Zobrazeno 1 - 10
of 1 028
pro vyhledávání: '"Koichi Okamoto"'
Autor:
Akinari Kasai, Jinsei Miyoshi, Yasushi Sato, Koichi Okamoto, Hiroshi Miyamoto, Takashi Kawanaka, Chisato Tonoiso, Masafumi Harada, Masakazu Goto, Takahiro Yoshida, Akihiro Haga, Tetsuji Takayama
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-10 (2024)
Abstract No clinically relevant biomarker has been identified for predicting the response of esophageal squamous cell carcinoma (ESCC) to chemoradiotherapy (CRT). Herein, we established a CT-based radiomics model with artificial intelligence (AI) to
Externí odkaz:
https://doaj.org/article/f8d01a5541984990b72f702d713e4b1d
Autor:
Koichi Okamoto, Noriyuki Inaki, Hiroto Saito, Mari Shimada, Takahisa Yamaguchi, Toshikatsu Tsuji, Hideki Moriyama, Jun Kinoshita, Isamu Makino, Keishi Nakamura, Hiroyuki Takamura, Itasu Ninomiya
Publikováno v:
BMC Surgery, Vol 23, Iss 1, Pp 1-9 (2023)
Abstract Background The degree of difficulty in the overall procedure and forceps handling encountered by surgeons is greatly influenced by the positional relationship of intrathoracic organs in minimally invasive esophagectomy. This study aimed to i
Externí odkaz:
https://doaj.org/article/50f0183f9347429a9f166baf98d2997f
Autor:
Takahisa Yamaguchi, Koichi Okamoto, Hiroto Saito, Mari Shimada, Toshikatsu Tsuji, Hideki Moriyama, Jun Kinoshita, Keishi Nakamura, Noriyuki Inaki
Publikováno v:
BMC Gastroenterology, Vol 23, Iss 1, Pp 1-8 (2023)
Abstract Background Malignant esophageal stenosis is a common and severe complication of advanced esophageal cancer that can be a serious problem in the continuation of chemotherapy and other anticancer treatments. The impact of chemotherapy regimens
Externí odkaz:
https://doaj.org/article/cea3d24575d144179f820b659c24be79
Autor:
Koichi Okamoto, Hiroto Saito, Mari Shimada, Takahisa Yamaguchi, Toshikatsu Tsuji, Hideki Moriyama, Jun Kinoshita, Keishi Nakamura, Itasu Ninomiya, Hiroyuki Takamura, Noriyuki Inaki
Publikováno v:
Surgical Case Reports, Vol 9, Iss 1, Pp 1-8 (2023)
Abstract Background Nonocclusive mesenteric ischemia (NOMI), an ischemic bowel disease without a disruption of the mesenteric blood flow or strangulation of the mesentery or intestine, may cause a lethal clinical course. We report a very rare case of
Externí odkaz:
https://doaj.org/article/26011617441d4d06b1e6bf288a5c1a6b
Autor:
Tetsuya Matsuyama, Noboru Osaka, Mikiya Yamaguchi, Naohiro Kanamaru, Kenji Wada, Ai Kawakita, Kaori Murata, Kenji Sugimoto, Koichi Okamoto
Publikováno v:
Micromachines, Vol 15, Iss 5, p 646 (2024)
In recent years, diseases such as age-related macular degeneration and retinal pigment degeneration caused by excessive exposure to short-wavelength visible light have become significant concerns. With the aim of quantitatively evaluating the toxicit
Externí odkaz:
https://doaj.org/article/95cbf0fb58894f80883b0b0615160bcc
Publikováno v:
Urology Case Reports, Vol 51, Iss , Pp 102596- (2023)
A 54-year-old male patient presented with pneumaturia. Right scrotal swelling was observed. CT showed an intrascrotal abscess with gas formation. MRI showed a fistula extending from the sigmoid colon to the seminal vesicles. Since there are many dive
Externí odkaz:
https://doaj.org/article/8e3728fe8624455dbea1707b0b1f74c3
Publikováno v:
Photonics, Vol 11, Iss 4, p 356 (2024)
We introduce a groundbreaking plasmonic metamaterial, the Nano-Hemisphere on Hyperbolic Metamaterial (NHoHMM), which involves the fabrication of Ag nano-hemispheres on a multilayered Ag/SiO2 structure, achieved solely through sputtering and heat trea
Externí odkaz:
https://doaj.org/article/d73a4549a39e48ee982779083853a981
Publikováno v:
Photonics, Vol 11, Iss 4, p 292 (2024)
This paper delves into the strategic design and optimization of silver (Ag) nanostructured arrays within plasmonic metamaterials, targeting the enhancement of imaging sensitivity. Leveraging Finite-Difference Time-Domain (FDTD) simulations, our resea
Externí odkaz:
https://doaj.org/article/9fc3dd23ca0b4257a3ec7286aee9849d
Autor:
Akinari Kasai, Jinsei Miyoshi, Yasushi Sato, Koichi Okamoto, Hiroshi Miyamoto, Takashi Kawanaka, Chisato Tonoiso, Masafumi Harada, Masakazu Goto, Takahiro Yoshida, Akihiro Haga, Tetsuji Takayama
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-1 (2024)
Externí odkaz:
https://doaj.org/article/35d6169e1e884783bff49440aaf6bf67
Autor:
Yoshifumi Kida, Toshiya Okahisa, Yasushi Sato, Masahiro Bando, Shota Fujimoto, Beibei Ma, Tadahiko Nakagawa, Tomoyuki Kawaguchi, Fumika Nakamura, Koichi Okamoto, Hiroshi Miyamoto, Masahiro Sogabe, Koichi Tsuneyama, Tetsuji Takayama
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-11 (2023)
Abstract Although several angiogenesis-related factors are reportedly involved in the pathogenesis of ulcerative colitis (UC), the mechanisms by which they contribute to disease are unclear. We first examined the expression of angiogenesis-related fa
Externí odkaz:
https://doaj.org/article/db846a467da149be9dd38ebf1456f680