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https://www.readbyqxmd.com/read/28078667/philanthropy-in-health-professions-education-research-determinants-of-success
#1
Robert Paul, Elisa Hollenberg, Brian D Hodges
CONTEXT: Fund-raising is a new practice in medical education research. OBJECTIVES: This qualitative study explores a cross-sectional analysis of philanthropy in medical education in Canada and Europe and identifies some common characteristics in the fund-raising system, key roles and characteristics of research sites that have had success. METHODS: Medical education research sites that had received donations greater than Can$100 000 were identified by searching publicly available sources...
January 11, 2017: Medical Education
https://www.readbyqxmd.com/read/28069732/weight-management-practices-associated-with-pcos-and-their-relationships-with-diet-and-physical-activity
#2
L J Moran, W J Brown, S A McNaughton, A E Joham, H J Teede
STUDY QUESTION: Do weight management practices differ in women with and without PCOS? SUMMARY ANSWER: Women in the general population with self-reported PCOS are more likely to be using healthy weight management practices and alternative non-lifestyle measures for weight management than women without PCOS. WHAT IS KNOWN ALREADY: Lifestyle management is the first-line treatment in PCOS. However, the specific weight management practices used by women with PCOS and their effect on diet and physical activity are unclear...
January 8, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28057203/expanding-public-health-in-china-an-empirical-analysis-of-healthcare-inputs-and-outputs
#3
F Deng, J H Lv, H L Wang, J M Gao, Z L Zhou
OBJECTIVES: The Chinese Government claims that China's health policy is primarily focused on prevention. However, this does not appear to be the case. Researchers with an interest in China's health policy may be aware that the Chinese Government launched a health reform in 2009 to improve the health status of the entire population by 2020.(1) This health reform has been in place for 7 years, and only 4 years now remain to achieve the overall objectives by 2020. This study analyzed the main inputs and outputs of China's health reform in order to identify the main problems and highlight the major challenges...
January 2017: Public Health
https://www.readbyqxmd.com/read/28048813/mo-fg-209-04-dbt-applications-of-feature-adaptive-visual-search-model-oberver
#4
M Das
: This symposium will review recent advances in the simulation methods for evaluation of novel breast imaging systems - the subject of AAPM Task Group TG234. Our focus will be on the various approaches to development and validation of software anthropomorphic phantoms and their use in the statistical assessment of novel imaging systems using such phantoms along with computational models for the x-ray image formation process. Due to the dynamic development and complex design of modern medical imaging systems, the simulation of anatomical structures, image acquisition modalities, and the image perception and analysis offers substantial benefits of reduced cost, duration, and radiation exposure, as well as the known ground-truth and wide variability in simulated anatomies...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048745/tu-d-brc-01-novel-applications-for-current-epid-technology
#5
J Rottmann
There has been increased deployment of gantry-mounted linacs with onboard kilovoltage x-ray imagers. Despite this trend, most clinics still employ beam's-eye-view (BEV) imaging using flat panel electronic portal imaging devices (EPIDs) as a highly useful means of verifying geometric localization pre- and post-delivery. In recent years, there has been increased interest in the use of EPIDs for a variety of clinical and investigational applications ranging from megavoltage cone-beam CT, in vivo dosimetry, patient-specific QA to real-time target localization for dynamic MLC-based tumor tracking...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048735/mo-fg-209-00-recent-advances-in-virtual-tools-for-validation-of-3d-4d-breast-imaging-systems-tg234
#6
Predrag Bakic, Kyle Myers
: This symposium will review recent advances in the simulation methods for evaluation of novel breast imaging systems - the subject of AAPM Task Group TG234. Our focus will be on the various approaches to development and validation of software anthropomorphic phantoms and their use in the statistical assessment of novel imaging systems using such phantoms along with computational models for the x-ray image formation process. Due to the dynamic development and complex design of modern medical imaging systems, the simulation of anatomical structures, image acquisition modalities, and the image perception and analysis offers substantial benefits of reduced cost, duration, and radiation exposure, as well as the known ground-truth and wide variability in simulated anatomies...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048570/we-ab-204-05-d-i-in-nih-funding-research
#7
D Chew
