Authors: Izabella L. Barreto, Benjamin Taylor Heggie, Stephanie M. Leon
Affiliation: University of Florida College of Medicine, University of Florida
Abstract Preview: Purpose: 3D printing has the potential for producing materials useful for the imaging field. This work aims to identify absorption (attenuation coefficient) and material properties (effective atomic n...
Authors: Jeremy Christophel, Zhihua Qi
Affiliation: Henry Ford Health
Abstract Preview: Purpose: To demonstrate a method to compare DICOM metadata from clinical scanners with institutional protocols as validation that clinical use matches the master protocol.
Methods: DICOM metadata i...
Authors: Javier Chiasson, Dominique Guillet, Arthur Lalonde, Karim Zerouali
Affiliation: Universite de Montreal, Centre Hospitalier de l'Universite de Montreal
Abstract Preview: Purpose:
To validate a Monte Carlo (MC) model of a Ultra-High dose rate (UHDR) electron beam using a prototype flashdiamond (fD) detector coupled to an electrostatically shielded beam current trans...
Authors: Steve Braunstein, Angela Jakary, Hui Lin, Bo Liu, Janine Lupo, Tiffany Ngan, Ke Sheng, Nate Tran
Affiliation: Radiation Oncology, University of California San Francisco, Graduate Program in Bioengineering, University of California San Francisco-UC Berkeley, Department of Radiation Oncology, University of California San Francisco, Department of Radiology and Biomedical Imaging, University of California San Francisco, Department of Radiation Oncology, University of California, San Francisco
Abstract Preview: Purpose: Current RT clinical target volumes (CTVs) for Glioblastoma (GBM) employ 2cm isotropic expansions of gross tumor volumes. However, studies showed patients still experience progression beyond t...
Authors: Humberto Monsivais, Brian A. Taylor, Francesco Versace
Affiliation: Purdue University, Department of Behavioral Science, Division of Cancer Prevention and Population Sciences, The University of Texas MD Anderson Cancer Center, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center
Abstract Preview: Purpose: To identify possible signatures of altered brain morphometry in nicotine-dependency via a structural covariance network approach.
Methods: Fifty-one healthy controls (HC:27M, mean age=...
Authors: Alan H. Baydush, Sarah Cummings, Jeffrey Michael Fenoli, Christy Hickerson, Lalith Kumaraswamy, Philmo Oh, Sarah B. Wisnoskie
Affiliation: Novant Health Cancer Institute, Novant Health
Abstract Preview: Purpose: To develop, validate, and commission a VMAT Total Body Irradiation (TBI) workflow by integrating publicly available resources, commercial solutions, and in-house testing to enhance treatment ...
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: Clifford Ghee Ann Chua, Calvin Wei Yang Koh, Kah Seng Lew, Zubin Master, Sung Yong Park, Hong Qi Tan, Andrew Wibawa
Affiliation: National Cancer Centre Singapore
Abstract Preview: Purpose: To investigate the impact of spot position deviation on reference dosimetry measurements using different delivery patterns and to determine the optimal delivery pattern for reference dosimetr...
Authors: Somayeh Gholami, Saeedeh Ketabi, Jeremy Kunz, Ali Yousefi
Affiliation: Department of Radiation Oncology, University of Utah, University of Utah, Department of Management- Operations Research, University of Isfahan
Abstract Preview: Purpose: This paper aims to present a novel approach for automatic knowledge-based planning optimization for Intensity Modulated Radiotherapy, along with the two downsizing techniques for improving th...
Authors: Ehsan Abadi, Njood Alsaihati, Steven T. Bache, Mridul Bhattarai, Cindy Marie McCabe, Francesco Ria, Ehsan Samei
Affiliation: Duke University, Center for Virtual Imaging Trials, Duke University, Duke University Health System, Clinical Imaging Physics Group, Department of Radiology, Duke University Health System
Abstract Preview: Purpose: To compare and contrast alternative methods including reader (in hominum), phantom (in phantasma), in vivo, and in silico methods deployed to assess the performance of photon counting (PCCT) ...
Authors: Robert Fucetola, Jiayi Huang, Zhihua Liu, Chongliang Luo, Tong Zhu
Affiliation: Washington University School of Medicine, Washington University in St. Louis, School of Medicine
Abstract Preview: Purpose:
This prospective observational study investigates radiation-induced white matter (WM) injuries using longitudinal diffusion tensor imaging (DTI) in patients with diffuse glioma following r...
Authors: Darwin Abraham Garcia, Michael P. Grams, Scott C Lester, Maryam Mashayekhi, Douglas John Moseley, Robert W Mutter, Sean S Park, Chrystian Quintero Mateus
Affiliation: Mayo Clinic - Rochester, Mayo Clinic
Abstract Preview: Purpose: MBRT delivers sub-millimeter wide regions of high “peak” (~10s Gy) and low “valley” (~1 Gy) doses to treat cancer. MBRT commissioning is performed in flat, uniform plastic water. Thus, differ...
Authors: Xinyuan Chen, Geoffrey D. Hugo, Alex T. Price, Pamela Samson, Tianyu Zhao
Affiliation: University Hospitals Seidman Cancer Center, University of South Florida, Washington University School of Medicine, WashU Medicine
Abstract Preview: Purpose: This study evaluates the financial viability of on-table simulation (CBCTp) enabled Halcyon system in radiation therapy. By leveraging Time-Driven Activity-Based Costing (TDABC), the analysis...
