This webinar will highlight future enhancements to standards and practices associated with Cone Beam CT imaging.  It will feature several physicists and how they are collaborating on developing a uniform phantom that will help standardize physics testing for different Cone Beam CT imaging systems.  The presenters will provide a detailed overview on how Cone Beam CT imaging systems operate and how to optimize clinical and quality outputs through standardized measurement protocols.

Date & Time:

August 11th, 2020
2 p.m. to 3 p.m. EDT

About the presenters:

Jone Boone Photo

John M. Boone, PhD

University of California Davis

John M. Boone, PhD, is professor of radiology at the University of California Davis and holds an appointment in the Department of Biomedical Engineering there. He received his undergraduate degree in biophysics at UC Berkeley and finished his graduate work in medical physics at the University of California Irvine. He is board-certified by the American Board of Radiology in diagnostic radiological physics. Dr. Boone has many research interests, but he has focused recently on breast dosimetry and the development of breast computed tomography (bCT) for breast cancer screening and diagnostic evaluation. His lab has designed, fabricated, and tested four prototype breast CT scanners, and more than 600 women have been scanned on these systems. His research on breast CT has focused on technical development, clinical assessment, observer performance, and mathematical image characterization. Dr. Boone also has research interests in image quality assessment and patient dosimetry in computed tomography, spectral modeling, and artificial intelligence applications in diagnostic radiology.

Dr. Boone is co-author of the medical imaging textbook, Essential Physics of Medical Imaging, and is a commissioner of the International Commission on Radiation Units (ICRU). He is a fellow of the American Association of Physicists in Medicine (AAPM), the American College of Radiology (ACR), the Society of Breast Imaging (SBI), the American Institute for Medical and Biological Engineering (AIMBE), and the Society of Photo-optical Instrumentation Engineering (SPIE).

Joshua Levy Photo

Joshua Levy

The Phantom Laboratory

Joshua Levy has more than 30 years of phantom design experience with a major focus on CT performance analysis. Working with numerous medical physicists, he has been involved with both anthropomorphic and geometric phantom designs. He has designed numerous phantoms which are used around the world by physicists, engineers, technicians, and scientists to test and verify the performance of medical equipment including medical imaging equipment. The most notable achievements are the Magphan® Quantitative Imaging phantom, used in MR neurological studies including the ADNI study, and the Catphan® phantoms, which are used internationally as a standard for comparison for CT image quality performance. In addition to these, a notable patent is the design for the Tomophan® phantom (tomosynthesis imaging). As President of The Phantom Laboratory, he has led all of the company’s design and engineering projects since 1989, including custom phantoms, EOM phantoms, and the company’s own products.

Jeffery Siewerdsen Photo

Jeffrey H. Siewerdsen, PhD, FAAPM, FAIMBE

Johns Hopkins University

Jeff Siewerdsen is the John C. Malone Professor and Vice-Chair of Biomedical Engineering at Johns Hopkins University, with appointments in Radiology, Neurosurgery, Computer Science, and the Armstrong Institute for Patient Safety and Quality. His scientific contributions focus on new medical imaging technology and algorithms, primarily in the development and application of cone-beam CT (CBCT) for diagnostic and image-guided procedures. He was on the team that developed the current standard of care in image-guided radiotherapy and has led advancement of CBCT systems for image-guided surgery and orthopaedic imaging. He has authored 200+ papers in peer-review journals, holds 50+ patents on medical imaging technology, and leads interdisciplinary research in medical imaging at the I-STAR Lab, and the Carnegie Center for Surgical Innovation at the Johns Hopkins School of Medicine. His professional activity includes 20 years of service at various levels in the American Association of Physicists in Medicine (AAPM), as well as various appointments with the RSNA and SPIE. Dr. Siewerdsen obtained his PhD in Physics from the University of Michigan (1998), worked as a Research Scientist at William Beaumont Hospital (1998-2002), then as faculty at the University of Toronto / Ontario Cancer Institute (2002-09), and at the Johns Hopkins University (2009-present).

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