: Many efforts have been made to increase diversity in the science workforce. In order for us to be competitive in innovation and ingenuity we need to reach out to any source of intellectual talent. Having greater diversity can only increase the creativity in medical physics. In order for students to succeed academically they need role models and mentors with whom they can identify. Literature has shown that racial and ethnic diversity has both direct and indirect positive effects on the educational outcomes, career advancement and motivation of students...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048515/th-ab-207a-09-tailoring-tcm-schemes-to-a-task-evaluating-the-impact-of-customized-tcm-profiles-on-detection-of-lung-nodules-in-simulated-ct-lung-cancer-screening
#8
J Hoffman, F Noo, S Young, M McNitt-Gray
PURPOSE: Recent work has shown that current TCM profile designs boost detection of low-contrast lung lesions in the lung apices, but yield reduced detection performance in the mid and lower lung regions relative to fixed tube current cases. This observed imbalance suggests that the TCM scheme might be tailored in new ways to maximize nodule detection throughout the entire lung. In this work, we begin a preliminary investigation into custom TCM profiles in an attempt to achieve uniform lesion detection throughout the extent of the lung...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048500/we-h-202-04-advanced-medical-image-registration-techniques
#9
G Christensen
: Deformable image registration has now been commercially available for several years, with solid performance in a number of sites and for several applications including contour and dose mapping. However, more complex applications have arisen, such as assessing response to radiation therapy over time, registering images pre- and post-surgery, and auto-segmentation from atlases. These applications require innovative registration algorithms to achieve accurate alignment. The goal of this session is to highlight emerging registration technology and these new applications...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048394/we-h-202-00-session-in-memory-of-jean-pouliot-next-generation-deformable-image-registration
#10
Geoffrey Hugo
: Deformable image registration has now been commercially available for several years, with solid performance in a number of sites and for several applications including contour and dose mapping. However, more complex applications have arisen, such as assessing response to radiation therapy over time, registering images pre- and post-surgery, and auto-segmentation from atlases. These applications require innovative registration algorithms to achieve accurate alignment. The goal of this session is to highlight emerging registration technology and these new applications...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048355/th-cd-207a-04-optimized-respiratory-gating-for-abnormal-breathers-in-pancreatic-sbrt
#11
W Campbell, M Miften, T Schefter, K Goodman, B Jones
PURPOSE: Pancreatic SBRT is uniquely challenging due to both the erratic/unstable motion of the pancreas and the close proximity of the radiosensitive small bowel. Respiratory gating can mitigate this effect, but the irregularity of motion severely affects traditional phase-based gating. The purpose of this study was to analyze real-time motion data of pancreatic tumors to optimize the efficacy and accuracy of respiratory gating, with the overall goal of enabling dose escalated pancreatic SBRT...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048161/mo-fg-209-05-towards-a-feature-based-anthropomorphic-model-observer
#12
A Avanaki
: This symposium will review recent advances in the simulation methods for evaluation of novel breast imaging systems - the subject of AAPM Task Group TG234. Our focus will be on the various approaches to development and validation of software anthropomorphic phantoms and their use in the statistical assessment of novel imaging systems using such phantoms along with computational models for the x-ray image formation process. Due to the dynamic development and complex design of modern medical imaging systems, the simulation of anatomical structures, image acquisition modalities, and the image perception and analysis offers substantial benefits of reduced cost, duration, and radiation exposure, as well as the known ground-truth and wide variability in simulated anatomies...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048087/tu-d-brc-02-free-information-epid-based-in-vivo-dosimetry
#13
P Greer
There has been increased deployment of gantry-mounted linacs with onboard kilovoltage x-ray imagers. Despite this trend, most clinics still employ beam's-eye-view (BEV) imaging using flat panel electronic portal imaging devices (EPIDs) as a highly useful means of verifying geometric localization pre- and post-delivery. In recent years, there has been increased interest in the use of EPIDs for a variety of clinical and investigational applications ranging from megavoltage cone-beam CT, in vivo dosimetry, patient-specific QA to real-time target localization for dynamic MLC-based tumor tracking...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048077/mo-fg-209-01-introduction
#14
K Myers
