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https://www.readbyqxmd.com/read/29754467/teaching-treatment-planning-for-protons-with-educational-open-source-software-experience-with-foca-and-matrad
#1
Daniel Sanchez-Parcerisa, Jose Udías
Open-source, MATLAB-based treatment planning systems FoCa and matRAD were used in a pilot project for training prospective medical physicists and postgraduate physics students in treatment planning and beam modeling techniques for proton therapy. In the four exercises designed, students learnt how proton pencil beams are modeled and how dose is calculated in three-dimensional voxelized geometries, how pencil beam scanning plans (PBS) are constructed, the rationale behind the choice of spot spacing in patient plans, and the dosimetric differences between photon IMRT and proton PBS plans...
May 12, 2018: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/29745098/quality-assurance-protocol-for-superficial-and-deep-hyperthermia-systems-established-by-the-hellenic-association-of-medical-physicists-hamp-in-cooperation-with-the-hellenic-society-of-oncologic-hyperthemia-hsoh-a-study-based-on-european-society-for-hyperthermic
#2
Sotiria Triantopoulou, Kalliopi Platoni, Christos Antypas, Pantelis Karaiskos, Christina Armpilia, Nikolaos Uzunoglou, Vassilis Kouloulias
PURPOSE: During the last years hyperthermia is a developing therapeutic modality in Greece. Quality assurance (QA) procedures are essential for ensuring the correct operation of the hyperthermia system and therefore the selective heating of the tumor with minimum toxicity to the surrounding healthy tissues. The European Society for Hyperthermic Oncology (ESHO) has proposed QA guidelines for superficial as well as deep hyperthermia systems. The purpose of this study was to describe the adapted QA protocol for superficial and deep hyperthermia systems established in Greece...
March 2018: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29745011/comp-report-cpqr-technical-quality-control-guidelines-for-major-dosimetry-equipment
#3
Gérard Lagmago Kamta
The Canadian Organization of Medical Physicists (COMP), in close partnership with the Canadian Partnership for Quality Radiotherapy (CPQR) has developed a series of Technical Quality Control (TQC) guidelines for radiation treatment equipment. These guidelines outline the performance objectives that equipment should meet to ensure an acceptable level of radiation treatment quality. The TQC guidelines have been rigorously reviewed and field tested in a variety of Canadian radiation treatment facilities. The development process enables rapid review and update to keep the guidelines current with changes in technology (the most update version of this guideline can be found on the CPQR website)...
May 9, 2018: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/29728229/quality-controls-in-digital-mammography-protocol-of-the-efomp-mammo-working-group
#4
Gisella Gennaro, Simona Avramova-Cholakova, Andrea Azzalini, Maria Luisa Chapel, Margarita Chevalier, Olivera Ciraj, Hugo de Las Heras, Vesna Gershan, Bengt Hemdal, Elizabeth Keavey, Nico Lanconelli, Susanne Menhart, Màrio João Fartaria, Ana Pascoal, Kristin Pedersen, Stefano Rivetti, Veronica Rossetti, Friedrich Semturs, Peter Sharp, Alberto Torresin
This article aims to present the protocol on Quality Controls in Digital Mammography published online in 2015 by the European Federation of Organisations for Medical Physics (EFOMP) which was developed by a Task Force under the Mammo Working Group. The main objective of this protocol was to define a minimum set of easily implemented quality control tests on digital mammography systems that can be used to assure the performance of a system within a set and acceptable range. Detailed step-by-step instructions have been provided, limiting as much as possible any misinterpretations or variations by the person performing...
April 2018: Physica Medica: PM
https://www.readbyqxmd.com/read/29728226/radiomics-in-radiooncology-challenging-the-medical-physicist
#5
REVIEW
Jan C Peeken, Michael Bernhofer, Benedikt Wiestler, Tatyana Goldberg, Daniel Cremers, Burkhard Rost, Jan J Wilkens, Stephanie E Combs, Fridtjof Nüsslin
PURPOSE: Noticing the fast growing translation of artificial intelligence (AI) technologies to medical image analysis this paper emphasizes the future role of the medical physicist in this evolving field. Specific challenges are addressed when implementing big data concepts with high-throughput image data processing like radiomics and machine learning in a radiooncology environment to support clinical decisions. METHODS: Based on the experience of our interdisciplinary radiomics working group, techniques for processing minable data, extracting radiomics features and associating this information with clinical, physical and biological data for the development of prediction models are described...
