Jean M. Moran
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View article: Clinical experience with a same‐day simulation and treatment program for stereotactic radiation therapy on a C‐arm linac
Clinical experience with a same‐day simulation and treatment program for stereotactic radiation therapy on a C‐arm linac Open
Purpose We report our experience with the implementation of a same‐day simulation and treatment C‐arm linear accelerator (linac)‐based stereotactic program for patients with intracranial and extracranial metastatic disease. Methods Between…
View article: Dynamic cone beam CT reconstruction via spatiotemporal Gaussian neural representation
Dynamic cone beam CT reconstruction via spatiotemporal Gaussian neural representation Open
Background In image‐guided radiotherapy (IGRT), four‐dimensional cone‐beam computed tomography (4D‐CBCT) is critical for assessing tumor motion during a patient's breathing cycle prior to beam delivery. However, generating 4D‐CBCT images w…
View article: Super‐resolution CBCT on a new generation flat panel imager of a C‐arm gantry linear accelerator
Super‐resolution CBCT on a new generation flat panel imager of a C‐arm gantry linear accelerator Open
Background Kilovoltage cone‐beam computed tomography (kV CBCT) is vital for image‐guided radiotherapy (IGRT). The new RTI4343iL panel on the Varian TrueBeam LINAC offers higher resolution but requires binning to achieve practical frame rat…
View article: Spatiotemporal Gaussian Optimization for 4D Cone Beam CT Reconstruction from Sparse Projections
Spatiotemporal Gaussian Optimization for 4D Cone Beam CT Reconstruction from Sparse Projections Open
In image-guided radiotherapy (IGRT), four-dimensional cone-beam computed tomography (4D-CBCT) is critical for assessing tumor motion during a patients breathing cycle prior to beam delivery. However, generating 4D-CBCT images with sufficie…
View article: Deep learning‐based target decomposition for markerless lung tumor tracking in radiotherapy
Deep learning‐based target decomposition for markerless lung tumor tracking in radiotherapy Open
Background In radiotherapy, real‐time tumor tracking can verify tumor position during beam delivery, guide the radiation beam to target the tumor, and reduce the chance of a geometric miss. Markerless kV x‐ray image‐based tumor tracking is…
View article: Toward quantitative intrafractional monitoring in paraspinal SBRT using a proprietary software application: clinical implementation and patient results
Toward quantitative intrafractional monitoring in paraspinal SBRT using a proprietary software application: clinical implementation and patient results Open
Objective. We report on paraspinal motion and the clinical implementation of our proprietary software that leverages Varian’s intrafraction motion review (IMR) capability for quantitative tracking of the spine during paraspinal SBRT. The w…
View article: Patient specific prior cross attention for kV decomposition in paraspinal motion tracking
Patient specific prior cross attention for kV decomposition in paraspinal motion tracking Open
Background X‐ray image quality is critical for accurate intrafraction motion tracking in radiation therapy. Purpose: This study aims to develop a deep‐learning algorithm to improve kV image contrast by decomposing the image into bony and s…
View article: Enhancing the target visibility with synthetic target specific digitally reconstructed radiograph for intrafraction motion monitoring: A proof‐of‐concept study
Enhancing the target visibility with synthetic target specific digitally reconstructed radiograph for intrafraction motion monitoring: A proof‐of‐concept study Open
Background Intrafraction motion monitoring in External Beam Radiation Therapy (EBRT) is usually accomplished by establishing a correlation between the tumor and the surrogates such as an external infrared reflector, implanted fiducial mark…
View article: AAPM Task Group Report 307: Use of EPIDs for Patient‐Specific IMRT and VMAT QA
AAPM Task Group Report 307: Use of EPIDs for Patient‐Specific IMRT and VMAT QA Open
Purpose Electronic portal imaging devices (EPIDs) have been widely utilized for patient‐specific quality assurance (PSQA) and their use for transit dosimetry applications is emerging. Yet there are no specific guidelines on the potential u…
View article: Automated VMAT treatment planning using sequential convex programming: algorithm development and clinical implementation