Authors: Xinyuan Chen
Affiliation: Washington University School of Medicine
Abstract Preview: Purpose: This study evaluates the financial viability of on-table simulation (CBCTp) enabled Halcyon system in radiation therapy. By leveraging Time-Driven Activity-Based Costing (TDABC), the analysis...
Authors: Resat Aydin, Joseph Barbiere, Brett Lewis, Roland Teboh
Affiliation: HUMC, Hackensack University Medical Center
Abstract Preview: Purpose:
Accurately compensating for respiratory-induced tumor motion is critical in BgRT, where precise delineation of volumes ensures effective dose delivery. We propose an integrated approach th...
Authors: Ulrike Dydak, Chia-Tien Hsu, Chang Geun Lee, Cora Mizimakoski, Humberto Monsivais, Jae Hong Park
Affiliation: Purdue University
Abstract Preview: Purpose: Overexposure to manganese (Mn) from inhaling welding fumes can lead to cognitive and motor deficits. We developed a whole-brain Mn-mapping approach to detect subtle but significant increases ...
Authors: Ali Ajdari, Thomas R. Bortfeld, Christopher Bridge, Gregory Buti, Marcela Giovenco, Fredrik Lofman, Gregory C. Sharp, Helen A Shih, Tugba Yilmaz
Affiliation: Massachusetts General Hospital, RaySearch Laboratories, Department Of Radiation Oncology, Massachusetts General Hospital (MGH), Massachusetts General Hospital & Harvard Medical School, Massachusetts General Hospital and Harvard Medical School
Abstract Preview: Purpose: Defining radiation target volumes with accurate integration of the neuroanatomy is one of the major difficulties in designing glioma treatments. We developed a deep learning network for norma...
Authors: Andrew Alexander, Brecca Bettcher, Bradley T Christian, Jose Guerrero-Gonzalez, Steven Kecskemeti, Lisette LeMerise, Max McLachlan, Andrew McVea, Matthew Zammit
Affiliation: University of Wisconsin-Madison School of Medicine and Public Health and Waisman Center
Abstract Preview: Purpose: Individuals with Down syndrome (DS) develop Alzheimer’s Disease (AD) with very high prevalence (>90%). Neuropathology includes amyloid plaque (Aβ) accumulation, followed by neurofibrillary ta...
Authors: Mercy Iyabode Akerele, Yuni K. Dewaraja, Richard Laforest, Justin K. Mikell, Wendy Siman, Allan Thomas, Daniel Thorek
Affiliation: University of Michigan, Washington University School of Medicine in St. Louis, Washington University School of Medicine, University of Colorado Anschutz Medical Campus, School of Medicine, Washington University in St. Louis, Mallinckrodt Institute of Radiology, Washington University School of Medicine
Abstract Preview: Purpose: Post-therapy quantitative 90Y SPECT and PET measurements show ~25% lower activity than vendor-reported values for glass microspheres. We hypothesize this discrepancy is due to bremsstrahlung ...
Authors: Jiayi Chen, Shaolei Li, Fuhua Yan, Yingli Yang, Jie Zhang
Affiliation: Department of Radiology, Ruijin Hospital, Institute for Medical Imaging Technology, Ruijin Hospital, Department of Radiology, Ruijin Hospital Shanghai Jiaotong University School of Medicine, Shanghai United imaging Healthcare Advanced Technology Research Institute, Department of Radiation Oncology, Ruijin Hospital
Abstract Preview: Purpose: The aim of this exploratory study is to investigate the feasibility of establishing a model to explore tissue component heterogeneity using multidimensional diffusion magnetic resonance imagi...
Authors: Michael Paul Barnes, Lana C. Critchfield, John J. DeMarco, Ellie Durussel, Nilendu Gupta, James Irrer, Peyton Jensen, Grace Gwe-Ya Kim, Cory S. Knill, Seng Boh Gary Lim, Justin K. Mikell, Jean M. Moran, Seyyedeh Azar Oliaei Motlagh, Mario Perez, Michael Pillainayagam, Claire Zhang
Affiliation: University of Michigan, Department of Radiation Oncology, University of Michigan, Department of Medical Physics, Memorial Sloan Kettering Cancer Center, Department of Radiation Oncology, The Ohio State University Wexner Medical Center, Washington University School of Medicine in St. Louis, University of California San Diego, Royal North Shore Hospital, Calvary Mater Hospital Newcastle, Cedars-Sinai Medical Center
Abstract Preview: Purpose: EPIDs are widely used in linac QA due to their efficiency and accuracy. As EPIDs age, performance degradation may occur, potentially compromising reliability of EPID-based automated QA result...
Authors: Frank F. Dong, Megan C. Jacobsen, Ke Li, Xinming Liu, Humberto Monsivais, John Rong
Affiliation: Purdue University, UT MD Anderson Cancer Center
Abstract Preview: Purpose: To investigate the noise characteristics of a clinical photon counting detector CT (PCD-CT) system along axial and through-plane (Z) dimensions using 3D NPS measurements.
Methods: This stu...
Authors: Jiankui Yuan, Dandan Zheng, Tingliang Zhuang
Affiliation: Medical Artificial Intelligence and Automation (MAIA) Laboratory, Department of Radiation Oncology, UT Southwestern Medical Center, University of Rochester, Varian Medical Systems, Advanced Oncology Solutions
Abstract Preview: Purpose: In Monte Carlo (MC) radiation therapy dose calculations, latent variance exists when directly applying phase-space files (PSF) with a finite number of source particles, while the latter is pr...