Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Yoshihisa, Muramatsu"'
Autor:
Hiroaki Sagara, Kazumasa Inoue, Hideki Yaku, Amon Ohsawa, Chikara Mano, Takahiro Morita, Takashi Hiyama, Yoshihisa Muramatsu, Anri Inaki, Hirofumi Fujii
Publikováno v:
Nuclear Medicine Communications; Jan2024, Vol. 45 Issue 1, p93-101, 9p
Autor:
Shuhei Ohashi, Masashi Wakabayashi, Hirofumi Fujii, Hiroaki Sagara, Rikuta Ishigaki, Yoshihisa Muramatsu, Takashi Someya, Kaori Yanagisawa, Amon Ohsawa, Yaku Hideki, Kazumasa Inoue
Publikováno v:
Annals of Nuclear Medicine. 35:1177-1186
Objective Recently, the national diagnostic reference levels (DRLs) in Japan were revised as the DRLs 2020, wherein the body weight-based injection dose optimization in positron emission tomography/computed tomography using 18F-fluoro-2-deoxy-D-gluco
Autor:
Yasutaka Takei, Osamu Miyazaki, Kosuke Matsubara, Shoichi Suzuki, Yoshihisa Muramatsu, Masaaki Fukunaga, Masaaki Akahane
Publikováno v:
Nihon Hoshasen Gijutsu Gakkai zasshi. 78(4)
To understand the latest pediatric computed tomography (CT) exposure required for the revision of national DRLs.A questionnaire was sent to 409 facilities where the members of the Japanese Society of Radiological Technology and the Japanese Society o
Autor:
Satoshi Obara, Yoshihisa Muramatsu, Keiichi Nomura, Keisuke Fujii, Shinsuke Tsukagoshi, Hiroyuki Ota, Takahiro Goto
Publikováno v:
Physica Medica. 77:1-9
Objectives This study aimed to determine organ doses based on Monte Carlo (MC) simulations for individual patients undergoing routine adult chest abdomen-pelvis computed tomography (CT) examinations and to evaluate the correlations of organ doses wit
Autor:
Hiroki Saito, Isao Nakata, Tsuyoshi Yamamoto, Makoto Hayashibara, Hiroyuki Miyake, Makoto Suzuki, Hideki Fujii, Yoshihisa Muramatsu
Publikováno v:
Japanese Journal of Radiological Technology. 76:1327-1348
Autor:
Yotaro Ishihara, Yoshihisa Muramatsu, Kazuya Okamoto, Junji Takahashi, Mitsuhiro Yoshida, Hiroshi Sato
Publikováno v:
Nihon Hoshasen Gijutsu Gakkai zasshi. 77(12)
Publikováno v:
J Digit Imaging
This study aims to devise a simple method for evaluating the magnitude of texture noise (apparent noise) observed on computed tomography (CT) images scanned at a low radiation dose and reconstructed using iterative reconstruction (IR) and deep learni
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::746bc1cd2630de812925ae7cb2a4bc0c
https://europepmc.org/articles/PMC8854541/
https://europepmc.org/articles/PMC8854541/
Autor:
Ryutaro Kakinuma, Noriyuki Moriyama, Yukio Muramatsu, Shiho Gomi, Masahiro Suzuki, Hirobumi Nagasawa, Masahiko Kusumoto, Tomohiko Aso, Yoshihisa Muramatsu, Takaaki Tsuchida, Koji Tsuta, Akiko Miyagi Maeshima, Naobumi Tochigi, Shun-Ichi Watanabe, Naoki Sugihara, Shinsuke Tsukagoshi, Yasuo Saito, Masahiro Kazama, Kazuto Ashizawa, Kazuo Awai, Osamu Honda, Hiroyuki Ishikawa, Naoya Koizumi, Daisuke Komoto, Hiroshi Moriya, Seitaro Oda, Yasuji Oshiro, Masahiro Yanagawa, Noriyuki Tomiyama, Hisao Asamura
Publikováno v:
PLoS ONE, Vol 10, Iss 12, p e0145357 (2015)
Externí odkaz:
https://doaj.org/article/e971a06fe6544f338f5ba288e7fff1bc
Autor:
Ryutaro Kakinuma, Noriyuki Moriyama, Yukio Muramatsu, Shiho Gomi, Masahiro Suzuki, Hirobumi Nagasawa, Masahiko Kusumoto, Tomohiko Aso, Yoshihisa Muramatsu, Takaaki Tsuchida, Koji Tsuta, Akiko Miyagi Maeshima, Naobumi Tochigi, Shun-Ichi Watanabe, Naoki Sugihara, Shinsuke Tsukagoshi, Yasuo Saito, Masahiro Kazama, Kazuto Ashizawa, Kazuo Awai, Osamu Honda, Hiroyuki Ishikawa, Naoya Koizumi, Daisuke Komoto, Hiroshi Moriya, Seitaro Oda, Yasuji Oshiro, Masahiro Yanagawa, Noriyuki Tomiyama, Hisao Asamura
Publikováno v:
PLoS ONE, Vol 10, Iss 9, p e0137165 (2015)
PURPOSE:The image noise and image quality of a prototype ultra-high-resolution computed tomography (U-HRCT) scanner was evaluated and compared with those of conventional high-resolution CT (C-HRCT) scanners. MATERIALS AND METHODS:This study was appro
Externí odkaz:
https://doaj.org/article/77f5d363508e4792b49b1e28227d4afd
Publikováno v:
Radiation protection dosimetry. 197(1)
This study aimed to determine organ doses based on Monte Carlo (MC) simulations for individual paediatric patients undergoing chest–abdomen–pelvis computed tomography (CT) examinations and to evaluate correlations of organ doses with dose metrics