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2061“…In our study, we found no significant difference in [Formula: see text] over single‐arc [Formula: see text] for PTV coverage or OARs doses. However, we observed significant increase in delivery time for [Formula: see text] compared to [Formula: see text]. …”
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2062por Winkel, Dennis, Bol, Gijsbert H, Kiekebosch, Ilse H, Van Asselen, Bram, Kroon, Petra S, Jürgenliemk-Schulz, Ina M, Raaymakers, Bas W“…However, large dosimetric differences between the plan adaptation methods and full online replanning are present with regards to target coverage and dose to organs at risk (OARs).…”
Publicado 2018
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2063por Yucheng, Li, Yibo, Shao, Wenming, Zhan, Yongshi, Jia, Qiang, Li, Lingyun, Qiu, Liu, Huaxin, Zhang, YingHao, jieni, Ding, Weijun, Chen“…Therefore, when the patient's respiratory gating window width is reduced, the margin values of CTV‐PTV can be reduced to increase the distance between the PTV and the organs at risk (OARs), which ensures adequate space for the dose to decrease, resulting in lower dose exposure to the OARs (heart, lungs, etc.), thus sparing the OARs from further damage. …”
Publicado 2023
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2064por Ribeiro, Marvin F., Marschner, Sebastian, Kawula, Maria, Rabe, Moritz, Corradini, Stefanie, Belka, Claus, Riboldi, Marco, Landry, Guillaume, Kurz, Christopher“…No investigation of its application to OARs in thoracic magnetic resonance images (MRIs) from MRgRT has been done so far. …”
Publicado 2023
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2065por Tsimpoukelli, Maria, Patatoukas, George, Chalkia, Marina, Kollaros, Nikolaos, Kougioumtzopoulou, Andromachi, Michaletou, Dimitra, Kouloulias, Vassilis, Platoni, Kalliopi“…AXB predicted lower doses for the OARs, while the calculation time with a grid size of 1 mm was remarkably higher. …”
Publicado 2023
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2066por Lee, Tsair-Fwu, Chao, Pei-Ju, Fang, Fu-Min, Su, Te-Jen, Leung, Stephen W, Hsu, Hsuan-Chih“…The dosimetric indices used included the conformity index (CI) and homogeneity index (HI) for the planned target volume (PTV), max/mean dose, quality index (QI), normal tissue complication probability (NTCP), V(30 Gy), and V(50% )for the specified organs at risk (OARs). The monitor units per fraction (MU/fr) and delivery time were also analysed. …”
Publicado 2010
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2067por Gomez-Iturriaga, Alfonso, Crook, Juanita, Casquero, Francisco, Carvajal, Claudia, Urresola, Arantxa, Canteli, Begoña, Ezquerro, Ana, Hortelano, Eduardo, Cacicedo, Jon, Espinosa, Jose Maria, Perez, Fernando, Minguez, Pablo, Bilbao, Pedro“…The implant parameters and dose-volume histogram (DVH) related parameters of the prostate, OARs, and ECE were compared between both plans. RESULTS: Mean radial distance of ECE was 3.6 mm (SD: 1.1). …”
Publicado 2014
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2068por Sharma, Pramod Kumar, Sharma, Praveen Kumar, Swamidas, Jamema V, Mahantshetty, Umesh, Deshpande, D. D., Manjhi, Jayanand, Rai, D V“…Axial CT image data set of 20 patients of gynecological cancer who underwent external radiotherapy and high dose rate (HDR) interstitial brachytherapy using MUPIT was employed to delineate clinical target volume (CTV) and organs at risk (OARs). Geometrical and graphical optimization were done for optimum CTV coverage and sparing of OARs. …”
Publicado 2014
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2069“…PURPOSE: To investigate dosimetric effects of bladder distention on organs at risk (OARs) during treatment of endometrial cancer using 3D image-based planning of postoperative vaginal vault brachytherapy (BRT). …”
