Zobrazeno 1 - 10
of 159
pro vyhledávání: '"anisotropic analytical algorithm"'
Publikováno v:
Precision Radiation Oncology, Vol 7, Iss 3, Pp 197-206 (2023)
Abstract Purpose The aim of this study is to quantify the potential benefits of a flattening filter‐free (FFF) beam and implement a dose‐computation algorithm for cervical radiotherapy through dosimetric and radiobiological analyses using RapidAr
Externí odkaz:
https://doaj.org/article/94326c6681064535b449010a4d77ef9a
Publikováno v:
Iranian Journal of Medical Physics, Vol 19, Iss 5, Pp 290-295 (2022)
Introduction: The study aimed to provide the dose accuracy effects between the Anisotropic Analytical Algorithm (AAA) and the deterministic solver Acuros XB (AXB) that are available on Eclipse TPS (Varian Medical Systems, Palo Alto, CA) treatment pla
Externí odkaz:
https://doaj.org/article/67868a4321ad4f9fb24bc6e26a89093c
Autor:
Yasmina Berkani, Rachid Khelifi
Publikováno v:
Iranian Journal of Medical Physics, Vol 19, Iss 1, Pp 22-30 (2022)
Introduction: The calibration process is usually limited to the depth of maximum energy. This study aimed to determine the depth dose in a heterogeneous medium using diodes and to evaluate a dose calculation algorithm. Material and Methods: Measureme
Externí odkaz:
https://doaj.org/article/f8751f8cf3414e3895d27d9a83b2561e
Autor:
Raghavendra Hajare, Md Basit Ali, K K Sreelakshmi, M Anil Kumar, Rituraj Kalita, Umesh M Mahantshetty
Publikováno v:
Journal of Medical Physics, Vol 47, Iss 1, Pp 50-56 (2022)
Background: The photon dose calculation model anisotropic analytical algorithm (AAA) available with eclipse integrated treatment planning system (TPS) (Varian) supports telecobalt dose calculation from Version 13.6 onward. Formerly, pencil beam convo
Externí odkaz:
https://doaj.org/article/586cd9ab10f84cf8bdd104d8458a474e
Publikováno v:
JIF (Jurnal Ilmu Fisika), Vol 15, Iss 1 (2022)
Research has been carried out on the dosimetry verification of the AAA algorithm on the Eclipse Treatment Planning System based on variations of the multileaf collimator. The study was conducted using energy 6 MV with a dose of 2 Gy. The multileaf co
Externí odkaz:
https://doaj.org/article/29ce3dcad655480aac1503fa13a76259
Akademický článek
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Autor:
Antonella Bufacchi, Orietta Caspiani, Giulia Rambaldi, Luca Marmiroli, Giuseppe Giovinazzo, Mattia Polsoni
Publikováno v:
Radiation Oncology, Vol 15, Iss 1, Pp 1-8 (2020)
Abstract Purpose Retrospective analysis of volumetric modulated arc therapy treatment plans to investigate qualitative, possible, clinical consequences of the use of AAA versus AXB in nasopharyngeal cancer (NPC) cases. Methods The dose distribution o
Externí odkaz:
https://doaj.org/article/d108b8a1a0c248ff9e298924b62f0368
Publikováno v:
Radiation Protection and Environment, Vol 42, Iss 4, Pp 173-179 (2019)
The aim of this study was to validate Acuros XB (AXB) algorithm for photon dose calculation on an indigenously fabricated low-density heterogeneous phantom. Phantom was fabricated using poly (methyl methacrylate) (PMMA) and racemosa wood. The measure
Externí odkaz:
https://doaj.org/article/789a2a66a24742f3b3cae7c585a008e5
Autor:
Abdulhamid Chaikh, Jarkko Ojala, Catherine Khamphan, Robin Garcia, Jean Yves Giraud, Juliette Thariat, Jacques Balosso
Publikováno v:
Radiation Oncology, Vol 13, Iss 1, Pp 1-11 (2018)
Abstract Background For a given prescribed dose of radiotherapy, with the successive generations of dose calculation algorithms, more monitor units (MUs) are generally needed. This is due to the implementation of successive improvements in dose calcu
Externí odkaz:
https://doaj.org/article/d10bb49b3bba4ae680f22c5b36abd88a
Publikováno v:
Journal of Medical Physics, Vol 42, Iss 2, Pp 80-85 (2017)
The aim is to study the density, isodose depths, and doses at different points in slab-pinewood-slab (SPS) phantom, solid phantom SP34 (made up of polystyrene), and chest level of actual patient for developing heterogeneous chest phantom mimicking th
Externí odkaz:
https://doaj.org/article/59ba020925ff46c88f723c7905aef685