Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Toshiki Ikawa"'
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:
Tasuku Nakabori, Sena Higashi, Yutaro Abe, Kaori Mukai, Toshiki Ikawa, Koji Konishi, Noboru Maeda, Katsuyuki Nakanishi, Shinichiro Hasegawa, Hiroshi Wada, Kazuyoshi Ohkawa
Publikováno v:
Current Oncology, Vol 31, Iss 3, Pp 1543-1555 (2024)
Various locoregional treatments for localized hepatocellular carcinoma (HCC) have been developed. This retrospective study investigated the safety and feasibility of combining on-demand selective locoregional treatment for residual lesions after tumo
Externí odkaz:
https://doaj.org/article/72a5cbc348944a46a1564ca2199487be
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:
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:
Toshiki Ikawa, Ryu Ishihara, Katsunori Matsueda, Koji Konishi, Sachiko Yamamoto, Masahiro Morimoto, Naoyuki Kanayama, Teruki Teshima
Publikováno v:
BMC Cancer, Vol 22, Iss 1, Pp 1-9 (2022)
Abstract Background The optimal radiation dose for treating non-metastatic superficial esophageal squamous cell carcinoma is unknown. In this retrospective observational study, we investigated the influence of radiation dose and pretreatment endoscop
Externí odkaz:
https://doaj.org/article/6c8e53aff60942dca6978b5d149ac818
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:
YUKARI NAGAYASU, SHINGO OHIRA, TOSHIKI IKAWA, AKIRA MASAOKA, NAOYUKI KANAYAMA, TAKAHISA NISHI, TANAKA KAZUNORI, YUTARO YOSHINO, MASAYOSHI MIYAZAKI, YOSHIHIRO UEDA, KOJI KONISHI
Publikováno v:
In Vivo; Jul/Aug2024, Vol. 38 Issue 4, p1712-1718, 7p
Autor:
Shingo Ohira, Toshiki Ikawa, Naoyuki Kanayama, Shoki Inui, Yoshihiro Ueda, Masayoshi Miyazaki, Teiji Nishio, Masahiko Koizumi, Koji Konishi
Publikováno v:
Medical Dosimetry. 48:67-72