April 2018: Physica Medica: PM
https://www.readbyqxmd.com/read/29693501/improving-research-in-radiation-oncology-through-interdisciplinary-collaboration
#6
Jay W Burmeister, Monica W Tracey, Sara E Kacin, Michael M Dominello, Michael C Joiner
The contribution of radiation oncology to the future of cancer treatment depends significantly on our continued clinical progress and future research advancements. Such progress relies on multidisciplinary collaboration among radiation oncologists, medical physicists and radiobiologists. Cultivating collaborative educational and research opportunities among these three disciplines and further investing in the infrastructure used to train both clinicians and researchers will therefore help us improve the future of cancer care...
April 25, 2018: Radiation Research
https://www.readbyqxmd.com/read/29692980/leveraging-national-cancer-institute-programmatic-collaboration-for-uterine-cervix-cancer-patient-accrual-in-puerto-rico
#7
Charles A Kunos, Holly A Massett, Annette Galassi, Joan L Walker, Marge J Good, Luis Báez Díaz, Worta McCaskill-Stevens
Women in the U.S. Commonwealth of Puerto Rico (PR) have a higher age-adjusted incidence rate for uterine cervix cancer than the U.S. mainland as well as substantial access and economic barriers to cancer care. The National Cancer Institute (NCI) funds a Minority/Underserved NCI Community Oncology Research Program in PR (PRNCORP) as part of a national network of community-based health-care systems to conduct multisite cancer clinical trials in diverse populations. Participation by the PRNCORP in NCI's uterine cervix cancer clinical trials, however, has remained limited...
2018: Frontiers in Oncology
https://www.readbyqxmd.com/read/29667046/radiotherapy-in-patients-with-cardiac-implantable-electronic-devices-clinical-and-dosimetric-aspects
#8
Giulia Riva, Ombretta Alessandro, Ruggero Spoto, Annamaria Ferrari, Cristina Garibaldi, Federica Cattani, Rosa Luraschi, Elena Rondi, Nicola Colombo, Fulvio Lorenzo Francesco Giovenzana, Carlo Maria Cipolla, Mikolaj Winnicki, Martina Persiani, Fabiana Castelluccia, Massimo Sarra Fiore, Roberto Orecchia, Barbara Alicja Jereczek-Fossa
As a result of aging, the number of patients with cardiac implantable electronic device (CIED) requiring radiotherapy (RT) continues to rise. The aim of this work was to evaluate RT-related malfunctions of CIED in a cohort of patients who underwent RT in our clinic from June 2010 to December 2016. We retrospectively analyzed 93 RT treatments in 63 patients with CIEDs. Patients were treated with 3D conformal RT, intensity-modulated RT and stereotactic RT. We collected clinical characteristics of cancer, models of CIEDs, total RT dose to tumor and radiation energy...
April 17, 2018: Medical Oncology
https://www.readbyqxmd.com/read/29663405/a-career-path-for-pure-academic-medical-physicists-in-radiation-oncology-should-be-established
#9
Ke Sheng, Todd Pawlicki, Jing Cai
Medical physics research has led to many advanced radiation oncology technologies in the past decades, such as intensity modulated radiation therapy (IMRT), stereotactic body radiation therapy (SBRT), and proton therapy. These have fundamentally shaped the current landscape of cancer treatment. It is believed that medical physics research will continue to play an essential role in advancing radiation oncology in the future. However, sustaining a healthy medical physics research workforce is facing substantial challenges, such as limited funding support and lack of protected research time...
