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1961por Bajwa, Harjot Kaur, Singareddy, Rohith, Talluri, Anil Kumar, Kauser, Heena, Boja, Devender Reddy, Srikanth, G, Raju, Alluri Krishnam, Sresty, NVN Madhusudhana, Mytri, Vyshnavi“…Parameters of implant quality analyzed included ability to insert tandem, ratio of needles loaded to the number of needles inserted, and incidence of uterine or organ at risk (OARs) perforation. Dosimetric parameters evaluated were dose to point A*, TRAK, D(90) high-risk clinical target volume (HR-CTV), and D(2cc) to OARs (bladder, rectum, and sigmoid). …”
Publicado 2023
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1962por Gogineni, Emile, Chen, Hao, Istl, Alexandra C., Johnston, Fabian M., Narang, Amol, Deville, Curtiland“…Conclusions: IMPT maintained target coverage while significantly reducing the dose to adjacent OARs and integral dose compared to IMRT. A prospective trial treating RPS with pre-operative ultra-hypofractionated IMPT at our institution is currently being pursued.…”
Publicado 2023
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1963por Park, Ji-Yeon, Kim, Siyong, Park, Hae-Jin, Lee, Jeong-Woo, Kim, Yeon-Sil, Suh, Tae-Suk“…The discrete beam arrangements at each angular increment led to over- and under-estimated OARs doses due to the undulating dose distribution. …”
Publicado 2014
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1964por Joseph, Kurian, Warkentin, Heather, Ghosh, Sunita, Polkosnik, Lee-Anne, Powell, Kent, Brennan, Matthew, Warkentin, Brad, Jacobs, Johanna, Alkaabi, Khalifa, Chafe, Susan, Tankel, Keith, Gabos, Zsolt, Liu, Hong-Wei, Tai, Patricia“…The irradiated volumes of OARs for plans with and without shell are 13.3 cc versus 59.5 cc (77.6% reduction) for the heart, 6.2 cc versus 33.2 cc (81.2% reduction) for the LV, and 92.8 cc versus 162.5 cc (42.9% reduction) for the ipsilateral lung. …”
Publicado 2017
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1965por Palled, Siddanna Rudrappa, Tanvirpasha, Chitradurga Abdul Razak, Naveen, Thimmaiah, Sathiyan, Saminathan, Kadirampatti, Ganesh, Lokesh, Vishwanath“…Doses to target volume and OARs were analyzed using dose volume histogram (DVH). …”
Publicado 2019
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1966“…CyberKnife plan was better than C‐arm linac based plans in protecting normal brain tissue and OARs for patients with multiple brain metastases. …”
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1967por Berger, Thomas, Fokdal, Lars U., Assenholt, Marianne S., Jensen, Nina B.K., Petersen, Jørgen B.B., Nyvang, Lars, Korreman, Stine, Lindegaard, Jacob C., Tanderup, Kari“…The dosimetric impact of PTV margin reduction on the OARs was evaluated through V30Gy (volume included within the 30 Gy isodose), V40Gy and body V43Gy. …”
Publicado 2019
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1968“…In H&N OARs, efficiency gains ranged from 42% in optic chiasm to 100% in eyes (unedited in all cases). …”
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1969“…The D2cc parameter allowed the evaluation of the dose received by the OARs. For the rectum, a dose reduction of 9.67% (range 0.29–32.86) was obtained with the second geometry of implantation compared to 10.14% (range 1.43–28.33) with the third geometry. …”
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1970por Bai, Yun, Gao, Xian-shu, Qin, Shang-bin, Chen, Jia-yan, Su, Meng-meng, Liu, Qing, Qin, Xiu-bo, Ma, Ming-wei, Zhao, Bo, Gu, Xiao-bin, Xie, Mu, Cui, Ming, Qi, Xin, Li, Xiao-ying“…GTVb was the max volume receiving SABR to guarantee the dose of organs-at-risks (OARs) falloff to about 3 Gy/f. The total dose of PTV margin was planned to above 60 Gy. …”
Publicado 2018
