Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Ryuzo Uehara"'
Publikováno v:
Igaku butsuri : Nihon Igaku Butsuri Gakkai kikanshi = Japanese journal of medical physics : an official journal of Japan Society of Medical Physics. 42(2)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::a2f13f1b218f2f31f626cc548d637a3c
https://pubmed.ncbi.nlm.nih.gov/35768259
https://pubmed.ncbi.nlm.nih.gov/35768259
Autor:
Naoki Hayashi, Kensuke Tani, N Tohyama, Ryohei Miyasaka, Satoshi Kito, Yoshitaka Oka, Shunsuke Miyake, Hideki Kojima, Akihisa Wakita, Toru Takakura, Ryuzo Uehara, Yukio Fujita, Kazuya Shinoda, Norifumi Mizuno, Saito Yasunori
Publikováno v:
Medical physicsREFERENCES. 47(11)
PURPOSE The beam model in radiation treatment planning systems (RTPSs) plays a crucial role in determining the accuracy of calculated dose distributions. The purpose of this study was to ascertain differences in beam models and their dosimetric influ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e6fc8a714035382e1af5c1089dccb8c1
https://pubmed.ncbi.nlm.nih.gov/32969046
https://pubmed.ncbi.nlm.nih.gov/32969046
Autor:
Ako Aikawa, Yukio Fujita, Takumi Kodama, Kensuke Tani, Akihisa Wakita, Jiro Kawamori, Hidetoshi Saitoh, Yuya Suzuki, Ryuzo Uehara, Ryohei Miyasaka, Norifumi Mizuno
Publikováno v:
Journal of Applied Clinical Medical Physics
In this study, the optimum density scaling factors of phantom materials for a commercially available three‐dimensional (3D) dose verification system (Delta4) were investigated in order to improve the accuracy of the calculated dose distributions in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e94970a003c20007cd0fb7f85aa7d533
https://doi.org/10.1002/acm2.12357
https://doi.org/10.1002/acm2.12357
Autor:
Ryuzo Uehara, Shinya Mizukami, Takuya Maeyama, Yusuke Watanabe, Tetsuo Akimoto, Hidenobu Tachibana, Tsuyoshi Terazaki
Publikováno v:
Brachytherapy. 19(3)
Purpose The purpose of this study was to develop a novel quality assurance (QA) program to check the entire treatment chain of image-guided brachytherapy with dose distribution evaluation in a single setup and irradiation using a gel dosimeter. Metho
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ab32d897aec9d26ceda4d5cff21b69e9
https://pubmed.ncbi.nlm.nih.gov/32209357
https://pubmed.ncbi.nlm.nih.gov/32209357
Autor:
Tomoharu Sato, Fumiyasu Matsubayashi, Yasushi Ito, Ryuzo Uehara, Hidenobu Tachibana, Shinichi Yoshino
Publikováno v:
Japanese Journal of Radiological Technology. 69:617-631
It has been reported that the light scattering could worsen the accuracy of dose distribution measurement using a radiochromic film. The purpose of this study was to investigate the accuracy of two different films, EDR2 and EBT2, as film dosimetry to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e73bca3d64943089cc1bddb017ab89f2
https://doi.org/10.6009/jjrt.2013_jsrt_69.6.617
https://doi.org/10.6009/jjrt.2013_jsrt_69.6.617
Autor:
Tomoharu Sato, Masaru Nakajima, Yasushi Ito, Masatoshi Hashimoto, Masahiko Oguchi, Yuko Sekiya, Takuyo Kozuka, Fumiyasu Matsubayashi, Ryo Takahashi, Nozomi Kitamura, S. Saotome, Ryuzo Uehara
Publikováno v:
Nihon Hoshasen Gijutsu Gakkai zasshi. 71(4)
When performing lung cancer treatments using volumetric modulated arc therapy (VMAT) technique, dose error related to respiratory motion of tumors and multi leaf collimator (MLC) movement may occur. The dose error causes daily dose variation in multi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f936a899e5ef36bdc25fafe87e1d3ea7
https://pubmed.ncbi.nlm.nih.gov/25892416
https://pubmed.ncbi.nlm.nih.gov/25892416