April 16, 2018: Medical Physics
https://www.readbyqxmd.com/read/29655921/efomp-policy-statement-16-the-role-and-competences-of-medical-physicists-and-medical-physics-experts-under-2013-59-euratom
#10
Carmel J Caruana, Virginia Tsapaki, John Damilakis, Marco Brambilla, Guadalupe Martín Martín, Asen Dimov, Hilde Bosmans, Gillian Egan, Klaus Bacher, Brendan McClean
On 5 December 2013 the European Council promulgated Directive 2013/59/EURATOM. This Directive is important for Medical Physicists and Medical Physics Experts as it puts the profession on solid foundations and describes it more comprehensively. Much commentary regarding the role and competences has been developed in the context of the European Commission project "European Guidelines on the Medical Physics Expert" published as Radiation Protection Report RP174. The guidelines elaborate on the role and responsibilities under 2013/59/EURATOM in terms of a mission statement and competence profile in the specialty areas of Medical Physics relating to medical radiological services, namely Diagnostic and Interventional Radiology, Radiation Oncology and Nuclear Medicine...
April 11, 2018: Physica Medica: PM
https://www.readbyqxmd.com/read/29603278/deep-nets-vs-expert-designed-features-in-medical-physics-an-imrt-qa-case-study
#11
Yannet Interian, Vincent Rideout, Vasant P Kearney, Gennatas Efstathios, Olivier Morin, Joey Cheung, Timothy Solberg, Gilmer Valdes
PURPOSE: To compare the performance of Deep Neural Networks against a technique designed by domain experts in the prediction of gamma passing rates for Intensity Modulated Radiation Therapy Quality Assurance (IMRT QA). METHOD: 498 IMRT plans across all treatment sites were planned in Eclipse version 11 and delivered using a dynamic sliding window technique on Clinac iX or TrueBeam Linacs. Measurements were performed using a commercial 2D diode array, and passing rates for 3%/3 mm local dose/distance-to-agreement (DTA) were recorded...
March 30, 2018: Medical Physics
https://www.readbyqxmd.com/read/29599081/improvement-of-early-detection-of-breast-cancer-through-collaborative-multi-country-efforts-medical-physics-component
#12
Patricia Mora, Keith Faulkner, Ahmed M Mahmoud, Vesna Gershan, Aruna Kausik, Urban Zdesar, María-Ester Brandan, Serap Kurt, Jasna Davidović, Dina H Salama, Erkin Aribal, Clara Odio, Arvind K Chaturvedi, Zahida Sabih, Saša Vujnović, Diana Paez, Harry Delis
PURPOSE: The International Atomic Energy Agency (IAEA) through a Coordinated Research Project on "Enhancing Capacity for Early Detection and Diagnosis of Breast Cancer through Imaging", brought together a group of mammography radiologists, medical physicists and radiographers; to investigate current practices and improve procedures for the early detection of breast cancer by strengthening both the clinical and medical physics components. This paper addresses the medical physics component...
March 26, 2018: Physica Medica: PM
https://www.readbyqxmd.com/read/29587867/group-consensus-peer-review-in-radiation-oncology-commitment-to-quality
#13
W Neil Duggar, Rahul Bhandari, Chunli Claus Yang, Srinivasan Vijayakumar
BACKGROUND: Peer review, especially prospective peer review, has been supported by professional organizations as an important element in optimal Radiation Oncology practice based on its demonstration of efficacy at detecting and preventing errors prior to patient treatment. Implementation of peer review is not without barriers, but solutions do exist to mitigate or eliminate some of those barriers. METHODS: Peer review practice at our institution involves three key elements: new patient conference, treatment planning conference, and chart rounds...
March 27, 2018: Radiation Oncology
https://www.readbyqxmd.com/read/29544343/electronic-collimation-of-radiographic-images-does-it-comprise-an-overexposure-risk
#14
Ioannis A Tsalafoutas
OBJECTIVE: To investigate whether electronic collimation software, which is available in all digital X-ray systems, may comprise an overexposure risk. METHODS: In the context of surveys on Diagnostic Reference Levels carried out in two radiographic facilities, along with data on exposure factors, the radiographic field sizes were also recorded. In one facility (Unit A), a wireless flat panel detector is used with a conventional X-ray unit, while in the other, a fully digital system is installed (Unit B)...
