Zobrazeno 1 - 10
of 128
pro vyhledávání: '"Shinichi Ueda"'
Autor:
Akihiro Takemura, Akira Nagano, Hironori Kojima, Tomohiro Ikeda, Noriomi Yokoyama, Kosuke Tsukamoto, Kimiya Noto, Naoki Isomura, Shinichi Ueda, Hiroki Kawashima
Publikováno v:
Physics and Imaging in Radiation Oncology, Vol 6, Iss , Pp 77-82 (2018)
Background and purpose: In adaptive radiotherapy, deformable image registration (DIR) is used to propagate delineations of tumors and organs into a new therapy plan and to calculate the accumulated total dose. Many DIR accuracy metrics have been prop
Externí odkaz:
https://doaj.org/article/dabe1b574bf044258088fcff9dc80a77
Autor:
Haruna Yokoyama, Kimiya Noto, Shogo Kurokawa, Shigeyuki Takamatsu, Akihiro Takemura, Hironori Kojima, Shinichi Ueda
Publikováno v:
Journal of Applied Clinical Medical Physics
The Catalyst HD (C‐RAD Positioning AB, Uppsala, Sweden) optical surface imaging (OSI) system is able to manage interfractional patient positioning, intrafractional motion monitoring, and non‐contact respiratory gating without x‐ray exposure for
Autor:
Trang Hong Thi Nguyen, Naoki Isomura, Kimiya Noto, Shinichi Ueda, Akihiro Takemura, Hironori Kojima
Publikováno v:
Journal of Radiotherapy in Practice. 20:316-320
Aim:To investigate the effect of different energies on dose distribution in volumetric-modulated arc therapy (VMAT) plans for head and neck cancer.Materials and methods:Data from nine patients undergoing VMAT plans using 6 MV, 10 MV and dual-energy X
Autor:
Hironori Kojima, Akihiro Takemura, Kimiya Noto, Ryoto Kaido, Tsubasa Osawa, Naoki Isomura, Shinichi Ueda
Publikováno v:
Japanese Journal of Radiological Technology. 76:665-673
Purpose The aim of this study was to analyze improvement prediction on contour deformation accuracy using deformable image registration (DIR) results compared to rigid image registration (RIR) results. Method Radiotherapy plans for 31 cases (seven he
Publikováno v:
Japanese Journal of Radiological Technology. 76:500-504
Guidelines require commissioning for deformable image registration (DIR) software before clinical use. The accuracy of DIR software depends upon data used. If common datasets for the DIR commissioning are available, the DIR results using the common d
Autor:
Boriphat, Kadman, Akihiro, Takemura, Tatsuya, Ito, Naoki, Okada, Hironori, Kojima, Shinichi, Ueda
Publikováno v:
Journal of Applied Clinical Medical Physics. 23
The Catalyst™ HD (C-RAD Positioning AB, Uppsala, Sweden) is surface-guided radiotherapy (SGRT) equipment that adopts a deformable model. The challenge in applying the SGRT system is accurately correcting the setup error using a deformable model whe
Autor:
Tomohiro Ikeda, Noriomi Yokoyama, Hiroki Kawashima, Kosuke Tsukamoto, Naoki Isomura, Hironori Kojima, Kimiya Noto, Akira Nagano, Akihiro Takemura, Shinichi Ueda
Publikováno v:
Physics and Imaging in Radiation Oncology, Vol 6, Iss, Pp 77-82 (2018)
Physics and Imaging in Radiation Oncology
Physics and Imaging in Radiation Oncology
Background and purpose: In adaptive radiotherapy, deformable image registration (DIR) is used to propagate delineations of tumors and organs into a new therapy plan and to calculate the accumulated total dose. Many DIR accuracy metrics have been prop
Publikováno v:
Radiotherapy and Oncology. 161:S1499
Autor:
Hironori Kojima, Tomoyasu Kumano, Shinichi Ueda, Naoki Isomura, Kumiko Togawa, Tomohiro Yokoi, Akihiro Takemura, Kimiya Noto
Publikováno v:
Radiological Physics and Technology. 9(2):178-186
In volumetric modulated arc therapy (VMAT) for prostate cancer, a positional and rotational error correction is performed according to the position and angle of the prostate. The correction often involves body leaning, and there is concern regarding
Autor:
Shigeyuki Takamatsu, S. Kobayashi, K. Iwata, Shinichi Ueda, Toshifumi Gabata, Kimiya Noto, Satoshi Shibata, H. Kojima, Takayasu Sakurai, M. Taka
Publikováno v:
International Journal of Radiation Oncology*Biology*Physics. 108:e309