: This symposium will review recent advances in the simulation methods for evaluation of novel breast imaging systems - the subject of AAPM Task Group TG234. Our focus will be on the various approaches to development and validation of software anthropomorphic phantoms and their use in the statistical assessment of novel imaging systems using such phantoms along with computational models for the x-ray image formation process. Due to the dynamic development and complex design of modern medical imaging systems, the simulation of anatomical structures, image acquisition modalities, and the image perception and analysis offers substantial benefits of reduced cost, duration, and radiation exposure, as well as the known ground-truth and wide variability in simulated anatomies...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047749/we-h-202-01-memorial-introduction
#15
N Kirby
: Deformable image registration has now been commercially available for several years, with solid performance in a number of sites and for several applications including contour and dose mapping. However, more complex applications have arisen, such as assessing response to radiation therapy over time, registering images pre- and post-surgery, and auto-segmentation from atlases. These applications require innovative registration algorithms to achieve accurate alignment. The goal of this session is to highlight emerging registration technology and these new applications...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047697/su-f-t-661-dependence-of-gold-nano-particles-cluster-morphology-on-dose-enhancement-of-photon-radiation-therapy-apply-for-radiation-biology-effect
#16
S Ahn, K Chung, Y Han, H Park
PURPOSE: Injected gold nano particles (GNPs) to a body for dose enhancement are known to form in the tumorcell cluster morphology. We investigated the dependence of dose enhancement on the morphology characteristic with an approximated morphology model by using Monte Carlo simulations. METHODS: For MC simulation, TOPAS version 2.0P-03 was used. GNP cluster morphology was approximated as a body center cubic(BCC) model by placing 8 GNPs at the corner and one at the center of cube with length from 2...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047419/mo-fg-209-02-development-of-a-virtual-breast-phantom-from-a-multi-modality-perspective
#17
C Graff
: This symposium will review recent advances in the simulation methods for evaluation of novel breast imaging systems - the subject of AAPM Task Group TG234. Our focus will be on the various approaches to development and validation of software anthropomorphic phantoms and their use in the statistical assessment of novel imaging systems using such phantoms along with computational models for the x-ray image formation process. Due to the dynamic development and complex design of modern medical imaging systems, the simulation of anatomical structures, image acquisition modalities, and the image perception and analysis offers substantial benefits of reduced cost, duration, and radiation exposure, as well as the known ground-truth and wide variability in simulated anatomies...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047096/we-h-202-02-biomechanical-modeling-of-anatomical-response-over-the-course-of-therapy
#18
K Brock
: Deformable image registration has now been commercially available for several years, with solid performance in a number of sites and for several applications including contour and dose mapping. However, more complex applications have arisen, such as assessing response to radiation therapy over time, registering images pre- and post-surgery, and auto-segmentation from atlases. These applications require innovative registration algorithms to achieve accurate alignment. The goal of this session is to highlight emerging registration technology and these new applications...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047048/su-f-t-662-feasibility-study-of-fe3o4-taox-nano-particles-as-a-radiosensitizer-for-radiation-therapy
#19
S Ahn, N Lee, S Shin, C Choi, Y Han, H Park, D Choi, D Lim
PURPOSE: To investigate the feasibility of using multifunctional Fe3 O4 /TaOx(core / shell) nano particles developed for CT and MRI contrast agent as dose enhancing radiosensitizers. METHODS: Firstly, to verify the imaging detectability of Fe3 O4 /TaOx nano particles, in-vivo tests were conducted. Approximately 600 mg/kg of 19 nm diameter Fe3 O4 /TaOx nano particles dispersed in phosphate buffered saline(PBS) were injected to ten nude Balb/c mice through the tail vein...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046754/mo-fg-209-03-simulation-of-breast-anatomy-at-the-cellular-scale
#20
P Bakic
: This symposium will review recent advances in the simulation methods for evaluation of novel breast imaging systems - the subject of AAPM Task Group TG234. Our focus will be on the various approaches to development and validation of software anthropomorphic phantoms and their use in the statistical assessment of novel imaging systems using such phantoms along with computational models for the x-ray image formation process. Due to the dynamic development and complex design of modern medical imaging systems, the simulation of anatomical structures, image acquisition modalities, and the image perception and analysis offers substantial benefits of reduced cost, duration, and radiation exposure, as well as the known ground-truth and wide variability in simulated anatomies...
June 2016: Medical Physics
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