Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Masahiro Uematsu"'
Publikováno v:
European Journal of Radiology Open, Vol 8, Iss , Pp 100347- (2021)
Purpose: To investigate whether the attenuation value obtained by subtracting the CT value obtained from abdominal dynamic contrast enhanced (ADCE)-MDCT imaging of the equilibrium phase from the value obtained from that of the portal phase in hepatic
Externí odkaz:
https://doaj.org/article/5e24bed7e0fc41d5917889c6cb6929ed
Publikováno v:
Seikei-Kakou. 35:129-131
Publikováno v:
Cureus. 14(10)
Aim In this study, we compared three generations of tomotherapy (Hi-ART, Tomo-HD, and Radixact). This is to study the difference among tomotherapy systems in terms of dose distribution to planning target volume and organs at risk, and irradiation tim
Publikováno v:
European Journal of Radiology. 156:110550
The aim of the study is to investigate the feasibility for hepatic function and fibrosis visual assessment using transitional phase imaging based on the uptake process of Gd-EOB-DTPA.We retrospectively selected 105 consecutive patients who underwent
Publikováno v:
Radiological physics and technology. 12(4)
We aimed to investigate whether the frontal lobe bottom and cerebellum tuber vermis (FLB-CTV) line on brain perfusion scintigraphy, using iodine-123 isopropyl iodoamphetamine single photon emission computed tomography (I-123 IMP SPECT) images, is use
Autor:
Naoki Nakamura, Masahiro Fujii, Masahiro Uematsu, Makiko Ito, Keiichi Nakagawa, Teiji Nishio, Masatoshi Hashimoto, Takayuki Inomata, Yukihiro Hama
Publikováno v:
Journal of Applied Clinical Medical Physics
In this paper, we suggest a new method for verifying the motion of a binary multileaf collimator (MLC) in helical tomotherapy. For this we used a combination of a cylindrical scintillator and a general-purpose camcorder. The camcorder records the lig
Publikováno v:
Macromolecules. 44:5638-5649
This paper describes the facile synthesis of a diverse range of exact graft (co)polymers and double-tailed polystyrene (PS) by a linking reaction of living anionic polymers with a specially designed in-chain-multifunctionalized backbone PS. The backb
Autor:
Yukihiro Hama, Keiichi Nakagawa, Naoto Shikama, Masahiro Uematsu, Makiko Ito, Osamu Takahashi, Naoki Nakamura, Masatoshi Hashimoto, Kenji Sekiguchi
Publikováno v:
Strahlentherapie und Onkologie. 186:637-642
To evaluate variation in bladder volume of full bladders in definitive radiotherapy for localized prostate cancer and to investigate potential predictors of increased bladder volume variations. In 40 patients, the bladder volume was measured with meg
Autor:
Masahiro Uematsu, Jiro Hirokawa, Naohisa Goto, Takashi Ojima, Makoto Ando, Nobuharu Takahashi
Publikováno v:
IEEE Transactions on Vehicular Technology. 44:749-755
This paper proposes a single-layer slotted leaky waveguide array antenna for mobile DBS reception. A single-layer feed structure is proposed, where the feed waveguide is in the same layer as the radiating waveguides. This results in the simple fabric
Autor:
Naohisa Goto, Makoto Ando, Takashi Ojima, Jiro Hirokawa, Masahiro Uematsu, Nobuharu Takahashi
Publikováno v:
Proceedings of IEEE Antennas and Propagation Society International Symposium and URSI National Radio Science Meeting.
The authors propose a low-profile mobile DBS receiving system, which uses a slotted single-layer leaky waveguide array to realize a large beam-tilting angle of about 50 degrees. By using a large number of short radiating waveguides, the beamwidth in