Zobrazeno 1 - 10
of 239
pro vyhledávání: '"Kei Nakai"'
Autor:
Masatoshi Nakamura, Kayoko Ohnishi, Kensuke Nakazawa, Kei Shimizu, Daigo Miyauchi, Masashi Mizumoto, Kei Nakai, Toshiyuki Okumura, Hideyuki Sakurai
Publikováno v:
Thoracic Cancer, Vol 15, Iss 2, Pp 201-205 (2024)
Abstract Adenoid cystic carcinoma (ACC) of the trachea is a rare disease that is slow growing and has a risk of distant metastasis. The standard treatment for ACC of the trachea is surgery, but this tumor is often unresectable. In definitive radiothe
Externí odkaz:
https://doaj.org/article/8fd8bb8032c643f3b4c10dfb8097a39c
Autor:
Masatoshi Nakamura, Masashi Mizumoto, Takashi Saito, Shosei Shimizu, Yinuo Li, Yoshiko Oshiro, Masako Inaba, Sho Hosaka, Hiroko Fukushima, Ryoko Suzuki, Takashi Iizumi, Kei Nakai, Kazushi Maruo, Hideyuki Sakurai
Publikováno v:
Frontiers in Oncology, Vol 14 (2024)
IntroductionChondrosarcoma is a rare malignant bone tumor. Particle beam therapy (PT) can concentrate doses to targets while reducing adverse events. A meta-analysis based on a literature review was performed to examine the efficacy of PT and photon
Externí odkaz:
https://doaj.org/article/df495b39bcd341b9913af835c6be226a
Autor:
Takashi Iizumi, Toshiyuki Okumura, Naoyuki Hasegawa, Kazunori Ishige, Kuniaki Fukuda, Emiko Seo, Hirokazu Makishima, Hikaru Niitsu, Mizuki Takahashi, Yuta Sekino, Hiroaki Takahashi, Daichi Takizawa, Yoshiko Oshiro, Keiichiro Baba, Motohiro Murakami, Takashi Saito, Haruko Numajiri, Masashi Mizumoto, Kei Nakai, Hideyuki Sakurai
Publikováno v:
BMC Gastroenterology, Vol 23, Iss 1, Pp 1-9 (2023)
Abstract Aim Hepatocellular carcinoma (HCC) with bile duct invasion (BDI) (BDIHCC) has a poor prognosis. Moreover, due to the paucity of reports, there is no consensus regarding optimal management of this clinical condition yet. The aim of this study
Externí odkaz:
https://doaj.org/article/73ce21dbb0ed4c698e80af013a769c02
Autor:
Toshiki Ishida, Masashi Mizumoto, Takashi Saito, Toshiyuki Okumura, Kosei Miura, Hirokazu Makishima, Takashi Iizumi, Haruko Numajiri, Keiichiro Baba, Motohiro Murakami, Masatoshi Nakamura, Kei Nakai, Hideyuki Sakurai
Publikováno v:
Cancers, Vol 16, Iss 11, p 2050 (2024)
Hepatocellular carcinoma (HCC) with portal vein tumor thrombosis (PVTT) has a poor prognosis and is generally not indicated for surgery. Proton beam therapy (PBT) may offer an alternative treatment. In this study, long-term outcomes were examined in
Externí odkaz:
https://doaj.org/article/a0386bd3b0d14e889c6b10dba2dc5637
Autor:
Osamu Shimomura, Masato Endo, Hirokazu Makishima, Takeshi Yamada, Shinji Hashimoto, Haruko Numajiri, Yoshihiro Miyazaki, Manami Doi, Kinji Furuya, Kazuhiro Takahashi, Toshikazu Moriwaki, Naoyuki Hasegawa, Yoshiyuki Yamamoto, Yusuke Niisato, Mariko Kobayashi, Masashi Mizumoto, Kei Nakai, Takashi Saito, Sodai Hoshiai, Tsukasa Saida, Bryan J. Mathis, Kensaku Mori, Takahito Nakajima, Kiichiro Tsuchiya, Hideyuki Sakurai, Tatsuya Oda
Publikováno v:
BMC Cancer, Vol 23, Iss 1, Pp 1-9 (2023)
Abstract Background Locally advanced pancreatic ductal adenocarcinoma (PDAC), accounting for about 30% of PDAC patients, is difficult to cure by radical resection or systemic chemotherapy alone. A multidisciplinary strategy is required and our TT-LAP
