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EP-1576: Evaluation of transit in vivo dosimetry using portal imaging in VMAT treatment plans

E. Combettes, J. Molinier, N. Ailleres, L. Bedos, A. Morel, S. Simeon, D. Azria, P. Fenoglietto
2016 Radiotherapy and Oncology  
The study compared our algorithm EpiDream to EpiDose (Sun Nuclear), a commercial solution for EPID dosimetry.  ...  validation of algorithms implemented within CSRAD+ and MC for absolute dose calculations.  ...  , Purpose or Objective: To assess the performance of the EPIgray® software in the field of transit in vivo dosimetry using portal imaging in Volumetric Modulated ArcTherapy (VMAT) treatment plans.  ... 
doi:10.1016/s0167-8140(16)32826-2 fatcat:jxu7au6ldvgy7fodhkdupsprj4

The importance of accurate treatment planning, delivery, and dose verification

Julian Malicki
2012 Reports of Practical Oncology & Radiotherapy  
agreement with this technique. 20 Similarly, Slosarec et al. reported on a procedure for the use of EPID for in vivo dosimetry with the RapidArc technique. 21 Numerous methods can be used for dose  ...  These authors reported that radiographic film can be used for the dosimetry of compensated high energy photon beams. 22 Another study evaluated dosimetry in a 320 detector row CT scanner unit. 23 These  ... 
doi:10.1016/j.rpor.2012.02.001 pmid:24377001 pmcid:PMC3863261 fatcat:lwchstdyxfdgjnzj4g2bm2acqq

EP-1575: The effect of dental implants on dose distributions calculated by AXB in head and neck IMRT cases

H.M. Hung
2016 Radiotherapy and Oncology  
The study compared our algorithm EpiDream to EpiDose (Sun Nuclear), a commercial solution for EPID dosimetry.  ...  validation of algorithms implemented within CSRAD+ and MC for absolute dose calculations.  ...  , Purpose or Objective: To assess the performance of the EPIgray® software in the field of transit in vivo dosimetry using portal imaging in Volumetric Modulated ArcTherapy (VMAT) treatment plans.  ... 
doi:10.1016/s0167-8140(16)32825-0 fatcat:j5u5ndzu3nhtti2ruf3sfnn6ru

Micronucleus Assay: The State of Art, and Future Directions

Sylwester Sommer, Iwona Buraczewska, Marcin Kruszewski
2020 International Journal of Molecular Sciences  
In addition, the mechanism of micronuclei formation is discussed. Finally, foreseen directions of the MN development are pointed, such as automation, buccal cells MN and chromothripsis phenomenon.  ...  Energy Agency, Organization for Economic Co-operation and Development and International Organization for Standardization.  ...  for the Testing of Chemicals, In Vitro Mammalian Cell Micronucleus Test" [2,4], both dedicated to laboratories examining the genotoxicity of drugs and chemicals in vivo and in vitro.  ... 
doi:10.3390/ijms21041534 pmid:32102335 pmcid:PMC7073234 fatcat:npzlw3miabdlhcufprzynjssi4

In vivo dosimetry in external beam radiotherapy

Ben Mijnheer, Sam Beddar, Joanna Izewska, Chester Reft
2013 Medical Physics (Lancaster)  
Advancement of the traditional aspects of in vivo dosimetry as well as the development of currently available and newly emerging noninterventional technologies are required for large-scale implementation  ...  In the final analysis, we will show in this Vision 20/20 paper that in addition to regulatory compliance and reimbursement issues, the rationale for in vivo measurements is to provide an accurate and independent  ...  In order to validate the IVD procedure used within an institution, it might be worthwhile to perform a comparison of in vivo dosimetry systems.  ... 
doi:10.1118/1.4811216 pmid:23822404 fatcat:pjox2ukvyfe2php2ajg5jcxidm

