Zobrazeno 1 - 10
of 355
pro vyhledávání: '"Shinichi SHIMIZU"'
Autor:
Masashi Yagi, Yushi Wakisaka, Jun Takeno, Shintaro Kanada, Toshiro Tsubouchi, Noriaki Hamatani, Hiroyasu Maruo, Masaaki Takashina, Takayoshi Ishii, Tatsuaki Kanai, Shinichi Shimizu, Kazuhiko Ogawa
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024)
Abstract Few reports have documented how the accuracy of stopping power ratio (SPR) prediction for porous bone tissue affects the dose distribution of scanned carbon-ion beam therapy. The estimated SPR based on single-energy computed tomography (SECT
Externí odkaz:
https://doaj.org/article/b896506266b34466894be2b72986ed55
Autor:
Masashi Yagi, Shinichi Shimizu, Noriaki Hamatani, Takuto Miyoshi, Takuya Nomura, Takashi Toyoda, Mahoro Nakatani, Toshiro Tsubouchi, Masaki Shimizu, Yoshiaki Kuwana, Masumi Umezawa, Masaaki Takashina, Teiji Nishio, Masahiko Koizumi, Kazuhiko Ogawa, Tatsuaki Kanai
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-11 (2024)
Abstract The current monochromatic beam mode (i.e., uHDR irradiation mode) of the scanned carbon-ion beam lacks a dedicated dose monitor, making the beam control challenging. We developed and characterized a dedicated dose monitor for uHDR-scanned ca
Externí odkaz:
https://doaj.org/article/4e1450a2a4aa433a8d6bf61fff332c36
Autor:
Kazuhiko Hayashi, Osamu Suzuki, Yushi Wakisaka, Koji Ichise, Hirofumi Uchida, Makoto Anzai, Azusa Hasegawa, Yuji Seo, Shinichi Shimizu, Takayoshi Ishii, Teruki Teshima, Jiro Fujimoto, Kazuhiko Ogawa
Publikováno v:
Radiation Oncology, Vol 19, Iss 1, Pp 1-8 (2024)
Abstract Background Radiation-induced liver damage (RILD) occasionally occurs following carbon-ion radiotherapy (CIRT) for liver tumors, such as hepatocellular carcinoma (HCC), in patients with impaired liver function disease. However, the associated
Externí odkaz:
https://doaj.org/article/03a9d0bfd88e4c4f81b65bdc5e51250b
Autor:
Sridhar Yaddanapudi, Yushi Wakisaka, Keith M. Furutani, Masashi Yagi, Shinichi Shimizu, Chris J. Beltran
Publikováno v:
Technical Innovations & Patient Support in Radiation Oncology, Vol 30, Iss , Pp 100251- (2024)
Carbon-ion radiation therapy (CIRT) is an up-and-coming modality for cancer treatment. Implementation of CIRT requires collaboration among specialists like radiation oncologists, medical physicists, and other healthcare professionals. Effective commu
Externí odkaz:
https://doaj.org/article/38f1da65ff064aa5be2600cc8af1d267
Autor:
Kentaro Nishioka, MD, PhD, Takayuki Hashimoto, MD, PhD, Takashi Mori, MD, PhD, Yusuke Uchinami, MD, PhD, Rumiko Kinoshita, MD, PhD, Norio Katoh, MD, PhD, Hiroshi Taguchi, MD, PhD, Koichi Yasuda, MD, PhD, Yoichi M. Ito, PhD, Seishin Takao, PhD, Masaya Tamura, PhD, Taeko Matsuura, PhD, Shinichi Shimizu, MD, PhD, Hiroki Shirato, MD, PhD, Hidefumi Aoyama, MD, PhD
Publikováno v:
Advances in Radiation Oncology, Vol 9, Iss 5, Pp 101464- (2024)
Purpose: In real-time image-gated spot-scanning proton therapy (RGPT), the dose distribution is distorted by gold fiducial markers placed in the prostate. Distortion can be suppressed by using small markers and more than 2 fields, but additional fiel
Externí odkaz:
https://doaj.org/article/05620f40137149e1ab53115dc1bcabad
Publikováno v:
Heliyon, Vol 9, Iss 11, Pp e21722- (2023)
We demonstrate that dopamine can be used as a reagent for colorimetric enzyme-linked immunosorbent assay (ELISA) using horseradish peroxidase (HRP). Dopamine was able to be polymerized in the presence of HRP and H2O2, and black polydopamine was obtai
Externí odkaz:
https://doaj.org/article/0b6d5177eb644af59f31591c37450273
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:
Takaaki Yoshimura, Kentaro Nishioka, Takayuki Hashimoto, Takashi Mori, Shoki Kogame, Kazuya Seki, Hiroyuki Sugimori, Hiroko Yamashina, Yusuke Nomura, Fumi Kato, Kohsuke Kudo, Shinichi Shimizu, Hidefumi Aoyama
Publikováno v:
PLoS ONE, Vol 18, Iss 1, p e0280076 (2023)
In urethra-sparing radiation therapy, prostatic urinary tract visualization is important in decreasing the urinary side effect. A methodology has been developed to visualize the prostatic urinary tract using post-urination magnetic resonance imaging
Externí odkaz:
https://doaj.org/article/29fd3d4f079e463080f6dbec9236e351
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:
Takaaki Yoshimura, Kentaro Nishioka, Takayuki Hashimoto, Kazuya Seki, Shouki Kogame, Sodai Tanaka, Takahiro Kanehira, Masaya Tamura, Seishin Takao, Taeko Matsuura, Keiji Kobashi, Fumi Kato, Hidefumi Aoyama, Shinichi Shimizu
Publikováno v:
Physics and Imaging in Radiation Oncology, Vol 20, Iss , Pp 23-29 (2021)
Background and Purpose: Urethra-sparing radiation therapy for localized prostate cancer can reduce the risk of radiation-induced genitourinary toxicity by intentionally underdosing the periurethral transitional zone. We aimed to compare the clinical
Externí odkaz:
https://doaj.org/article/9c3ea42565db4759896b61d04e46c600