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1781
Evaluation Treatment Planning for Breast Cancer Based on Dose-Response Model
Published 2021-01-01“…The delivery of radiation therapy to patients requires prior planning made by medical physicists to achieve radiotherapy goals. Radiotherapy has a plan to eradicate the growth of cancer cells by giving high doses and minimizing the radiation dose to normal tissue. …”
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1782
Noether and Hilbert (metric) energy-momentum tensors are not, in general, equivalent
Published 2021-01-01“…Due to this fact, it is often asserted that these methods are generally equivalent for any theory considered, and that this gives physicists a freedom in using either method to derive an energy-momentum tensor depending on the problem at hand. …”
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1783
Evidence-based region of interest matching guidelines for sarcoma volumetric image-guided radiation therapy
Published 2018-03-01“…Methods: Based on anatomic bony surrogates, initial ROI matching guidelines for STS were developed by a team of radiation therapists, physicists and oncologists (Plan). Retrospective, qualitative evaluation of the guidelines was completed by the designated sarcoma lead therapist to determine clinical feasibility (Do). …”
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1784
Improving Management and Compliance of Radiation Therapy Linear Accelerator Quality Assurance Program With Automated Tracking Tools
Published 2024-05-01“…The main improvement was observed for tests that were implemented more recently, eg, imaging QA and formal recording of daily QA review by physicists. The coefficient of variation was reduced by approximately a factor of 2 for imaging QA after the implementation of the QA Dashboard. …”
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1785
In Vivo Dosimetry Using a Flat Surface Sun Nuclear Corporation Diode in 60co Beams for Some Radiotherapy Treatments in Ghana
Published 2019-09-01“…The implementation of an in vivo dosimetry still remains as a challenge to clinical medical physicists. As a result, the practice of constant monitoring of patients undergoing radiation therapy in most of the radiotherapy departments in Africa has not been given much attention. …”
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1786
A new wave of leaders: Early evaluation of the interdisciplinary Foundations of Leadership in Radiation Oncology (FLiRO) program
Published 2022-12-01“…Results: 170 participants from 36 countries and 6 continents took part from 2018 to 2021 (99 doctors, 36 physicists, 32 radiation therapists/RTTs and 3 others). 141 (83%) participants responded to the post-program survey. …”
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1787
Laziness, barren plateau, and noises in machine learning
Published 2024-01-01“…We discuss the difference between laziness and barren plateau in quantum machine learning created by quantum physicists in McClean et al (2018 Nat. Commun. 9 1–6) for the flatness of the loss function landscape during gradient descent. …”
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1788
Assessment of Radiation Dose to the Lens of the Eye and Thyroid of Patients Undergoing Head and Neck Computed Tomography at Five Hospitals in Mashhad, Iran
Published 2018-10-01“…In recent years, radiobiologists and health physicists have been more concerned about the safety of lenses of the eyes, as cataract is no longer considered a deterministic effect. …”
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1789
Variations in Resources Among Radiation Oncology Residency Programs in the United States
Published 2021-01-01“…The median number of physicists and biologists were 9 and 3, respectively. …”
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1790
Dosimetrical and radiobiological approach to manage the dosimetric shift in the transition of dose calculation algorithm in radiation oncology: how to improve high quality treatmen...