Externí odkaz:
https://doaj.org/article/3a9e7b2055814ea4bcf6be5edfcd70ff
Autor:
Yinuo Li, Masashi Mizumoto, Hazuki Nitta, Hiroko Fukushima, Ryoko Suzuki, Sho Hosaka, Yuni Yamaki, Motohiro Murakami, Keiichiro Baba, Masatoshi Nakamura, Toshiki Ishida, Hirokazu Makishima, Takashi Iizumi, Takashi Saito, Haruko Numajiri, Kei Nakai, Satoshi Kamizawa, Chie Kawano, Yoshiko Oshiro, Hideyuki Sakurai
Publikováno v:
Cancers, Vol 16, Iss 9, p 1634 (2024)
To compare late renal effects in pediatric and adult patients with malignancies after PBT involving part of the kidney. A retrospective study was conducted to assess changes in renal volume and function in 24 patients, including 12 children (1–14 y
Externí odkaz:
https://doaj.org/article/182881a013b04bfe8b194136bdf1d0f1
Autor:
Takashi Saito, Masashi Mizumoto, Yoshiko Oshiro, Toshio Miyamoto, Satoshi Kamizawa, Masatoshi Nakamura, Toshiki Ishida, Hirokazu Makishima, Haruko Numajiri, Kei Nakai, Takeji Sakae, Hideyuki Sakurai
Publikováno v:
Technical Innovations & Patient Support in Radiation Oncology, Vol 27, Iss , Pp 100218- (2023)
The correlation between sensory light flash and proton beam delivery was evaluated by measuring the timing of pulse beam delivery and light flash sensing using an event recorder in an 83-year-old patient receiving proton beam therapy (PBT) for nasoph
Externí odkaz:
https://doaj.org/article/3a3bc56e57744a7686f990cd3b1b2ab8
Autor:
Hikaru Niitsu, Masashi Mizumoto, Yinuo Li, Masatoshi Nakamura, Toshiki Ishida, Takashi Iizumi, Takashi Saito, Haruko Numajiri, Hirokazu Makishima, Kei Nakai, Yoshiko Oshiro, Kazushi Maruo, Hideyuki Sakurai
Publikováno v:
Cancers, Vol 16, Iss 2, p 357 (2024)
Background: Follow-up after treatment for hepatocellular carcinoma (HCC) can be mostly performed using dynamic CT or MRI, but there is no common evaluation method after radiation therapy. The purpose of this study is to examine factors involved in tu
Externí odkaz:
https://doaj.org/article/17588671ef2b40659e8fe54bfb0142e4
Autor:
Mizuki Takahashi, Masashi Mizumoto, Yoshiko Oshiro, Hiroyoshi Kino, Hiroyoshi Akutsu, Kei Nakai, Taisuke Sumiya, Eiichi Ishikawa, Kazushi Maruo, Hideyuki Sakurai
Publikováno v:
Cancers, Vol 15, Iss 23, p 5687 (2023)
[Proposal] Here, we retrospectively evaluate risk factors for radiation necrosis and local recurrence after PBT for skull base chordoma or chondrosarcoma. [Patients and Methods] We analyzed 101 patients who received PBT for skull base chordomas and c
Externí odkaz:
https://doaj.org/article/19a307d2f97e470fbdd300ae8833e381
Autor:
Takashi Iizumi, Hitoshi Ishikawa, Yuta Sekino, Keiichi Tanaka, Daichi Takizawa, Hirokazu Makishima, Haruko Numajiri, Masashi Mizumoto, Kei Nakai, Toshiyuki Okumura, Hideyuki Sakurai
Publikováno v:
Journal of Medical Radiation Sciences, Vol 69, Iss 2, Pp 198-207 (2022)
Abstract Introduction To confirm the feasibility of hypofractionated proton beam therapy (PBT), we compared the acute adverse event rates and International Prostate Symptom Score (IPSS) in prostate cancer patients treated with hypofractionated versus
Externí odkaz:
https://doaj.org/article/61c0c9f43dc14ec6b5f0276571d2677e