Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Yasushi Katsunuma"'
Publikováno v:
Journal of Applied Clinical Medical Physics
Three‐dimensional computed tomographic angiography (3D‐CTA) is widely used to evaluate the inner diameters of vessels and the anatomical vascular structure prior to endoscopic aortic surgery or transcatheter valve implantation. Virtual monoenerge
Autor:
Toshioh Fujibuchi, Yasushi Katsunuma, Kazutoshi Sasanuma, Hitoshi Hiraki, Takurou Nakano, Yasuyoshi Ogawa, Tetsuo Kida, Tomokazu Shohji, Kimiya Noto, Genki Horitsugi, Ichiro Yamaguchi, Makoto Hosono, Hiroshi Watanabe
Publikováno v:
Radiological Physics and Technology
The goal of this study is to develop a more appropriate shielding calculation method for computed tomography (CT) in comparison with the Japanese conventional (JC) method and the National Council on Radiation Protection and Measurements (NCRP)-dose l
Autor:
Koba, Yusuke, Matsumoto, Shinnosuke, Nakada, Yoshihiro, Akahane, Keiichi, Okuda, Yasuo, Kanda, Reiko, Takahashi, Fumiaki, Sato, Kaoru, Ono, Koji, Yoshitake, Takayashu, Hasegawa, Takayuki, Yasushi, Katsunuma, Kasahara, Tetsuharu, Kai, Michiaki
X-ray CT (Computed Tomography) is very popular as a useful diagnostic method, so it is important to assess high exposure dose of CT in terms of justification and optimization. WAZA-ARI version 2 (WAZA-ARIv2, https://waza-ari.nirs.qst.go.jp/) is the w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=jairo_______::8f1d6e378cfa92c95011b69a83e5b77e
https://repo.qst.go.jp/records/72818
https://repo.qst.go.jp/records/72818
Autor:
Fumiaki Takahashi, Takayuki Hasegawa, Takayasu Yoshitake, Yasushi Katsunuma, Michiaki Kai, Nobuhiko Ban, Akira Endo, Kaoru Sato, Koji Ono
Publikováno v:
Health Physics. 109:104-112
A dosimetry system for computed tomography (CT) examinations, named WAZA-ARI, is being developed to accurately assess radiation doses to patients in Japan. For dose calculations in WAZA-ARI, organ doses were numerically analyzed using average adult J
Effects of Human Model Configuration in Monte Carlo Calculations on Organ Doses from CT Examinations
Autor:
Fumiaki TAKAHASHI, Kaoru SATO, Akira ENDO, Koji ONO, Takayasu YOSHITAKE, Takayuki HASEGAWA, Yasushi KATSUNUMA, Nobuhiko BAN, Michiaki KAI
Publikováno v:
Progress in Nuclear Science and Technology. 2:153-159
Autor:
Yasushi Katsunuma, Koji Ono, Kaoru Sato, Akira Endo, Michiaki Kai, Fumiaki Takahashi, Takayuki Hasegawa, T. Yoshitake, Nobuhiko Ban
Publikováno v:
Radiation Protection Dosimetry. 147:333-337
A web-based computed tomography (CT) dose calculation system (WAZA-ARI) is being developed based on the modern techniques for the radiation transport simulation and for software implementation. Dose coefficients were calculated in a voxel-type Japane
Autor:
Fumiaki Takahashi, Takayuki Hasegawa, Yasushi Katsunuma, Akira Endo, Michiaki Kai, Kaoru Sato, Takayasu Yoshitake, Koji Ono, Nobuhiko Ban
Publikováno v:
Radiation Protection Dosimetry. 146:244-247
A web-based dose computation system, WAZA-ARI, is being developed for patients undergoing X-ray CT examinations. The system is implemented in Java on a Linux server running Apache Tomcat. Users choose scanning options and input parameters via a web b
Autor:
Takayasu Yoshitake, Yasushi Katsunuma, Takayuki Hasegawa, Oiso-mati Naka-gun, Kaoru Sato, Akira Endo, Fumiaki Takahashi, Koji Ono, Nobuhiko Ban, Michiaki Kai
Publikováno v:
Progress in Nuclear Science and Technology. 1:517-520
A new dosimetry system, named WAZA-ARI, is being developed to assess organ doses of a patient in a Computed Tomography (CT) examination. A Japanese adult male voxel phantom (JM phantom) is applied to derive the basic data for dose assessment in WAZA-
Autor:
Yasushi Katsunuma, Kaoru Sato, Michiaki Kai, Akira Endo, Nobuhiko Ban, Takayuki Hasegawa, Fumiaki Takahashi, Takayasu Yoshitake, Koji Ono
Publikováno v:
Radiation Protection Dosimetry. 146:241-243
A web system of WAZA-ARI is being developed to assess radiation dose to a patient in a computed tomography examination. WAZA-ARI uses one of organ dose data sets corresponding to the options selected by a user to describe examination conditions. The