In vivodosimetry: trends and prospects for brachytherapy

G Kertzscher, A Rosenfeld, S Beddar, K Tanderup, J E Cygler
2014 British Journal of Radiology  
Within the field of in vivo dosimetry (IVD), it is established that real-time IVD can provide efficient error detection and treatment verification.  ...  Finally, the article suggests a framework for collaborations between BT clinics that implemented IVD on a routine basis and postulates that such collaborations could improve BT QA measures and the knowledge  ...  dosemeter probe in a dedicated stepping motor such that the probe could be inserted into source catheters in an automated procedure during the treatment.  ... 
doi:10.1259/bjr.20140206 pmid:25007037 pmcid:PMC4453151 fatcat:az3d6fhasfdadcvxvgvuiiu46i

EURADOS STRATEGIC RESEARCH AGENDA: VISION FOR DOSIMETRY OF IONISING RADIATION

W. Rühm, E. Fantuzzi, R. Harrison, H. Schuhmacher, F. Vanhavere, J. Alves, J. F. Bottollier Depois, P. Fattibene, Ž. Knežević, M. A. Lopez, S. Mayer, S. Miljanić (+5 others)
2015 Radiation Protection Dosimetry  
This SRA will be used as a guideline for future activities of EURADOS Working Groups but can also be used as guidance for research in radiation dosimetry by the wider community.  ...  Since 2012, the European Radiation Dosimetry Group (EURADOS) has developed its Strategic Research Agenda (SRA), which contributes to the identification of future research needs in radiation dosimetry in  ...  chain for on-line validation of dosimetry during treatment.  ... 
doi:10.1093/rpd/ncv018 pmid:25752758 pmcid:PMC4884873 fatcat:xvhuvbwr45fhvh2u6f7wzud6dm

Required transition from research to clinical application: Report on the 4D treatment planning workshops 2014 and 2015

Antje-Christin Knopf, Kristin Stützer, Christian Richter, Antoni Rucinski, Joakim da Silva, Justin Phillips, Martijn Engelsman, Shinichi Shimizu, Rene Werner, Annika Jakobi, Orçun Göksel, Ye Zhang (+7 others)
2016 Physica medica (Testo stampato)  
These basic requirements for the clinical application of scanned ion beams to moving targets could e.g. be determined by a dedicated ESTRO task group.  ...  The report is structured in three parts pointing out developments in the context of understanding moving geometries, of treating moving targets and of 4D quality assurance (QA) and 4D dosimetry.  ...  In both phantoms the motion type is freely programmable, inputted as a list of control points in an ASCII file.  ... 
doi:10.1016/j.ejmp.2016.05.064 pmid:27328991 fatcat:kqlhwvq4sbhlxdsgjehqa6kxq4

Fused radioimmunoscintigraphy for treatment planning

Rodney J Ellis, Deborah A Kaminsky
2006 Reviews in urology  
Published studies have also recently proposed a new paradigm in the administration of radiation therapy for prostate cancer, favoring dose-escalation strategies to improve tumor control for localized disease  ...  Hybrid (SPECT/CT) imaging, in particular, shows an increased sensitivity for identification of prostate cancer.  ...  In therapy planning, CT scans are commonly used as a reference set for dosimetry calculations and planning.  ... 
pmid:17021622 pmcid:PMC1578530 fatcat:zinshryj7zaujmezf42k5owqbm

EPSM 2020, Engineering and Physical Sciences in Medicine

2021 Physical and Engineering Sciences in Medicine  
Limited experience in conducting online exams resulted in a steep learning curve to identify methods to assure academic integrity.  ...  The clinical community is urged to identify methods to facilitate the early return of hospital-based teaching to prepare future TEAP registrars with the appropriate foundational education.  ...  Acknowledgements I would like to thank the Royal Children's Hospital in Melbourne for providing the phantom used in the study.  ... 
doi:10.1007/s13246-021-01024-z pmid:34424484 pmcid:PMC8381140 fatcat:7jrqj62qgzhcxaiztb627teqxe

Longitudinal in vivo microcomputed tomography of mouse lungs: No evidence for radiotoxicity

