Zobrazeno 1 - 10
of 179
pro vyhledávání: '"Atsushi, Ohta"'
Autor:
Kouji Katsura, Satoshi Tanabe, Hisashi Nakano, Madoka Sakai, Atsushi Ohta, Motoki Kaidu, Marie Soga, Taichi Kobayashi, Masaki Takamura, Takafumi Hayashi
Publikováno v:
Tomography, Vol 9, Iss 1, Pp 98-104 (2023)
(1) Background: The impacts of metal artifacts (MAs) on the contouring workload for head and neck radiotherapy have not yet been clarified. Therefore, this study evaluated the relationship between the contouring time of the MAs area and MAs on head a
Externí odkaz:
https://doaj.org/article/59c4bf1b583c42d3a89ddec8a993cf49
Autor:
Toshimichi Nakano, Hidefumi Aoyama, Shunsuke Onodera, Hiroshi Igaki, Yasuo Matsumoto, Ayae Kanemoto, Shigetoshi Shimamoto, Masayuki Matsuo, Hidekazu Tanaka, Natsuo Oya, Tomohiko Matsuyama, Atsushi Ohta, Katsuya Maruyama, Takahiro Tanaka, Nobutaka Kitamura, Kohei Akazawa, Katsuya Maebayashi
Publikováno v:
Clinical and Translational Radiation Oncology, Vol 37, Iss , Pp 116-129 (2022)
Background and purpose: To minimize cognitive decline without increasing brain tumor recurrence (BTR) by reduced-dose whole-brain radiotherapy (RD-WBRT) (25 Gy, 10 fractions) + stereotactic radiosurgery (SRS) in patients with ≤ 4 brain metastases.
Externí odkaz:
https://doaj.org/article/bd2d474366a6411c9c64e132744333e1
Publikováno v:
BMC Plant Biology, Vol 22, Iss 1, Pp 1-15 (2022)
Abstract Background Plastome (Plastid genome) sequences provide valuable markers for surveying evolutionary relationships and population genetics of plant species. Papilionoideae (papilionoids) has different nucleotide and structural variations in pl
Externí odkaz:
https://doaj.org/article/5869257959994dc5893e827f59e278b2
Autor:
Toshimichi Nakano, Hidefumi Aoyama, Hirotake Saito, Satoshi Tanabe, Kensuke Tanaka, Katsuya Maruyama, Tomoya Oshikane, Atsushi Ohta, Eisuke Abe, Motoki Kaidu
Publikováno v:
BMC Cancer, Vol 20, Iss 1, Pp 1-11 (2020)
Abstract Background We sought to construct the optimal neurocognitive function (NCF) change criteria sensitive to health-related quality of life (HR-QOL) in patients who have undergone whole-brain radiation therapy (WBRT) for brain metastasis. Method
Externí odkaz:
https://doaj.org/article/ad79ddadd52142bebabb284d29ed966f
Autor:
Hirotake Saito, Ryusuke Shodo, Keisuke Yamazaki, Kouji Katsura, Yushi Ueki, Toshimichi Nakano, Tomoya Oshikane, Nobuko Yamana, Satoshi Tanabe, Satoru Utsunomiya, Atsushi Ohta, Eisuke Abe, Motoki Kaidu, Ryuta Sasamoto, Hidefumi Aoyama
Publikováno v:
Clinical and Translational Radiation Oncology, Vol 20, Iss , Pp 13-18 (2020)
Background and purpose: Concurrent chemoradiotherapy (CCRT) for head and neck cancer (HNC) is a risk factor for oral candidiasis (OC). As Candida spp. are highly virulent, we conducted a retrospective study to determine whether OC increases the sever
Externí odkaz:
https://doaj.org/article/088a2d6999f0406d9ea11c649f4815f8
Autor:
Hirotake Saito, Atsushi Ohta, Eisuke Abe, Motoki Kaidu, Miki Shioi, Toshimichi Nakano, Tomoya Oshikane, Kensuke Tanaka, Katsuya Maruyama, Naotaka Kushima, Satoshi Tanabe, Satoru Utsunomiya, Ryuta Sasamoto, Hidefumi Aoyama
Publikováno v:
Clinical and Translational Radiation Oncology, Vol 9, Iss C, Pp 12-17 (2018)
Background and purpose: To compare chemoradiotherapy (CRT) with low-dose continuous 5-fluorouracil (5FU) to CRT with 5FU+cisplatin (CDDP) for esophageal squamous cell carcinoma (ESCC) in a retrospective cohort study. Methods and materials: We reviewe
Externí odkaz:
https://doaj.org/article/7824f7590a18467ead3f4250aeff417e
Autor:
Takeshi Takizawa, Satoshi Tanabe, Hisashi Nakano, Satoru Utsunomiya, Madoka Sakai, Katsuya Maruyama, Shigekazu Takeuchi, Toshimichi Nakano, Atsushi Ohta, Motoki Kaidu, Hiroyuki Ishikawa, Kiyoshi Onda
Publikováno v:
Radiological Physics and Technology. 15:135-146
This study aimed to evaluate the effect of target positioning error (TPE) on radiobiological parameters, such as tumor control probability (TCP) and normal tissue complication probability (NTCP), in stereotactic radiosurgery (SRS) for metastatic brai
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::37a737518e140a28067ce078295b0c52
https://doi.org/10.1007/s12194-022-00655-5
https://doi.org/10.1007/s12194-022-00655-5
Autor:
Hisashi Nakano, Takehiro Shiinoki, Satoshi Tanabe, Toshimichi Nakano, Takeshi Takizawa, Satoru Utsunomiya, Madoka Sakai, Shunpei Tanabe, Atsushi Ohta, Motoki Kaidu, Teiji Nishio, Hiroyuki Ishikawa
Purpose We evaluated the tumor residual volumes considering six degrees-of-freedom (6DoF) patient setup errors in stereotactic radiotherapy (SRT) with multicomponent mathematical model using single-isocenter irradiation for brain metastases. Methods
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::27d581a8d3e75a07b8d2761d7969b09e
https://doi.org/10.21203/rs.3.rs-2120355/v1
https://doi.org/10.21203/rs.3.rs-2120355/v1
Autor:
Atsushi Ohta, Kohkichi Tsuji
Publikováno v:
2022 37th International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::61eadc10d864ae990c12ecd9eea512fc
https://doi.org/10.1109/itc-cscc55581.2022.9895042
https://doi.org/10.1109/itc-cscc55581.2022.9895042
Autor:
Hirotake Saito, Toshimichi Nakano, Madoka Sakai, Takumi Yamada, Satoshi Tanabe, Hiroyuki Ishikawa, Satoru Utsunomiya, Motoki Kaidu, Hisashi Nakano, Ryuta Sasamoto, Takeshi Takizawa, Hironori Sakai, Atsushi Ohta
Publikováno v:
Radiological Physics and Technology. 14:57-63
Through geometrical simulation, we evaluated the effect of rotational error in patient setup on geometrical coverage and calculated the maximum distance between the isocenter and target, where the clinical PTV margin secures geometrical coverage with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f9d583a78f1079407a9184aa768e8bf9
https://doi.org/10.1007/s12194-020-00602-2
https://doi.org/10.1007/s12194-020-00602-2