Wayne Newhauser
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View article: A Review of Numerical Models of Radiation Injury and Repair Considering Subcellular Targets and the Extracellular Microenvironment
A Review of Numerical Models of Radiation Injury and Repair Considering Subcellular Targets and the Extracellular Microenvironment Open
Astronauts in space are subject to continuous exposure to ionizing radiation. There is concern about the acute and late-occurring adverse health effects that astronauts could incur following a protracted exposure to the space radiation env…
View article: A Review of Numerical Models of Radiation Injury and Repair Considering Subcellular Targets and the Extracellular Microenvironment
A Review of Numerical Models of Radiation Injury and Repair Considering Subcellular Targets and the Extracellular Microenvironment Open
Astronauts in space are subject to a continuous bombardment of ionizing radiation. The Earth's magnetic field and the ISS shield some biologically damaging particles traveling through. Still, travel beyond low-Earth orbit and extravehicula…
Editorial: Out-of-field second primary cancer induction: Dosimetry and modelling Open
EDITORIAL article Front. Oncol., 05 December 2022Sec. Radiation Oncology Volume 12 - 2022 | https://doi.org/10.3389/fonc.2022.1076792
Medical physics workforce in the United States Open
Medical physics is an applied science, with subspecialties in radiation therapy, imaging, nuclear medical physics, and medical health physics (radiation protection). Examples of applications heavily dependent on medical physics expertise i…
View article: Summary and conclusions, and abbreviations and acronyms
Summary and conclusions, and abbreviations and acronyms Open
Peer Reviewed
View article: Health physics workforce in the United States
Health physics workforce in the United States Open
Health physics is an applied science field focused on the protection of workers, patients, the general public, and the environment from ionizing and nonionizing radiation sources. The role of the health physicist (HP), and the recognition …
View article: The professional radiation workforce in the United States
The professional radiation workforce in the United States Open
Peer Reviewed
Medical workforce in the United States Open
This section focuses on the professional workforce comprised of the primary medical specialties that utilize ionizing radiation in their practices. Those discussed include the specialties of radiology and radiation oncology, as well as the…
View article: Academic program recommendations for graduate degrees in medical physics: AAPM Report No. 365 (Revision of Report No. 197)
Academic program recommendations for graduate degrees in medical physics: AAPM Report No. 365 (Revision of Report No. 197) Open
This report details curricular recommendations for graduate degrees in medical physics and serves as an update to Report No. 197. In this section, we review the history of American Association of Physicists in Medicine (AAPM) curricular re…
View article: Applications of a patient-specific whole-body CT-mesh hybrid computational phantom in second cancer risk prediction
Applications of a patient-specific whole-body CT-mesh hybrid computational phantom in second cancer risk prediction Open
Objective. CT-mesh hybrid phantoms (or ‘hybrid(s)’) made from integrated patient CT data and mesh-type reference computational phantoms (MRCPs) can be beneficial for patient-specific whole-body dose evaluation, but this benefit has yet to …
View article: Interviewing for residency positions while completing a graduate degree: Considerations for graduate students, mentors, and program directors
Interviewing for residency positions while completing a graduate degree: Considerations for graduate students, mentors, and program directors Open
The pipeline of new clinical medical physicists in the United States includes graduate education followed by residency training. A major bottleneck occurs as students on the verge of completing their advanced degree programs seek positions…
Personalized 3D-printed anthropomorphic whole-body phantom irradiated by protons, photons, and neutrons Open
The objective of this study was to confirm the feasibility of three-dimensionally-printed (3D-printed), personalized whole-body anthropomorphic phantoms for radiation dose measurements in a variety of charged and uncharged particle radiati…
View article: A patient-specific hybrid phantom for calculating radiation dose and equivalent dose to the whole body
A patient-specific hybrid phantom for calculating radiation dose and equivalent dose to the whole body Open