March 22, 2018: British Journal of Radiology
https://www.readbyqxmd.com/read/29542277/clinical-acceptance-testing-and-scanner-comparison-of-ultrasound-shear-wave-elastography
#15
Zaiyang Long, Donald J Tradup, Pengfei Song, Scott F Stekel, Shigao Chen, Katrina N Glazebrook, Nicholas J Hangiandreou
Because of the rapidly growing use of ultrasound shear wave elastography (SWE) in clinical practices, there is a significant need for development of clinical physics performance assessment methods for this technology. This study aims to report two clinical medical physicists' tasks: (a) acceptance testing (AT) of SWE function on ten commercial ultrasound systems for clinical liver application and (b) comparison of SWE measurements of targets across vendors for clinical musculoskeletal application. For AT, ten GE LOGIQ E9 XDclear 2...
March 15, 2018: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/29542269/comp-report-cpqr-technical-quality-control-guidelines-for-low-dose-rate-permanent-seed-brachytherapy
#16
Luc Beaulieu, Dee-Ann Radford, J Eduardo Villarreal-Barajas
The Canadian Organization of Medical Physicists (COMP), in close partnership with the Canadian Partnership for Quality Radiotherapy (CPQR) has developed a series of Technical Quality Control (TQC) guidelines for radiation treatment equipment. These guidelines outline the performance objectives that equipment should meet in order to ensure an acceptable level of radiation treatment quality. The TQC guidelines have been rigorously reviewed and field tested in a variety of Canadian radiation treatment facilities...
March 14, 2018: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/29536671/medical-physicists-should-meet-with-patients-as-part-of-the-initial-consult
#17
Bradley W Schuller, Kristi R G Hendrickson, Yi Rong
No abstract text is available yet for this article.
March 2018: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/29519402/evaluation-of-a-commercial-automatic-treatment-planning-system-for-liver-stereotactic-body-radiation-therapy-treatments
#18
Elena Gallio, Francesca Romana Giglioli, Andrea Girardi, Alessia Guarneri, Umberto Ricardi, Roberto Ropolo, Riccardo Ragona, Christian Fiandra
PURPOSE: Automated treatment planning is a new frontier in radiotherapy. The Auto-Planning module of the Pinnacle3 treatment planning system (TPS) was evaluated for liver stereotactic body radiation therapy treatments. METHODS: Ten cases were included in the study. Six plans were generated for each case by four medical physics experts. The first two planned with Pinnacle TPS, both with manual module (MP) and Auto-Planning one (AP). The other two physicists generated two plans with Monaco TPS (VM)...
February 2018: Physica Medica: PM
https://www.readbyqxmd.com/read/29519395/participation-of-women-medical-physicists-in-european-scientific-events-the-european-experience
#19
Kalliopi Platoni, Sotiria Triantopoulou, Maria Dilvoi, Efi Koutsouveli, Agapi Ploussi, Virginia Tsapaki
PURPOSE: Though the number of women scientists is increasing over the years, studies show that they are still under-represented in leadership roles. The purpose of this work is to establish the percentage of women Medical Physicists (wMPs) that have participated in European scientific events and evaluate it as an indication of the current position of women in the field of Medical Physics in Europe and to propose possible ways to encourage their participation. MATERIALS AND METHODS: Data regarding the participants in European scientific events of Medical Physics were collected...
February 2018: Physica Medica: PM
https://www.readbyqxmd.com/read/29510811/evaluation-of-new-ultrasound-techniques-for-clinical-imaging-in-selected-liver-and-vascular-applications
#20
Andreas Hjelm Brandt
This PhD project is based on a longstanding collaboration between physicists and engineers from the Center of Fast Ultrasound Imaging (CFU) at the Technical University of Denmark and medical doctors from the department of Radiology at Rigshospitalet. The intent of this cooperation is to validate new ultrasonic methods for future clinical use. 
Study I compares two B-mode ultrasound methods: the new experimental technique Synthetic Aperture Sequential Beam-forming combined with Tissue Harmonic Imaging (SASB-THI), and a conventional technique combined with THI...
March 2018: Danish Medical Journal
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