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1971por Yang, Han, Zhao, Xiujuan, He, Yang, Tan, Xia, Peng, Haiyan, Zhong, Mingsong, Li, Qicheng, Liu, Xianfeng, He, Yanan, Luo, Huanli, Jin, Fu“…The volume changes in the target and OARs were compared between the original CT and merged CBCT images, and the differences in the fractional and accumulated doses were also evaluated. …”
Publicado 2022
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1972por Zhang, Lian, Holmes, Jason M., Liu, Zhengliang, Vora, Sujay A., Sio, Terence T., Vargas, Carlos E., Yu, Nathan Y., Keole, Sameer R., Schild, Steven E., Bues, Martin, Li, Sheng, Liu, Tianming, Shen, Jiajian, Wong, William W., Liu, Wei“…For the 3D Gamma passing rates in the target, OARs, and BODY (outside target and OARs), the beam mask method can improve the passing rates in these regions and the sliding window method further improved them (for prostate cancer, targets: 96.93%±0.53% vs. 98.88%±0.49% vs. 99.97%±0.07%, BODY: 86.88%±0.74% vs. 93.21%±0.56% vs. 95.17%±0.59%). …”
Publicado 2023
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1973por Pokhrel, Damodar, Sood, Sumit, Lominska, Christopher, Kumar, Parvesh, Badkul, Rajeev, Jiang, Hongyu, Wang, Fen“…In addition to RTOG criteria, doses to other organs at risk (OARs), such as parotid glands, cochlea, external/middle ear canals, skin, scalp, optic pathways, brainstem, and eyes/lens, were also evaluated. …”
Publicado 2015
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1974por Sawayanagi, Subaru, Yamashita, Hideomi, Ogita, Mami, Kiritoshi, Tomoki, Nakamoto, Takahiro, Abe, Osamu, Nakagawa, Keiichi“…BACKGROUND: The aim of this study was to evaluate the effects of patient positioning on the volume of organs at risk (OARs) in or near the planning target volume (PTV) and the dose distribution in adjuvant or salvage radiotherapy for prostate cancer after prostatectomy. …”
Publicado 2018
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1975por Cho, Yeona, Cho, Yoon Jin, Chang, Won Suk, Kim, Jun Won, Choi, Won Hoon, Lee, Ik Jae“…The Tukey test and one-way analysis of variance were used to compare the target coverage and doses to organs at risk (OARs) of the three techniques. RESULTS: For target coverage, the VMAT-only and modified hybrid plans showed comparable target coverage in terms of D(mean) (50.33 Gy vs. 50.53 Gy, p = 0.106). …”
Publicado 2019
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1976por Kang, Sang-Won, Chung, Jin-Beom, Kim, Kyeong-Hyeon, Park, Ji-Yeon, Park, Hae-Jin, Cho, Woong, Olberg, Sven, Suh, Tae Suk, Park, Justin C.“…The DVHs for the HR-CTV and OARs showed no significant differences between the vIDC and the treatment planning system (TPS). …”
Publicado 2020
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1977“…The mean Paddick conformity index (Paddick CI) and D(max) of most OARs between MI and SI plans did not show a significant difference, except that higher doses to the left optic nerve and optic chiasm were found in SI plans (p = 0.03). …”
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1978“…PURPOSE: Fast and accurate outlining of the organs at risk (OARs) and high-risk clinical tumor volume (HRCTV) is especially important in high-dose-rate brachytherapy due to the highly time-intensive online treatment planning process and the high dose gradient around the HRCTV. …”
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1979por Hou, Chuanke, Yin, Hanjing, Gong, Guanzhong, Wang, Lizhen, Su, Ya, Lu, Jie, Yin, Yong“…The doses received by OARs did not significantly differ among the three plans (P >0.05). …”
Publicado 2022
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1980“…Dosimetric results of tumor and organ at risk (OARs) were extracted from the dose-volume histogram and compared. …”
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