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2101“…The dosimetric parameters of planning target volume (PTV) and organ at risks (OARs) as well as the time parameters (monitor unit, MU) were statistically analyzed. …”
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2102“…For targets and organs at risk (OARs), the dosimetric impacts of R(Error), T(Error), and T+R(Error) were evaluated without and with moderate correction of setup errors. …”
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2103por Perlow, Haley K, Matsui, Jennifer K, Ewing, Ashlee, Cadieux, Catherine, Blakaj, Dukagjin M, Beyer, Sasha J, Thomas, Evan M, Grecula, John C, Raval, Raju R, Palmer, Joshua D“…We hypothesize that VBS-CSI utilizing volumetric modulated arc therapy (VMAT) could also effectively reduce dose to vertebral bodies and surrounding organs-at-risk (OARs), minimizing toxicity for adult patients with LMD and comparing favorably to proton-based CSI. …”
Publicado 2023
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2104por Fogliata, Antonella, Nicolini, Giorgia, Alber, Markus, Åsell, Mats, Clivio, Alessandro, Dobler, Barbara, Larsson, Malin, Lohr, Frank, Lorenz, Friedlieb, Muzik, Jan, Polednik, Martin, Vanetti, Eugenio, Wolff, Dirk, Wyttenbach, Rolf, Cozzi, Luca“…A global scoring method was developed to evaluate plans according to their degree of success in meeting dose objectives (lower scores are better than higher ones). For OARs the range of scores was between 0.75 ± 0.15 (Eclipse) to 0.92 ± 0.18 (Pinnacle(3 )with physical optimisation). …”
Publicado 2007
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2105“…Various dosimetric variables, such as PTV coverage, OARs sparing, delivery efficiency and planning time, were evaluated for each plan. …”
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2106por Wang, Juanqi, Hu, Weigang, Yang, Zhaozhi, Chen, Xiaohui, Wu, Zhiqiang, Yu, Xiaoli, Guo, Xiaomao, Lu, Saiquan, Li, Kaixuan, Yu, Gongyi“…The observed decrease in the doses to these OARs could be achieved, particularly for the beginner and junior planners. …”
Publicado 2017
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2107por Wang, Xin, Tian, Yuan, Tang, Yuan, Hu, Zhi-Hui, Zhang, Jia-Jia, Fu, Gui-Shan, Ma, Pan, Ren, Hua, Zhang, Tao, Li, Ning, Liu, Wen-Yang, Fang, Hui, Li, Ye-Xiong, Jin, Jing“…The target parameters, including the homogeneity index (HI) and conformity index (CI), and doses to the organs at risk (OARs) were analyzed. RESULTS: Dosimetric parameters for PTV and OARs were comparable among the three techniques. …”
Publicado 2017
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2108“…Most of the mean values of dosimetric endpoints for OARs were better in TD-IMRT than in TD-3DCRT and 3DCRT. …”
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2109“…Normal tissue sparing of organs at risk (OARs) were evaluated using Dmean, D1 and Dmax. SPSS 22.0 software was used for data analysis. …”
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2110por Cusumano, Davide, Boldrini, Luca, Menna, Sebastiano, Teodoli, Stefania, Placidi, Elisa, Chiloiro, Giuditta, Placidi, Lorenzo, Greco, Francesca, Stimato, Gerardina, Cellini, Francesco, Valentini, Vincenzo, Azario, Luigi, De Spirito, Marco“…Gross tumor volume (GTV) and surrounding organ at risks (OARs) were contoured on the average 4DCT scan. Planning target volume was generated from GTV by adding an isotropic 3 mm margin and excluding overlap areas with OARs. …”
Publicado 2019
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2111por Sugiyama, Soichi, Katsui, Kuniaki, Tominaga, Yuki, Waki, Takahiro, Katayama, Norihisa, Matsuzaki, Hidenobu, Kariya, Shin, Kuroda, Masahiro, Nishizaki, Kazunori, Kanazawa, Susumu“…The mean of ROI-(mean) to the optic chiasm was significantly reduced by 0.70 Gy. The dose to most OARs and the planning at risk volumes were also reduced. …”
Publicado 2019