Automated VMAT treatment planning using sequential convex programming: algorithm development and clinical implementation Open
Objective. To develop and clinically implement a fully automated treatment planning system (TPS) for volumetric modulated arc therapy (VMAT). Approach. We solve two constrained optimization problems sequentially. The tumor coverage is maxi…
View article: Women in Medical Physics
Women in Medical Physics Open
Peer Reviewed
View article: Multi-Institutional Stereotactic Body Radiation Therapy Incident Learning: Evaluation of Safety Barriers Using a Human Factors Analysis and Classification System
Multi-Institutional Stereotactic Body Radiation Therapy Incident Learning: Evaluation of Safety Barriers Using a Human Factors Analysis and Classification System Open
Objectives Stereotactic body radiation therapy (SBRT) can improve therapeutic ratios and patient convenience, but delivering higher doses per fraction increases the potential for patient harm. Incident learning systems (ILSs) are being inc…
View article: Mediators of Racial Disparities in Heart Dose Among Whole Breast Radiotherapy Patients
Mediators of Racial Disparities in Heart Dose Among Whole Breast Radiotherapy Patients Open
Background Racial disparities in survival of patients with cancer motivate research to quantify treatment disparities and evaluate multilevel determinants. Previous research has not evaluated cardiac radiation dose in large cohorts of brea…
View article: Identifying Patients Whose Symptoms Are Underrecognized During Treatment With Breast Radiotherapy
Identifying Patients Whose Symptoms Are Underrecognized During Treatment With Breast Radiotherapy Open
The results of this cohort study suggest that PRO collection may be essential for trials because relying on the CTCAE to detect adverse events may miss important symptoms. Moreover, since physicians in this study systematically missed subs…
View article: A roadmap to clinical trials for FLASH
A roadmap to clinical trials for FLASH Open
While FLASH radiation therapy is inspiring enthusiasm to transform the field, it is neither new nor well understood with respect to the radiobiological mechanisms. As FLASH clinical trials are designed, it will be important to ensure we ca…
View article: Gender Equity in Radiation Oncology: Culture Change Is a Marathon, Not a Sprint
Gender Equity in Radiation Oncology: Culture Change Is a Marathon, Not a Sprint Open
The specialty of radiation oncology's gender diversity is lagging other medical specialties. The lack of gender diversity in radiation oncology has been demonstrated at all stages of career, from medical schools to department chairs. Multi…
View article: A qualitative investigation of resilience and well‐being among medical physics residents
A qualitative investigation of resilience and well‐being among medical physics residents Open
Purpose Medical physics residents (MPRs) will define and shape the future of physics in medicine. We sought to better understand the residency experience, as related to resilience and well‐being, through the lens of current MPRs and medica…
View article: A simulation study of ionizing radiation acoustic imaging (iRAI) as a real‐time dosimetric technique for ultra‐high dose rate radiotherapy (UHDR‐RT)
A simulation study of ionizing radiation acoustic imaging (iRAI) as a real‐time dosimetric technique for ultra‐high dose rate radiotherapy (UHDR‐RT) Open
Purpose Electron‐based ultra‐high dose rate radiation therapy (UHDR‐RT), also known as Flash‐RT, has shown the ability to improve the therapeutic index in comparison to conventional radiotherapy (CONV‐RT) through increased sparing of norma…
View article: Report of AAPM Task Group 219 on independent calculation‐based dose/MU verification for IMRT
Report of AAPM Task Group 219 on independent calculation‐based dose/MU verification for IMRT Open
Independent verification of the dose per monitor unit (MU) to deliver the prescribed dose to a patient has been a mainstay of radiation oncology quality assurance (QA). We discuss the role of secondary dose/MU calculation programs as part …
View article: Gender Differences in Work–Life Integration Among Medical Physicists
Gender Differences in Work–Life Integration Among Medical Physicists Open
Medical physicists experience challenges in managing work-life conflict amid a diverse array of personal and professional responsibilities. Further investigations are needed to quantitatively assess the division of work and household labor…