Authors: Shashanksharad Kale, Gopishankar Natanasabapathi, Daya Nand Kishore Sharma
Affiliation: All India Institute of Medical Sciences (AIIMS), Department of Radiation Oncology, All India Institute of Medical Sciences
Abstract Preview: Purpose:
The study demonstrates a novel 3D printing method to fabricate an ion chamber insert (ICI) for absolute dosimetry purpose in gamma knife radiosurgery (GKRS).
Methods:
Our institute u...
Authors: Mubasheer Chombakkadath, Tara E. Tyson, Iris Z. Wang
Affiliation: Roswell Park Comprehensive Cancer Center, University at Buffalo (SUNY)
Abstract Preview: Purpose: Deformable image registration (DIR) is critical in adaptive radiation therapy (ART). Existing DIR phantoms either simulate tumor shape or volume changes but lack comprehensive motion simulati...
Authors: Dirk Grunwald, Hans Herzog, Hidehiro Iida, N. Jon Shah, Usman Khalid, Manfred Lennartz, Philipp Lohmann, Ceren Memis, Tobias Meurer, Claudia Regio Brambilla, Jürgen Scheins, Lutz Tellmann, Christoph W. Lerche, Martin Wiesmann, Karl Ziemons
Affiliation: FH Aachen University of Applied Sciences, Department of Chemistry and Biotechnology, Clinic for Diagnostic and Interventional Neuroradiology, Uniklinik Aachen,, Institute of Neuroscience and Medicine (INM-4), Forschungszentrum Jülich GmbH, Institute of Neuroscience and Medicine (INM-4), Forschungszentrum Jülich GmbH,, Central Institute for Engineering, Electronics and Analytics (ZEA-1), Forschungszentrum, Turku PET Center, Institute of Biomedicine, Faculty of Medicine, University of Turku,
Abstract Preview: Purpose: Quantitative brain studies with positron emission tomography (PET) often require an arterial input function (AIF), which traditionally requires arterial cannulation. However, this is invasive...
Authors: Edward A. Opalko, Matthew B. Podgorsak, Dheerendra Prasad
Affiliation: Roswell Park Comprehensive Cancer Center
Abstract Preview: Purpose: To design a 3D printed insert for Varian’s SRS Head Phantom that allows for multi-planar film dosimetry and to evaluate its ability in end-to-end testing for Gamma Knife treatments.
Method...
Authors: Haonian Gong, Yue Gu, Meiqi Liu, Hsiao-Ming Lu, Yuxiang Wang, Yidong Yang
Affiliation: Hefei Ion Medical Center, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Department of Engineering and Applied Physics, University of Science and Technology of China
Abstract Preview: Purpose: To develop a proton CT system using scintillator-based 2D dose distribution detection for accurate proton imaging.
Methods: The proposed proton CT system consists of a brass collimator wit...
Authors: Muhammad Ramish Ashraf, Girish Bal, Daniel Pham, Murat Surucu
Affiliation: RefleXion Medical, Department of Radiation Oncology, Stanford University School of Medicine, Stanford University
Abstract Preview: Purpose: To determine minimum target size and FDG contrast thresholds for reliable Biology-guided Radiation Therapy (BgRT) delivery using a systematic phantom study.
Methods: A custom 3D-printed ph...
Authors: Ergun E. Ahunbay, Abdul Kareem Parchur, Eric S. Paulson, Ilaria Rinaldi, Angelo Schiavi, Li Zhao
Affiliation: Sapienza University of Rome, Department of Radiation Oncology (Maastro), GROW School for Oncology, Maastricht University Medical Centre+, Department of Radiation Oncology, Medical College of Wisconsin
Abstract Preview: Purpose: Secondary dose calculations (SDC) facilitate patient-specific quality assurance for online adaptive intensity-modulated proton therapy (IMPT). However, there is currently a lack of commercial...
Authors: Muhammad Ramish Ashraf, Girish Bal, Daniel Pham, Murat Surucu
Affiliation: RefleXion Medical, Department of Radiation Oncology, Stanford University School of Medicine, Stanford University
Abstract Preview: Purpose: To systematically evaluate the relationship between Activity Concentration (AC) obtained from the RefleXion PET-Linac with the maximum standardized uptake value (SUVmax) derived from a diagno...
Authors: Gisell Ruiz Boiset, Paulo ROBERTO Costa, Renan Felix dos Santos, Gustavo Freire Pereira da Silva, Alessandra Tomal
Affiliation: University of São Paulo (USP), Institute of Physics, Universidade Estadual de Campinas. Instituto de Física Gleb Wataghin
Abstract Preview: Purpose: Evaluate the feasibility of a bench-top PCCT using Geant4 Monte Carlo simulations. The study applied the Geant4 framework on determining the electronic density of materials as a function of C...
Authors: Carina Gassner, Guyue Hu, Thomas Kröncke, Christopher Kurz, Guillaume Landry, Katharina Niepel, Katia Parodi, Franka Risch, Florian Schwarz
Affiliation: Department of Radiation Oncology, LMU University Hospital, LMU Munich, Department of Diagnostic and Interventional Radiology, University Hospital Augsburg, Department of Medical Physics, Ludwig-Maximilians-Universität (LMU) München, Department of Medical Physics, Ludwig-Maximilians-Universität München (LMU Munich)
Abstract Preview: Purpose: To evaluate the performance of a clinical photon-counting CT (PCCT) scanner in terms of proton relative stopping power (RSP) estimation using PCCT data and to compare the impact of different ...
Authors: Anahita Bakhtiari Moghaddam, Don F. DeJongh, Ethan DeJongh, Jennifer Hardt, Oliver Jäkel, Lukas Martin, Alexander Pryanichnikov, Joao Seco, Christina Stengl, Niklas Wahl
Affiliation: Department of Medical Physics in Radiation Oncology, German Cancer Research Center (DKFZ), Division of Biomedical Physics in Radiation Oncology, German Cancer Research Center (DKFZ), ProtonVDA LLC, Department of Physics and Astronomy, Heidelberg University, Division of Medical Physics in Radiation Oncology, German Cancer Research Center (DKFZ), Institute of Biomedical Engineering, Karlsruhe Institute of Technology (KIT)
Abstract Preview: Purpose:
To evaluate the feasibility and performance of single-plane position tracking for proton and helium pencil beam radiography using a prototype imaging system, with the goal of providing a c...