Zobrazeno 1 - 10
of 106
pro vyhledávání: '"Akito, Saito"'
Publikováno v:
Results in Physics, Vol 34, Iss , Pp 105310- (2022)
Debonding of solidified splats is a crucial issue for thermal sprayed coatings, which greatly influences the performance and lifetime of industrial components. The purpose of this study is to provide an in-depth understanding of the effects of impact
Externí odkaz:
https://doaj.org/article/16bc3e148f424964a80ffd73017a965f
Publikováno v:
Physical and Engineering Sciences in Medicine. 46:313-323
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1ca6a5689b6f9aea7d9d7625bc9ee226
https://doi.org/10.1007/s13246-023-01220-z
https://doi.org/10.1007/s13246-023-01220-z
Autor:
Shogo Tsunemine, Shuichi Ozawa, Minoru Nakao, Hideharu Miura, Akito Saito, Daisuke Kawahara, Yasuhiko Onishi, Takashi Onishi, Fumito Okawa, Atsushi Terai, Taiki Hashiguchi, Hidetoshi Yamasaki, Tsutomu Maruta, Yuji Murakami, Yasushi Nagata
Publikováno v:
Journal of Radiation Research. 64:195-201
Daily dose distributions for adaptive radiotherapy (ART) using helical tomotherapy (HT) are calculated using megavoltage computed tomography (MVCT). Generally, the MVCT number is converted to mass density (MD) using an MD calibration table (MVCT-MD t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f9e7c6bb8dc3b3a5d641cb8e730aa3d
https://doi.org/10.1093/jrr/rrac071
https://doi.org/10.1093/jrr/rrac071
Publikováno v:
Reports of Practical Oncology and Radiotherapy. 27:768-777
The purpose of this study was to improve the biological dosimetric margin (BDM) corresponding to different planning target volume (PTV) margins in homogeneous and nonhomogeneous tumor regions using an improved biological conversion factor (BCF) model
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7785376346067a1bc2ed032371181873
https://doi.org/10.5603/rpor.a2022.0086
https://doi.org/10.5603/rpor.a2022.0086
Autor:
Yuji Murakami, Daisuke Kawahara, Shigeyuki Tani, Katsumaro Kubo, Tsuyoshi Katsuta, Nobuki Imano, Yuki Takeuchi, Ikuno Nishibuchi, Akito Saito, Yasushi Nagata
Publikováno v:
Diagnostics, Vol 11, Iss 6, p 1049 (2021)
Background: This study aimed to propose a machine learning model to predict the local response of resectable locally advanced esophageal squamous cell carcinoma (LA-ESCC) treated by neoadjuvant chemoradiotherapy (NCRT) using pretreatment 18-fluorodeo
Externí odkaz:
https://doaj.org/article/10118f6ccc9a4d9393c19ebcd6e44bf6
Autor:
Takaaki Matsuura, Daisuke Kawahara, Akito Saito, Kiyoshi Yamada, Shuichi Ozawa, Yasushi Nagata
Publikováno v:
Medical physics.
Artificial intelligence (AI)-based gamma passing rate (GPR) prediction has been proposed as a time-efficient virtual patient-specific QA method for the delivery of volumetric modulation arc therapy (VMAT). However, there is a limitation that the GPR
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e3853ce2d8fa34ea89e7770ec6c7d383
https://pubmed.ncbi.nlm.nih.gov/36609669
https://pubmed.ncbi.nlm.nih.gov/36609669
Autor:
Shogo, Tsunemine, Shuichi, Ozawa, Minoru, Nakao, Hideharu, Miura, Akito, Saito, Daisuke, Kawahara, Yasuhiko, Onishi, Takashi, Onishi, Taiki, Hashiguchi, Yoshihisa, Matsumoto, Tsutomu, Maruta, Yuji, Murakami, Yasushi, Nagata
Publikováno v:
Journal of Applied Clinical Medical Physics. 24
This study aims to evaluate the effect of different air computed tomography (CT) numbers of the image value density table (IVDT) on the retrospective dose calculation of head-and-neck (HN) radiotherapy using TomoTherapy megavoltage CT (MVCT) images.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dd1bdd117173047893acce250cc5bcaa
https://doi.org/10.1002/acm2.13835
https://doi.org/10.1002/acm2.13835
Publikováno v:
Reports of practical oncology and radiotherapy : journal of Greatpoland Cancer Center in Poznan and Polish Society of Radiation Oncology. 27(5)
The effective atomic numbers obtained from dual-energy computed tomography (DECT) can aid in characterization of materials. In this study, an effective atomic number image reconstructed from a DECT image was synthesized using an equivalent single-ene
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5ab0edecb746c663daad5acc4c3960dc
https://pubmed.ncbi.nlm.nih.gov/36523807
https://pubmed.ncbi.nlm.nih.gov/36523807
Publikováno v:
Reports of Practical Oncology and Radiotherapy.
The current study aims to investigate the DNA strand breaks based on the Monte Carlo simulation within and around the Lipiodol with flattening filter (FF) and flattening filter-free (FFF) photon beams.The dose-mean lineal energy (yThe RBEThe current
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fbef269e41282be5e9048121d7b5edf1
https://doi.org/10.5603/rpor.a2022.0067
https://doi.org/10.5603/rpor.a2022.0067
Autor:
Hirokazu Masuda, Akito Saito, Shuichi Ozawa, Tomoki Kimura, Daisuke Kawahara, Yasushi Nagata, Takeo Nakashima
Publikováno v:
Medical Physics. 48:3200-3207
PURPOSE To develop a dosimetric internal target volume (ITV) margin (DIM) for respiratory motion in lung stereotactic body radiotherapy (SBRT) and to evaluate DIM with a nonuniform volume prescription (NVP) and the point prescription (PP). METHODS Vo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2f4e1ccd3ef9c371f51cf66d74e351a0
https://doi.org/10.1002/mp.14871
https://doi.org/10.1002/mp.14871