Published 2018-04-01“…The change of dose calculation algorithm may induce a dosimetric shift, which has to be evaluated by the physicists and the oncologists. This includes the impact on tumor control and on the risk of toxicity based on normal tissue dose constraints. …”
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1791
Spatially fractionated stereotactic body radiation therapy (Lattice) for large tumors
Published 2021-05-01“…Results: All generated plans met the standard SBRT dose constraints, such as those from the American Association of Physicists in Medicine Task Group 101. Additionally, we provide a step-by-step approach to generate and deliver Lattice SBRT plans using commercially available treatment technology. …”
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1792
Fetal organ dose assessment during pelvic CT examination using Monte Carlo/GATE simulation and pregnancy voxelized phantom Katja
Published 2022-01-01“…Accepting the possibility of adverse effects from fetal exposure and the inability to measure directly in vivo [1]. Medical physicists have developed several techniques to determine the amount of radiation that reaches the fetus. …”
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1793
Comparison of Dosimetry Protocols for Electron Beam Radiotherapy Calibrations and Measurement Uncertainties
Published 2021-12-01“…This paper presents guidelines for the calibration of radiation beams that were issued by the International Atomic Energy Agency (IAEA TRS 398), the American Association of Physicists in Medicine (AAPM TG 51) and the German task group (DIN 6800-2). …”
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1794
Status of Government-Funded Radiotherapy Services in Nigeria
Published 2023-06-01“…All of the centers lack residency training programs for medical physicists and radiation therapy technologists resulting in very few well-trained staff.CONCLUSIONAs the Nigerian Government plans for the new National Cancer Control Plan, there is an urgent need to scale up access to RT by upgrading the RT equipment, workforce, and infrastructure to meet the current needs of Nigerian patients with cancer. …”
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1795
Seminar Kebangsaan Fizik dalam Industri : [kertaskerja]/
Published 1990“…Kandungan : Kehendak dan masaalah industri di Malaysia/ Ahmad Tajuddin Ali -- Educating physicists for industrial roles : the case of BSc (Hons) Industrial Science (Physics) course of UTM/ Ahmad Termizi Ramli -- Pertimbangan membina kurikulum fizik dalam industri/ Dr Khalijah Md Salleh -- Arah dan matlamat pendidikan fizik di Malaysia/ Dr Abd Latiff Awang -- Rancangan fizik gunaan dalam perkembangan industri/ Dr Hu Shze Jer -- Teknik radioisotop dalam industri/ Roslan Md Ali -- Belauan sudut kecil sinar-x dan neutron : beberapa penemuan dan penggunaan di industri/ Dr Shahidan Radiman -- NMR and quantitative measurements of fat and water/ Dr Salleh Harun -- Industrial applications of internal structure imaging using ionizing radiations/ Dr Zainal Abidin Sulaiman -- Fabrication of discrete electronic devices using neutron transmutation doping techniques/ Dr Zahari Mohd Darus, Dr Burhanuddin Yeop Majlis, Dr Shahbudin Shaari -- The use of ionizing radiation in medicine/ Noriah Jamal, Md Saion Salikin -- Aspekpenyelenggaraan alat dalam sektor kerajaan - suatu penyelesaian ?…”
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1796
A Comparison of the Dosimetric Parameters of Cs-137 Brachytherapy Source in Different Tissues with Water Using Monte Carlo Simulation
Published 2012-03-01“…Introduction After the publication of Task Group number 43 dose calculation formalism by the American Association of Physicists in Medicine (AAPM), this method has been known as the most common dose calculation method in brachytherapy treatment planning. …”
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1797
Beyond the Clinic Walls: Examining Radiology Technicians’ Experiences in Home-Based Radiography
Published 2024-03-01“…This study encourages expansion involving other key figures in this practice, including, naturally, medical radiologists, general practitioners, medical physicists, and other stakeholders.…”
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1798
Machine vision-based Statistical texture analysis techniques for characterization of liver tissues using CT images
Published 2022-08-01“…Conclusion: Abnormalities in the human liver could be discriminated and diagnosed by texture analysis techniques using second-order statistics that may assist the radiologist and medical physicists in predicting the severity and proliferation of abnormalities in liver diseases. …”
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1799
Implementing and Integrating a Clinically-Driven Electronic Medical Record (EMR) for Radiation Oncology in a Large Medical Enterprise
Published 2013-04-01“…Key goals included the ability to readily access information wherever and whenever needed, without compromising safety, treatment quality, confidentiality or productivity.Methodology: In February, 2009, we formed a multi-disciplinary team of Radiation Oncology physicians, nurses, therapists, administrators, physicists/dosimetrists, and information technology (IT) specialists, along with staff from the Duke Health System IT department. …”
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1800
A practical approach to estimating optic disc dose and macula dose without treatment planning in ocular brachytherapy using 125I COMS plaques
Published 2018-11-01“…Methods An in-house brachytherapy dose calculation program utilizing the American Association of Physicists in Medicine Task Group-43 U1 formalism with a line source approximation in a homogenous water phantom was developed and validated against three commercial treatment planning systems (TPS). …”
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