Zobrazeno 1 - 10
of 133
pro vyhledávání: '"Ryo Toya"'
Autor:
Yutaro Tasaki, Takuya Yamazaki, Shuhei Miyazaki, Tatsuya Takeda, Mika Nakatake, Daisuke Nakamura, Asuka Takahira, Koichi Honda, Akiko Egawa, Naoyuki Yamaguchi, Kazuhiko Nakao, Ryo Toya
Publikováno v:
BMC Gastroenterology, Vol 24, Iss 1, Pp 1-8 (2024)
Abstract Background Endoscopic submucosal dissection (ESD) is a potentially efficient therapeutic intervention for superficial esophageal cancer. Additional treatment such as chemoradiotherapy (CRT) or esophagectomy is recommended in cases of muscula
Externí odkaz:
https://doaj.org/article/74d233500fbc4c8785312bdb39d4a81b
Autor:
Ryo Toya, Tomohiko Matsuyama, Tetsuo Saito, Yoshiyuki Fukugawa, Takahiro Watakabe, Shinya Shiraishi, Daizo Murakami, Yorihisa Orita, Toshinori Hirai, Natsuo Oya
Publikováno v:
Radiation Oncology, Vol 18, Iss 1, Pp 1-8 (2023)
Abstract Background We evaluated the prevalence and identified the risk factors for retropharyngeal and retro-styloid lymph node metastasis (LNM) in patients with hypopharyngeal carcinoma (HPC). This was achieved using a combination of magnetic reson
Externí odkaz:
https://doaj.org/article/bdc1bd00974e4cdfad7290de1062ebeb
Autor:
Ryo Toya, Tetsuo Saito, Yoshiyuki Fukugawa, Tomohiko Matsuyama, Tadashi Matsumoto, Shinya Shiraishi, Daizo Murakami, Yorihisa Orita, Toshinori Hirai, Natsuo Oya
Publikováno v:
Annals of Medicine, Vol 54, Iss 1, Pp 436-441 (2022)
Background Supporting data defining the selection criteria of level VIIb for inclusion in the target volume in radiotherapy (RT) planning are insufficient. We evaluated the prevalence of level VIIb retro-styloid lymph node metastasis (RSLNM) and asso
Externí odkaz:
https://doaj.org/article/d3fad1eeafdb4d0ea49d77b0e4db261e
Autor:
Yoshiyuki Fukugawa, Ryo Toya, Tomohiko Matsuyama, Takahiro Watakabe, Yoshinobu Shimohigashi, Yudai Kai, Tadashi Matsumoto, Natsuo Oya
Publikováno v:
BMC Medical Imaging, Vol 22, Iss 1, Pp 1-5 (2022)
Abstract Background Patients with tonsillar cancer (TC) often have dental fillings that can significantly degrade the quality of computed tomography (CT) simulator images due to metal artifacts. We evaluated whether the use of the metal artifact redu
Externí odkaz:
https://doaj.org/article/9098755dcbeb48ed99746965170de470
Autor:
Yukinori Takagi, Ikuo Katayama, Sato Eida, Miho Sasaki, Toshimasa Shimizu, Shuntaro Sato, Kunio Hashimoto, Hiroki Mori, Mitsunobu Otsuru, Masahiro Umeda, Yoshihiko Kumai, Ryo Toya, Atsushi Kawakami, Misa Sumi
Publikováno v:
Journal of Clinical Medicine, Vol 12, Iss 20, p 6487 (2023)
This study aimed to retrospectively investigate the prevalence of Sjögren’s syndrome (SS) among patients with ranulas, parotid cysts, or parotid calcifications; identify the characteristic magnetic resonance imaging (MRI) or computed tomography (C
Externí odkaz:
https://doaj.org/article/391ae93a35234efc8a8addf066ed42cc
Autor:
Tomohiko Matsuyama, Yoshiyuki Fukugawa, Junichiro Kuroda, Ryo Toya, Takahiro Watakabe, Tadashi Matsumoto, Natsuo Oya
Publikováno v:
Radiation Oncology, Vol 17, Iss 1, Pp 1-9 (2022)
Abstract Purpose To analyze the efficacy of adaptive radiotherapy (ART) for glioblastoma. Methods Sixty-one glioblastoma patients who received ART were prospectively evaluated. The initial clinical target volume (CTVinitial) was represented by T2 hyp
Externí odkaz:
https://doaj.org/article/75c98a3f8c5e4e89a08a313e03cdf577
Autor:
Kohsei Yamaguchi, Tetsuo Saito, Ryo Toya, Etsushi Tomitaka, Tomohiko Matsuyama, Yoshiyuki Fukugawa, Takahiro Watakabe, Hirohito Otsuka, Natsuo Oya
Publikováno v:
Radiation Oncology, Vol 16, Iss 1, Pp 1-7 (2021)
Abstract Background There is limited evidence concerning radiotherapy for painful lymph node metastases (PLM). We evaluated the effectiveness of radiotherapy for PLM using the International Consensus Endpoint in a subgroup analysis of a prospective o
Externí odkaz:
https://doaj.org/article/b6aaddaf84b942a9b5c62a58c39e1381
Autor:
Yoshinobu Shimohigashi, Ryo Toya, Tetsuo Saito, Yumiko Kono, Yasuhiro Doi, Yoshiyuki Fukugawa, Takahiro Watakabe, Tadashi Matsumoto, Yudai Kai, Masato Maruyama, Natsuo Oya
Publikováno v:
Radiation Oncology, Vol 16, Iss 1, Pp 1-7 (2021)
Abstract Background Radiotherapy of gastric mucosa-associated lymphoid tissue (MALT) lymphoma should be delivered to the entire stomach with planning target volume (PTV) that accounts for variations in stomach volume, respiratory movement, and patien
Externí odkaz:
https://doaj.org/article/630351d9b24147149086c7abb47eb9c6
Autor:
Keisuke Yamana, Junki Inoue, Ryoji Yoshida, Junki Sakata, Hikaru Nakashima, Hidetaka Arita, Sho Kawaguchi, Shunsuke Gohara, Yuka Nagao, Hisashi Takeshita, Manabu Maeshiro, Rin Liu, Yuichiro Matsuoka, Masatoshi Hirayama, Kenta Kawahara, Masashi Nagata, Akiyuki Hirosue, Ryo Toya, Ryuji Murakami, Yoshikazu Kuwahara, Manabu Fukumoto, Hideki Nakayama
Publikováno v:
Journal of Extracellular Vesicles, Vol 10, Iss 14, Pp n/a-n/a (2021)
Abstract Despite advancements in treatments, oral squamous cell carcinoma (OSCC) has not significantly improved in prognosis or survival rate primarily due to the presence of treatment‐resistant OSCC. The intercellular communication between tumour
Externí odkaz:
https://doaj.org/article/8eaae5927b594480ad24b281659d792d
Autor:
Ryo Toya, Tetsuo Saito, Kohsei Yamaguchi, Tomohiko Matsuyama, Takahiro Watakabe, Tadashi Matsumoto, Ryoji Yoshida, Akiyuki Hirosue, Daizo Murakami, Yorihisa Orita, Hideki Nakayama, Natsuo Oya
Publikováno v:
Radiation Oncology, Vol 15, Iss 1, Pp 1-8 (2020)
Abstract Background To review a single institutional experience of the Radiation Therapy Oncology Group (RTOG) 8502 “QUAD shot” regimen using volumetric modulated arc radiotherapy (VMAT) for incurable head and neck cancer (HNC). Methods Thirty-fo
Externí odkaz:
https://doaj.org/article/d13d113471dc46608946041d3555ddc9