A5067361453- Advances in Oncology and Radiotherapy
- Advanced Radiotherapy Techniques
- Radiation Dose and Imaging
- Diversity and Career in Medicine
- Medical Imaging Techniques and Applications
- Health and Medical Research Impacts
- Cancer, Hypoxia, and Metabolism
- Glioma Diagnosis and Treatment
- Radiation Therapy and Dosimetry
- Radiology practices and education
- Mathematical Biology Tumor Growth
- Lung Cancer Diagnosis and Treatment
- Radiomics and Machine Learning in Medical Imaging
- Medical Education and Admissions
- Biomedical and Engineering Education
- Patient Safety and Medication Errors
- Advanced X-ray and CT Imaging
- Scientific Computing and Data Management
- Atomic and Subatomic Physics Research
- Effects of Radiation Exposure
- Ethics in medical practice
- Cold Atom Physics and Bose-Einstein Condensates
- Medical Malpractice and Liability Issues
- Innovations in Medical Education
- Quantum optics and atomic interactions
University of Washington
2014-2025
Barrow Neurological Institute
2021-2023
University of Washington Medical Center
2005-2018
Seattle University
2015
Johns Hopkins University
2015
Sunnybrook Health Science Centre
2015
Health Sciences Centre
2015
Sunnybrook Research Institute
2015
Google (United States)
2015
IBM Research - Thomas J. Watson Research Center
1992
Glioblastoma multiforme (GBM) is the most malignant form of primary brain tumors known as gliomas. They proliferate and invade extensively yield short life expectancies despite aggressive treatment. Response to treatment usually measured in terms survival groups patients treated similarly, but this statistical approach misses subgroups that may have responded or been injured by Such statistics offer scant reassurance individual who suffered through these treatments. Furthermore, current...
Glioblastoma multiforme (GBM) is a highly invasive primary brain tumour that has poor prognosis despite aggressive treatment. A hallmark of these tumours diffuse invasion into the surrounding brain, necessitating multi-modal treatment approach, including surgery, radiation and chemotherapy. We have previously demonstrated ability our model to predict radiographic response immediately following therapy in individual GBM patients using simplified geometry theoretical dose. Using only two...
Abstract Introduction The American Association of Physicists in Medicine (AAPM) recently shared results and recommendations from its first Equity, Diversity, Inclusion (EDI) Climate Survey, which was designed to assess the climate at workplace, AAPM organization, regional chapter level. This work further explores status EDI Methods AAPM's Survey distributed 5500 members had a response rate 25%. In survey, three open‐ended comment boxes were provided for feedback, including one members....
The American Association of Physicists in Medicine (AAPM) shares the results, conclusions, and recommendations from initial Equity, Diversity, Inclusion Climate Survey conducted 2021.The climate survey targeted medical physicists who are full members AAPM included demographic inquiries questions intended to assess working environmental terms a sense belonging inclusion, experiences discrimination harassment, obstacles participation within AAPM. invitation was sent 5,500 members. Responses...
The increasing interest in combined positron emission tomography (PET) and computed (CT) to guide lung cancer radiation therapy planning has been well documented. Motion management strategies during treatment simulation PET/CT imaging delivery have proposed improve the precision accuracy of radiotherapy. In light these research advances, why translation motion-managed clinical radiotherapy slow infrequent? Solutions this problem are as complex they numerous, driven by large inter-patient...
We have prepared films of InGaP on GaAs substrates using gas-source molecular-beam epitaxy. Unintentionally doped is n-type, with the net electron concentration as low 1× 1015 cm−3 associated 300 K mobility 2100 cm2/V s. Photoluminescence and photoluminescence excitation spectra at 2 undoped show free exciton luminescence line widths narrow 8.5 meV. Such high quality layers were incorporated insulating layer into p−-i-p+ n−-i-n+ GaAs–InGaP–GaAs heterojunction capacitors. Current–voltage...
We have employed the method of shelving to measure Zeeman resonances a single trapped Ba+ ion. use optical pumping place ion in selected magnetic sublevel either 6S(1/2) ground state or 5D(3/2) metastable state. The is exposed an rf field, and probing/shelving mechanism detects whether spin-flip transitions taken place. observed with linewidths 15 Hz, limited by magnetic-field noise. also shift frequency when illuminated off-resonant light. A simultaneous measurement such light shifts two...
Physicians and physicists are expected to contribute patient safety quality improvement (QI) in Radiation Oncology (RO), but prior studies suggest that training for this may be inadequate. RO medical physics (MP) program directors (PDs) were surveyed better understand the current safety/QI their residency programs. PDs via email January 2017. Survey questions inquired about training, curriculum elements, barriers development and/or of QI training. Eighty-nine 84 MP surveyed, 21 (28%) 31...
The review of a radiation therapy plan by physicist prior to treatment is standard tool for ensuring the quality treatments. However, little known about how well this task performed in practice. goal study present novel method measure effectiveness physics introducing simulated errors into computerized "mock" charts and measuring performance physicists.We generated six containing multiple errors. To select errors, we compiled list based on events from departmental incident learning system an...
Abstract Purpose The education and training landscape has been profoundly reshaped by the ABR 2012/2014 initiative MedPhys Match. This work quantifies these changes summarizes available reports, surveys, statistics on training. Methods We evaluate data from CAMPEP ‐accredited program websites, annual graduate residency surveys Match Professional Doctorate degree ( DMP ). Results From 2009–2015, number of graduates programs rose 210 to 332, while positions 60 134. estimate that approximately...
The purpose of this survey study is to investigate behaviors in conflict with the ethical standards Medical Physics Residency (MedPhys) Match (MPM) process as stated MPM rules (a) and nondiscrimination regulations Equal Employment Opportunity Commission (EEOC) (b), addition other that may ways erode fairness system.A was sent all applicants program directors registered for 2015 2016 MPM. Survey questions asked about application, interview, postinterview experiences, match results, overall...
Education in patient safety and quality of care is a requirement for radiation oncology residency programs according to accrediting agencies. However, recent surveys indicate that most lack formal program support this learning. The aim report was address gap share experiences with structured educational on designed specifically medical physics therapy residencies. Five key topic areas were identified, drawn from published recommendations quality. A didactic component developed, which...
These days cancer patients who have been advised to consult a radiation oncologist are generally very Internet savvy, and they highly likely go online search for the “best” doctor, clinic, treatment regimen, and/or available technology their specific disease. Despite all of this access searching strategies, it is unlikely that will consider most qualified physicists (or physics team). Frankly, public probably don't even realize existence medical physicists, not mention importance our...
Purpose: To share our clinical experience of an optimized and comprehensive pediatric TBI technique. Methods Materials: Through the use incident learning, safety-critical areas were identified in procedure for total body irradiation (TBI) patients under anesthesia bone-marrow transplant. The previous lacked flexibility to accommodate various requests from team due wide range patient sizes. address this issue improve process overall, we updated simulation, dosimetry planning, setup during...
Monthly QA is recommended to verify the constancy of high-energy electron beams generated for clinical use by linear accelerators. The tolerances are defined as 2%/2 mm in beam penetration according AAPM task group report 142. practical implementation typically achieved measuring ratio readings at two different depths, preferably near depth maximum dose and corresponding half maximum. Based on commissioning data, we show that relationship between ranges energy ratios energies highly...