How does CBCT reconstruction algorithm impact on deformably mapped targets and accumulated dose distributions?
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Applied Clinical Medical Physics"
DOI: 10.1002/acm2.13328
Abstract: Abstract Purpose We performed quantitative analysis of differences in deformable image registration (DIR) and deformable dose accumulation (DDA) computed on CBCT datasets reconstructed using the standard (Feldkamp‐Davis‐Kress: FDK_CBCT) and a novel iterative (iterative_CBCT) CBCT reconstruction… read more here.
Keywords: dose distributions; fdk cbct; cbct reconstruction; cbct ... See more keywords
Theoretical effectiveness of cell survival in fractionated radiotherapy with hypoxia‐targeted dose escalation
Sign Up to like & getrecommendations! Published in 2017 at "Medical Physics"
DOI: 10.1002/mp.12177
Abstract: Purpose The goal of this article is to compute the cell survival during fractionated radiotherapy with non‐uniform hypoxia‐targeted dose distribution relative to cell survival for a uniform dose distribution with equal integral tumor dose. The… read more here.
Keywords: uniform dose; cell; dose distributions; cell survival ... See more keywords
Monte Carlo simulations of a kilovoltage external beam radiotherapy system on phantoms and breast patients
Sign Up to like & getrecommendations! Published in 2017 at "Medical Physics"
DOI: 10.1002/mp.12619
Abstract: Purpose: To determine the most suitable lesion size and depth for radiotherapy treatments with a prototype kilovoltage x‐ray arc therapy (KVAT) system through Monte Carlo simulations of the dose delivered to lesion, dose homogeneity, and… read more here.
Keywords: system; dose distributions; breast; ratio ... See more keywords
Absorbed dose distributions from ophthalmic 106Ru/106Rh plaques measured in water with radiochromic film
Sign Up to like & getrecommendations! Published in 2018 at "Medical Physics"
DOI: 10.1002/mp.12777
Abstract: PURPOSE Brachytherapy with 106 Ru/106 Rh plaques offers good outcomes for small-to-medium choroidal melanomas and retinoblastomas. The dose measurement of the plaques is challenging, due to the small range of the emitted beta particles and… read more here.
Keywords: dose distributions; radiochromic film; 106 106; absorbed dose ... See more keywords
Prediction of dose distribution from luminescence image of water using a deep convolutional neural network for particle therapy.
Sign Up to like & getrecommendations! Published in 2020 at "Medical physics"
DOI: 10.1002/mp.14372
Abstract: PURPOSE We recently obtained nearly the same depth profiles of luminescence images of water as dose for protons by subtracting the Cerenkov light component emitted by secondary electrons of prompt gamma photons. However, estimating the… read more here.
Keywords: dose distributions; water; luminescence images; images water ... See more keywords
Technical Note: Dose prediction for head and neck radiotherapy using a three-dimensional dense dilated U-net architecture.
Sign Up to like & getrecommendations! Published in 2021 at "Medical physics"
DOI: 10.1002/mp.14827
Abstract: PURPOSE Radiation therapy treatment planning is a time-consuming and iterative manual process. Consequently, plan quality varies greatly between and within institutions. Artificial intelligence shows great promise in improving plan quality and reducing planning times. This… read more here.
Keywords: three dimensional; dose distributions; technical note; dense dilated ... See more keywords
Measured, Calculated and Egs_brachy I-125 Dose Distributions in a Gold Plaque for retinoblastoma treatment.
Sign Up to like & getrecommendations! Published in 2022 at "Medical physics"
DOI: 10.1002/mp.15845
Abstract: BACKGROUND This study measured and calculated dose distributions around a unique gold plaque for whole-eye radiotherapy (to treat retinoblastoma). The applicator consists of a pericorneal ring attached to the four extraocular muscles and four legs,… read more here.
Keywords: monte carlo; dose distributions; eye; gold ... See more keywords
Deep learning architecture with transformer and semantic field alignment for voxel-level dose prediction on brain tumors.
Sign Up to like & getrecommendations! Published in 2022 at "Medical physics"
DOI: 10.1002/mp.16122
Abstract: PURPOSE The use of convolution neural networks (CNN) to accurately predict dose distributions can accelerate intensity-modulated radiation therapy (IMRT) planning. The purpose of our study is to develop a novel deep learning architecture for precise… read more here.
Keywords: level dose; voxel level; brain tumors; dose distributions ... See more keywords
Development of all-in-one phantom dosimeter to measure multidimensional dose distribution for 60Co radiotherapy unit
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DOI: 10.1007/s40042-021-00129-8
Abstract: In this study, we used square-type organic scintillating fibers and polymethyl methacrylate phantoms to develop an all-in-one phantom dosimeter measure the multidimensional dose distributions for a 60 Co radiotherapy source. Multidimensional dose distributions, which include… read more here.
Keywords: phantom dosimeter; one phantom; multidimensional dose; dose distributions ... See more keywords
Abstract ID: 83 Hybrid Monte Carlo for low-energy X-rays intraoperative radiation therapy dose calculation
Sign Up to like & getrecommendations! Published in 2017 at "Physica Medica"
DOI: 10.1016/j.ejmp.2017.09.042
Abstract: Motivation/objective Intraoperative Radiation Therapy with low energy X-rays (XIORT) is largely used in oncology (ex: INTRABEAM®, Carl Zeiss), and could benefit from a dose calculation tool. A high level of accuracy is reached with Monte… read more here.
Keywords: radiation therapy; dose distributions; dose calculation; intraoperative radiation ... See more keywords
[OA012] Differences between real and planned dose distributions as a result of uncorrected patient rotation in radiotherapy
Sign Up to like & getrecommendations! Published in 2018 at "Physica Medica"
DOI: 10.1016/j.ejmp.2018.06.084
Abstract: Purpose To study the influence of relatively small and uncorrected rotational errors in patient positioning on the dose distribution for Head and Neck and Brain cases. Methods Analysis was carried out for 15 Head and… read more here.
Keywords: dose distributions; radiotherapy; patient rotation; mean rotational ... See more keywords