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pro vyhledávání: '"Couch angle"'
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Publikováno v:
Medical Dosimetry. 46:219-228
In prone breast radiation, as the medial tangential beam usually passes through the immobilization board and couch, it is necessary to quantify the attenuation effect and the potential skin dose enhancement from these external structures. The prone b
Autor:
Shinichiro Inomata, Yuichi Akino, Toshiaki Fuse, Masataka Oita, Kohei Shimomura, Yoshihiro Tanaka
Publikováno v:
Journal of Applied Clinical Medical Physics
The aim of this study is to evaluate the patient positioning uncertainty in noncoplanar stereotactic radiosurgery or stereotactic radiotherapy (SRS/SRT) for intracranial lesions with the frameless 6D ExacTrac system. In all, 28 patients treated with
Autor:
Hideharu Miura, Kenji kanemoto, Kazunari Hioki, M. Kenjo, Minoru Nakao, Shuichi Ozawa, Yasushi Nagata, Yoshiko Doi
Publikováno v:
Journal of Applied Clinical Medical Physics
Thermoplastic masks, used along with surgical masks, enable immobilization methods to reduce the risk of infection in patients undergoing intracranial stereotactic radiosurgery and stereotactic radiotherapy (SRS/SRT) during the COVID‐19 crisis. The
Autor:
D.M. Lovelock, Seng Boh Lim, Xiaoli Tang, Xiang Li, Tianfang Li, Maria F. Chan, Yulin Song, Guang Li, Elizabeth Hipp, G Tang, Sheng Huang, Hsiang Chi Kuo, Sarath Vijayan, Åse Ballangrud, Lei Zhang
Publikováno v:
Journal of Applied Clinical Medical Physics
Purpose This study aimed to evaluate and compare different system calibration methods from a large cohort of systems to establish a commissioning procedure for surface‐guided frameless cranial stereotactic radiosurgery (SRS) with intrafractional mo
Publikováno v:
Journal of Radiotherapy in Practice. 17:422-426
PurposeTo investigate the necessity of rotational shifts by considering dosimetric impact of rotational errors on stereotactic body radiation therapy (SBRT).Materials and methods20 lung patients with the lesion size ResultsNo significant dosimetric d
Autor:
Kyle J Gallagher, Charlotte Dai Kubicky, Jerry J. Jaboin, Raghavendiran Boopathy, Martin Fuss, J. Tanyi, Carol Marquez, Catherine Kato
Publikováno v:
International Journal of Radiation Oncology*Biology*Physics. 111:e551
Purpose/Objective(s) Intrafraction motion, if not mitigated, may pose a significant challenge to the delivery of frameless intracranial stereotactic radiosurgery. The current study presents a 7-year mid-treatment intrafraction motion assessment exper
Publikováno v:
Advances in Radiation Oncology, Vol 2, Iss 3, Pp 494-502 (2017)
Advances in Radiation Oncology
Advances in Radiation Oncology
Purpose To characterize the accuracy of noncoplanar image guided radiation therapy with the Varian Edge radiosurgery system for intracranial stereotactic radiosurgery (SRS) treatments by assessing the accuracy of kV/kV orthogonal pair registration wi
Publikováno v:
Journal of Applied Clinical Medical Physics
AlignRT is a surface imaging system that has been utilized for localizing and tracking patient position during radiotherapy. AlignRT has two calibration procedures that can set the system's isocenter called “Monthly Calibration” (MC) and “Isoce
Autor:
Raúl Díaz, Alejandro Ferrando, Marta Manzano, Eduardo Cabello, Mario Leonor, Gustavo Pozo, Alejandro Prado, Ana Milanés
Publikováno v:
Journal of Medical Physics
Journal of Medical Physics, Vol 44, Iss 1, Pp 1-8 (2019)
Journal of Medical Physics, Vol 44, Iss 1, Pp 1-8 (2019)
Purpose: In the present study, the performance of four VMAT beam arrangements used for hippocampal-sparing whole-brain radiation therapy is addressed. Material and Methods: Data corresponding to 20 patients were utilized so as to generate plans for e