Greetje Vande Velde, Ellen De Langhe, Jennifer Poelmans, Peter Bruyndonckx, Emiliano d'Agostino, Erik Verbeken, Ria Bogaerts, Rik Lories, Uwe Himmelreich
2015 American Journal of Physiology - Lung cellular and Molecular Physiology  
ACKNOWLEDGMENTS We thank Ann Hens and Amy Hillen for technical assistance.  ...  However, therapeutic radiation dose and dose rates used in radiotherapy research are at least an order of magnitude higher than the doses delivered during a micro-CT study (17, 22, (32) (33) (34) , and  ...  used for measuring the radiation dose of a typical lung micro-CT scan as used in this study.  ... 
doi:10.1152/ajplung.00098.2015 pmid:26024893 pmcid:PMC4525121 fatcat:q4m2knu5aveipgs5ryoybfaxzq

AAPM Spring Clinical Meeting - Abstract

2021 Journal of Applied Clinical Medical Physics  
Purpose: GammaPod is an emerging gamma irradiation device dedicated to breast stereotactic radiotherapy.  ...  After a promising validation study performed both in the research setting and clinical setting, the MLAP tool was launched for actual patient treatment.  ...  D Barbee, C Hitchen, P Galavis, NYU Langone Health, New York, NY Purpose: With a growing number of cancer survivors, there has been a steadily incidence of patients returning for external beam radiotherapy  ... 
doi:10.1002/acm2.13289 pmid:34002941 fatcat:6oivewssf5gwnnztmhff4nldle

Patient-specific IMRT verification using independent fluence-based dose calculation software: experimental benchmarking and initial clinical experience

Dietmar Georg, Markus Stock, Bernhard Kroupa, Jörgen Olofsson, Tufve Nyholm, Anders Ahnesjö, Mikael Karlsson
2007 Physics in Medicine and Biology  
The purpose of this study was to investigate the accuracy and performance of independent dose calculation software (denoted as 'MUV' (monitor unit verification)) for patient-specific quality assurance  ...  IMRT plans were recalculated by the treatment planning systems (TPS) in a dedicated QA phantom, in which an experimental 1D and 2D verification (0.3 cm 3 ionization chamber; films) was performed.  ...  Acknowledgment Jan Garcic is acknowledged for assisting in the evaluation of results obtained with film dosimetry.  ... 
doi:10.1088/0031-9155/52/16/018 pmid:17671348 fatcat:k36g7jiz7fgm7ozq4662lwhgga

In vivo dosimetry in brachytherapy

Kari Tanderup, Sam Beddar, Claus E. Andersen, Gustavo Kertzscher, Joanna E. Cygler
2013 Medical Physics (Lancaster)  
In vivo dosimetry (IVD) has been used in brachytherapy (BT) for decades with a number of different detectors and measurement technologies.  ...  This Vision 20/20 paper encourages improvements within BT safety by developments of IVD into an effective method of independent treatment verification.  ...  ACKNOWLEDGMENT The authors have no financial ties to any of the discussed detector types and/or to a commercial company.  ... 
doi:10.1118/1.4810943 pmid:23822403 fatcat:m2xdibp4bfclzjzdbwksfg5oxm

The TOPAS tool for particle simulation, a Monte Carlo simulation tool for physics, biology and clinical research

Bruce Faddegon, José Ramos-Méndez, Jan Schuemann, Aimee McNamara, Jungwook Shin, Joseph Perl, Harald Paganetti
2020 Physica medica (Testo stampato)  
Improvements have been achieved in user enhancement through software engineering and a graphical user interface, calculational efficiency, validation through experimental benchmarks and QA measurements  ...  TOPAS brings Geant4, a reliable, experimentally validated MC tool mainly developed for high energy physics, within easy reach of medical physicists, radiobiologists and clinicians.  ...  Acknowledgments TOPAS development has been supported by the following research grants from the USA National Institutes of  ... 
doi:10.1016/j.ejmp.2020.03.019 pmid:32247964 pmcid:PMC7192305 fatcat:uy5kijjjr5gpviztbhbos4vr7u
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