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2070“…Dose to planning target volumes (PTV) and organs at risk (OARs) between the two algorithms were compared. PTV was separated into PTV_soft (density in soft-tissue range) and PTV_lung (density in lung range) for comparison. …”
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2071por Liu, Xianfeng, Huang, Erliang, Wang, Ying, He, Yanan, Luo, Huanli, Zhong, Mingsong, Qiu, Da, Li, Chao, Yang, Han, He, Guanglei, Zhou, Juan, Jin, Fu“…VMAT requires the shortest delivery time, and IMRT delivers the lowest dose to most OARs. The results could provide guidance for selecting proper radiation technologies for different cases.…”
Publicado 2017
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2072por Mendez, Lucas C., Paudel, Moti, Wronski, Matt, Ravi, Ananth, Barbera, Lisa, Leung, Eric“…CONCLUSIONS: Overall, ISBT results in decreased dose to OARs as compared to MCVC. However, MCVC BT results in acceptable doses to OARs with possible improvement in vaginal doses for circumferential targets. …”
Publicado 2017
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2073por Siavashpour, Zahra, Aghamiri, Mahmoud Reza, Jaberi, Ramin, ZareAkha, Naser, Manshadi, Hamid Reza Dehghan, Kirisits, Christian, Sedaghat, Mahbod“…The purpose of this study was to investigate the concurrent effects of tandem length and bladder volume on dose to pelvic organs at risk (OARs) in HDR intracavitary brachytherapy treatment of cervical cancer. …”
Publicado 2016
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2074“…High‐ and low‐dose spillage improved for VMAT and DCAT plans, though only VMAT was able to improve dose to all organs at risk (OARs). DCAT was only able to provide a minimal improvement in dose to the heart and ipsilateral brachial plexus. …”
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2075por Liang, Xiaoying, Li, Zuofeng, Zheng, Dandan, Bradley, Julie A., Rutenberg, Michael, Mendenhall, Nancy“…The DVH on CTVs and on organ‐at‐risks (OARs) from each plan were studied. The Mann–Whitney U‐test was used for testing the differences between any two types of plans. …”
Publicado 2018
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2076por Peng, Jin, Gong, Jun, Wang, Xiaoyong, Mou, Jingjing, Xu, Hui, Dai, Jing, Zhou, Fuxiang, Zhou, Yunfeng“…The individualized CTV margins of expansion based on 4D-CT lead to a decrease PTV and radiation dose to OARs. The non-uniform margins in various directions should be considered as areas for further investigation.…”
Publicado 2019
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2077por Fröhlich, Georgina, Vízkeleti, Júlia, Nguyen, Anhhong Nhung, Major, Tibor, Polgár, Csaba“…UDC overestimates OARs doses.…”
Publicado 2019
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2078por Tensaouti, Fatima, Ducassou, Anne, Chaltiel, Léonor, Bolle, Stéphanie, Habrand, Jean Louis, Alapetite, Claire, Coche-Dequeant, Bernard, Bernier, Valérie, Claude, Line, Carrie, Christian, Padovani, Laetitia, Muracciole, Xavier, Supiot, Stéphane, Huchet, Aymeri, Leseur, Julie, Kerr, Christine, Hangard, Grégorie, Lisbona, Albert, Goudjil, Farid, Ferrand, Régis, Laprie, Anne“…Compared with the doses that were initially delivered, mean, and maximum doses to some OARs were no higher with SIB VMAT, and significantly lower with protons (p < 0.001). …”
Publicado 2019
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2079por Tang, Bin, Liu, Xiangyu, Wang, Xianliang, Kang, Shengwei, Wang, Pei, Li, Jie, Orlandini, Lucia Clara“…Targets and OARs dose volume histograms and irradiation time were compared; data were analyzed with paired t-test; p value < 0.05 was considered statistically significant. …”
Publicado 2019
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2080por Kivanc, Huseyin, Gultekin, Melis, Gurkaynak, Murat, Ozyigit, Gokhan, Yildiz, Ferah“…Planning target volumes (PTVs), CTVs, and organs at risks (OARs) doses were analyzed with dose–volume histograms (DVHs). …”
Publicado 2019
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