Zobrazeno 1 - 10
of 52
pro vyhledávání: '"Takero Hirata"'
Autor:
Naoyuki Kanayama, Toshiki Ikawa, Koji Takano, Hideyuki Arita, Masahiro Morimoto, Takero Hirata, Kazuhiko Ogawa, Teruki Teshima, Koji Konishi
Publikováno v:
Radiation Oncology, Vol 19, Iss 1, Pp 1-8 (2024)
Abstract Background Fractionated stereotactic radiosurgery (fSRS) is an important treatment strategy for unresected brain metastases. We previously reported that a good volumetric response 6 months after fSRS can be the first step for local control.
Externí odkaz:
https://doaj.org/article/08e9a861c6b141ca96c87e73db5f2b09
Autor:
Toshiki Ikawa, Naoyuki Kanayama, Hideyuki Arita, Shingo Ohira, Koji Takano, Takero Hirata, Masahiro Morimoto, Teruki Teshima, Koji Konishi
Publikováno v:
Radiation Oncology, Vol 18, Iss 1, Pp 1-9 (2023)
Abstract Background Data on acute toxicities after stereotactic radiotherapy (SRT) for brain metastases, including multiple and large lesions, are lacking. We aimed to evaluate the incidence and nature of toxicities immediately after SRT using a line
Externí odkaz:
https://doaj.org/article/b62d946f36e641d5b7e11ffe51de8d0e
Autor:
Kazuhiko Hayashi, Osamu Suzuki, Hiroya Shiomi, Hitoshi Ono, Akira Setoguchi, Masataka Nakai, Erina Nakanishi, Shotaro Tatekawa, Naoko Ose, Takero Hirata, Keisuke Tamari, Yuji Seo, Soichiro Funaki, Fumiaki Isohashi, Shinichi Shimizu, Yasushi Shintani, Kazuhiko Ogawa
Publikováno v:
BMC Cancer, Vol 23, Iss 1, Pp 1-10 (2023)
Abstract Background The CyberKnife system features a robotically-positioned linear accelerator to deliver real-time image-guided stereotactic ablative body radiotherapy (SABR). It achieves steep dose gradients using irradiation from hundreds of diffe
Externí odkaz:
https://doaj.org/article/cc6a265abe5443ba95328164691fc0a5
Autor:
Naoyuki Kanayama, Toshiki Ikawa, Shingo Ohira, Takero Hirata, Masahiro Morimoto, Kazuhiko Ogawa, Teruki Teshima, Koji Konishi
Publikováno v:
Cancer Medicine, Vol 11, Iss 24, Pp 4806-4815 (2022)
Abstract Background and Purpose Few reports include volumetric measurements as endpoints after stereotactic radiotherapy (SRT) despite the importance of such measurements. This study aimed to (1) investigate the impact of the volumetric response (spe
Externí odkaz:
https://doaj.org/article/378608f584c14762a5dc6e9d9f92e6d9
Autor:
Shotaro Tatekawa, MD, PhD, Shigenori Hoshino, MD, PhD, Norihiko Takemoto, MD, PhD, Michio Oda, RT, MS, Yuichi Akino, PhD, Kota Iwahori, MD, PhD, Takero Hirata, MD, PhD, Kazuhiko Hayashi, MD, PhD, Keisuke Tamari, MD, PhD, Yuji Seo, MD, PhD, Fumiaki Isohashi, MD, PhD, Shinichi Shimizu, MD, PhD, Kazuhiko Ogawa, MD, PhD
Publikováno v:
Advances in Radiation Oncology, Vol 7, Iss 6, Pp 101048- (2022)
Purpose: The radiation recall phenomenon (RRP) is a rare and unexpected late complication of radiation therapy (RT). Although predominantly in the skin, RRP of the upper respiratory tract has also been reported. In general, RRP is caused by anticance
Externí odkaz:
https://doaj.org/article/b9e33dc6c3c24b31b0069e434421de9f