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2112por Ong, Ashley L.K., Ang, K.W., Master, Zubin, Wong, Sharon M.M., Tuan, Jeffrey K.L.“…CONCLUSIONS: Proposed beam geometries for PTV1 and PTV2 proton plans presented good treatment accuracy with similar target coverage as the VMAT plans. Better sparing of OARs was achieved at the low-medium dose region for the proton plans.…”
Publicado 2018
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2113por Kashihara, Tairo, Kobayashi, Kazuma, Iijima, Kotaro, Murakami, Naoya, Yoshida, Ken, Okuma, Kae, Nakamura, Satoshi, Takahashi, Kana, Inaba, Koji, Igaki, Hiroshi, Nakayama, Yuko, Kato, Tomoyasu, Uno, Takashi, Itami, Jun“…Dose limitations to organs at risk (OARs) are invariably obstacles in increasing the prescription dose. …”
Publicado 2020
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2114“…Meanwhile, compared with FB, DIBH was characterized by lower doses to OARs, which may reduce the probability of cardiac and pulmonary complications in the future.…”
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2115por Peng, Qinghe, Shi, Junyue, Zhang, Jun, Li, Qiwen, Li, Zhenghuan, Zhang, Qingyuan, Peng, Yinglin, Chen, Li“…Similarly, compared to FJ‐VMAT, JT‐VMAT provided better protection to most organs at risk (OARs), particularly for total lung and heart. In comparison with IMRT, VMAT significantly improved the conformity index (CI) of the planning target volume for the three lung cancer classifications, and it reduced the dose of almost all OARs except V(5Gy) and D(mean) of the total lung. …”
Publicado 2021
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2116por Bielęda, Grzegorz, Chicheł, Adam, Boehlke, Marek, Zwierzchowski, Grzegorz, Chyrek, Artur, Burchardt, Wojciech, Stefaniak, Patrycja, Wiśniewska, Natalia, Czereba, Kinga, Malicki, Julian“…Patient was computed tomography (CT)-scanned, and reconstruction of target volume and surrounding organs at risk (OARs) were performed using treatment planning system (TPS). …”
Publicado 2022
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2117por Kumar, Lalit, Bhushan, Manindra, Kishore, Vimal, Chowdhary, Rahul Lal, Barik, Soumitra, Sharma, Anurag, Gairola, Munish“…There was no systematic trend observed in dose–volume parameters for PTV and organs at risk (OARs) between AXB-D(m) and AXB-D(w) for IMRT and RA plans. …”
Publicado 2022
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2118por van Gysen, Kirsten, Kneebone, Andrew, Le, Andrew, Wu, Kenny, Haworth, Annette, Bromley, Regina, Hruby, George, O'Toole, James, Booth, Jeremy, Brown, Chris, Pearse, Maria, Sidhom, Mark, Wiltshire, Kirsty, Tang, Colin, Eade, Thomas“…KBP resulted in significantly lower doses to OARs. Rectal V60Gy and V40Gy were 17.7% vs 27.7% (p < 0.01) and 40.5% vs 53.9% (p < 0.01) for KB plans and OTP respectively. …”
Publicado 2022
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2119por Marciscano, Ariel E, Knisely, Jonathan P S, Nagar, Himanshu, Brandmaier, Andrew, Pennell, Ryan T, Speiser, Michael, Kim, Sungheon G, Coonce, Madeline, Chen, Shu Ling, Roytman, Michelle, Lin, Eaton, Ballman, Karla V, Pannullo, Susan C, Ramakrishna, Rohan“…Feasibility is defined as > 70% of participants with clinically acceptable visualization/delineation as determined by blinded dual neuroradiologist review for clinically acceptable visualization/delineation of organs-at-risk (OARs) and target volume(s). Exploratory endpoints involve radiation dosimetry analysis of OARs and target volumes as well as documenting the use of adaptive planning. …”
Publicado 2022
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2120por Cui, Yongbin, Pan, Yuteng, Li, Zhenjiang, Wu, Qiang, Zou, Jingmin, Han, Dali, Yin, Yong, Ma, Changsheng“…Compared to IMRT and VMAT planning, IMPT planning improved the TCP (p<0.001, p<0.001, respectively). As for OARs, IMPT reduced the bilateral lung and heart accepted irradiation dose and volume. …”
Publicado 2022
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