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Results for "dynamic longitudinal": 4 found

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...

Lung-Equivalent Compressible Material As Core Component for a Miniaturized Breathing Phantom Prototype

Authors: Silvia Calusi, Lucia Cavigli, Alberto Dalla Mora, Laura Di Sieno, Giacomo Insero, Riccardo Lisci, Livia Marrazzo, Cosimo Nardi, Stefania Pallotta, Andrea Profili, Fulvio Ratto, Giovanni Romano, Michaela Servi, Immacolata Vanore, Yary Volpe

Affiliation: Italian National Research Council IFAC-CNR, Institute of Applied Physics, Department of Physics, Politecnico di Milano, Department of Agricultural Food and Forestry System, University of Florence, Medical Physics Unit, Azienda Ospedaliero-Universitaria Careggi, Department of Industrial Engineering, University of Florence, Department of Experimental and Clinical Biomedical Sciences β€œMario Serio”, University of Florence

Abstract Preview: Purpose: To develop a multi-purpose lung phantom prototype to replicate respiratory dynamics and morphological features observed in clinical radiological (CT and MR) imaging of lung parenchyma.
Met...

Minimizing Positioning Errors in Intracranial SRS: The Role of Verification Imaging after 6-Dof Corrections

Authors: Anthony J. Doemer, Yimei Huang, Benjamin Movsas, Ellen Park, Mira Shah, Salim Siddiqui, Karen C. Snyder, Kundan S Thind, Bo Zhao

Affiliation: Henry Ford Health

Abstract Preview: Purpose: The 6 degrees-of-freedom (6-DoF) robotic couch is considered essential for linac-based stereotactic radiosurgery (SRS), particularly for irregularly shaped targets adjacent to critical organs...

Technical Feasibility and Accuracy of Dynamic Longitudinal Couch Motion during Beam Delivery

Authors: Chonthicha Bunchuailuea, David Geeler, Martin Sabel, Claas Wessels

Affiliation: Varian Medical Systems

Abstract Preview: Purpose: Elongated treatment sites, such as craniospinal treatments, pose multiple challenges in today’s practices, requiring multiple CBCTs for position verifications per fraction, which might increa...