Autor:
Toshiki Ikawa, Ryu Ishihara, Koji Konishi, Masahiro Morimoto, Takero Hirata, Naoyuki Kanayama, Sachiko Yamamoto, Noriko Matsuura, Kentaro Wada, Kenji Hayashi, Kazuhiko Ogawa, Teruki Teshima
Publikováno v:
Cancer Medicine, Vol 8, Iss 10, Pp 4547-4554 (2019)
Abstract Background This study evaluated the locations of lymph node recurrence and their association with irradiation fields used for radiotherapy after adjuvant chemoradiotherapy following endoscopic resection for superficial esophageal squamous ce
Externí odkaz:
https://doaj.org/article/5b9485fbc9ed4c3db6e1410445993a0b
Autor:
Shingo Ohira, Naoyuki Kanayama, Kentaro Wada, Toshiki Ikawa, Takero Hirata, Noriko Kishi, Tsukasa Karino, Hayate Washio, Yoshihiro Ueda, Masayoshi Miyazaki, Masahiko Koizumi, Teruki Teshima
Publikováno v:
PLoS ONE, Vol 16, Iss 1, p e0244079 (2021)
To assess the objective and subjective image quality, and respiratory motion of hepatocellular carcinoma with portal vein tumor thrombosis (PVTT) using the contrast-enhanced four-dimensional dual-energy computed tomography (CE-4D-DECT). For twelve pa
Externí odkaz:
https://doaj.org/article/b994bf75393d4cdaa50019512be0f49f
Autor:
Toshiki Ikawa, Takahiro Tabuchi, Koji Konishi, Masahiro Morimoto, Takero Hirata, Naoyuki Kanayama, Kentaro Wada, Masayasu Toratani, Sumiyo Okawa, Kazuhiko Ogawa, Teruki Teshima
Publikováno v:
PLoS ONE, Vol 16, Iss 6, p e0253203 (2021)
Previous studies have reported conflicting results for the effect of overall treatment time with stereotactic body radiotherapy on tumor control in early-stage non-small-cell lung cancer. To examine this effect, we conducted a propensity score-weight
Externí odkaz:
https://doaj.org/article/d0aafc589fe1490ea4f5937f43ab38fe
Autor:
Shingo Ohira, Yoshihiro Ueda, Yuichi Akino, Misaki Hashimoto, Akira Masaoka, Takero Hirata, Masayoshi Miyazaki, Masahiko Koizumi, Teruki Teshima
Publikováno v:
Radiation Oncology, Vol 13, Iss 1, Pp 1-9 (2018)
Abstract Purpose The HyperArc VMAT (HA-VMAT) planning approach was newly developed to fulfill the demands of dose delivery for brain metastases stereotactic radiosurgery. We compared the dosimetric parameters of the HA-VMAT plan with those of the con
Externí odkaz:
https://doaj.org/article/d3520a8744f64548b41c30177c2fb201
Autor:
Takero Hirata, Osamu Suzuki, Keisuke Otani, Akimitsu Miyake, Keisuke Tamari, Yuji Seo, Fumiaki Isohashi, Naoki Kai, Koji Hatano, Kazutoshi Fujita, Motohide Uemura, Ryoichi Imamura, Setsuo Tamenaga, Yutaro Yoshino, Yasutoshi Fumimoto, Yasuo Yoshioka, Norio Nonomura, Kazuhiko Ogawa
Publikováno v:
Acta Oncologica. :1-7
This dose-escalation study evaluated the toxicity and efficacy of different stereotactic body radiation therapy (SBRT) doses for selecting an optimal dose for prostatic adenocarcinoma (PCa). This clinical trial was registered at UMIN (UMIN000014328).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::31586d31901b9d4e285b73ebafc91cf2
https://doi.org/10.1080/0284186x.2023.2213443
https://doi.org/10.1080/0284186x.2023.2213443