivo proton radiography (pRad) to aid image registration and treatment plan refinement for a novel precision image-guided small animal proton irradiation platform.

Methods:...

Investigating the Radiation Chemistry of Flash Radiation Therapy through Electron Paramagnetic (EPR) Spectroscopy

Authors: Ramin Abolfath, Alexander Baikalov, Stefan Bartzsch, Nolan M. Esplen, Alan Eduardo Lopez Hernandez, Emil Schueler

Affiliation: MD Anderson Cancer Center, PI Experimental Medical Physics, Institute of Radiation Medicine (IRM), Helmholtz Munich, Germany, Howard University, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center

Abstract Preview: Purpose: FLASH radiation therapy (FLASH-RT) leverages ultra-high dose rates (UHDR) to spare normal tissue as compared to conventional (CONV)-RT while preserving tumor control; this is termed the FLASH...

Investigation of Triggered Imaging and Auto Beam Hold Using a Dynamic Thorax Phantom for Intra-Fraction Motion Management

Authors: Liu Hong, Zhong Su

Affiliation: University of Arkansas for Medical Sciences, Department of Radiation Oncology, University of Arkansas for Medical Sciences (UAMS)

Abstract Preview: Purpose: During treatment delivery on TrueBeam platform 2.7, Triggered Imaging (TI) enables kV images acquisition at regular intervals and Auto Beam Hold (ABH) provides beam pausing if the target is m...

Slit Scanning Delivery Simulation for Flash Radiotherapy

Authors: Muhammad Ramish Ashraf, Dixin Chen, Aaron Garza, Lloyd Emmanuel Kamole Ghomsi, Edward Elliot Graves, Billy W Loo, Stavros Melemenidis, Joseph B. Schulz, Lawrie Skinner, Murat Surucu

Affiliation: Department of Radiation Oncology, Department of Radiation Oncology, Stanford University School of Medicine

Abstract Preview: Purpose: FLASH radiotherapy, supported by robust preclinical evidence showing an improved therapeutic index, is advancing toward clinical trials. Clinical FLASH treatments will likely require scanning...

Topas-Nbio – Status and Outlook after a Decade of Developments

Authors: Alejandro Bertolet, Jorge Naoki Dominguez Kondo, Bruce A. Faddegon, Kathryn D Held, Nicolas Henthorn, Jay LaVerne, Thongchai Masilela, Stephen J. McMahon, Isaac Meyer, Victor V. Onecha, Harald Paganetti, Jose A. Ramos-Mendez, Jan PO Schuemann, Wook-Geun Shin, Michael Taylor, John Warmenhoven

Affiliation: Massachusetts General Hospital, Queen's University Belfast, Massachusetts General Hospital and Harvard Medical School, University of California San Francisco, University of Manchester, Notre Dame University

Abstract Preview: Purpose: TOPAS-nBio brings a cutting-edge Monte Carlo (MC) simulation framework to the research community to test hypotheses of radiation effects at the nanometer/cell scale. Here, we present the deve...