Objective . As cancer survivorship increases, there is growing interest in minimizing the late effects of radiation therapy such as radiogenic second cancer, which may occur anywhere in the body. Assessing the risk of late effects requires…
Current state of the imaging physics workforce and financial model Open
Nearly every citizen depends, directly or indirectly, on the services of medical physicists to ensure high-quality and safe medical care. Medical physicists have a large societal impact, like those of engineers and teachers. In contrast to…
View article: Preliminary tests of dosimetric quality and projected therapeutic outcomes of multi-phase 4D radiotherapy with proton and carbon ion beams
Preliminary tests of dosimetric quality and projected therapeutic outcomes of multi-phase 4D radiotherapy with proton and carbon ion beams Open
Objective . The purpose of this study was to perform preliminary pre-clinical tests to compare the dosimetric quality of two approaches to treating moving tumors with ion beams: synchronously delivering the beam with the motion of a moving…
View article: Dosimetric Validation of a System to Treat Moving Tumors Using Scanned Ion Beams That Are Synchronized With Anatomical Motion
Dosimetric Validation of a System to Treat Moving Tumors Using Scanned Ion Beams That Are Synchronized With Anatomical Motion Open
Purpose The purpose of this study was to validate the dosimetric performance of scanned ion beam deliveries with motion-synchronization to heterogenous targets. Methods A 4D library of treatment plans, comprised of up to 10 3D sub-plans, w…
A Modular System for Treating Moving Anatomical Targets With Scanned Ion Beams at Multiple Facilities: Pre-Clinical Testing for Quality and Safety of Beam Delivery Open
Background Quality management and safety are integral to modern radiotherapy. New radiotherapy technologies require new consensus guidelines on quality and safety. Established analysis strategies, such as the failure modes and effects anal…
A facility for the research, development, and translation of advanced technologies for ion-beam therapies Open
This article describes the updated GSI radiotherapy research facility (Cave M) located at the GSI Helmholtz Center for Heavy Ion Research in Darmstadt, Germany. This facility was upgraded by modernizing the beamline that supported a pilot …
Three discipline collaborative radiation therapy (3DCRT) special debate: The United States should build additional proton therapy facilities Open
Radiation Oncology is a highly multidisciplinary medical specialty, drawing significantly from three scientific disciplines – medicine, physics, and biology. As a result, discussion of controversies or changes in practice within radiation …
Low- and middle-income countries can reduce risks of subsequent neoplasms by referring pediatric craniospinal cases to centralized proton treatment centers Open
Few children with cancer in low- and middle-income countries (LMICs) have access to proton therapy. Evidence exists to support replacing photon therapy with proton therapy to reduce the incidence of secondary malignant neoplasms (SMNs) in …
A descriptive and broadly applicable model of therapeutic and stray absorbed dose from 6 to 25 MV photon beams Open
We have developed a simple analytical model of absorbed dose from external beam radiotherapy treatments in the 6 to 25 MV beam energy range. The model has been tested on measured data from multiple treatment machines and techniques, and is…
Impact of multileaf collimator configuration parameters on the dosimetric accuracy of 6-MV Intensity-Modulated radiation therapy treatment plans Open
The purpose of this study was to evaluate the impact of selected configuration parameters that govern multileaf collimator (MLC) transmission and rounded leaf offset in a commercial treatment planning system (TPS) (Pinnacle3, Philips Medic…
A treatment planning comparison of volumetric modulated arc therapy and proton therapy for a sample of breast cancer patients treated with post-mastectomy radiotherapy Open
Purpose: The delivery of post-mastectomy radiotherapy (PMRT) can be challenging for patients with left-sided breast cancer due to the planning target volume (PTV) size and proximity to critical organs. This study investigates the use of pr…
A Review of Radiotherapy-Induced Late Effects Research after Advanced Technology Treatments Open
The number of incident cancers and long-term cancer survivors is expected to increase substantially for at least a decade. Advanced technology radiotherapies, e.g., using beams of protons and photons, offer dosimetric advantages that theor…