Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Masaaki Fukunaga"'
Autor:
Yuki Yamaguchi, Masaaki Fukunaga, Hideki Mitsui, Akio Nagaki, Osamu Ito, Hiroyuki Yamamoto, Yuji Kawakami, Daiki Watanabe
Publikováno v:
Nihon Hoshasen Gijutsu Gakkai zasshi. 78(10)
There are problems with dose management in X-ray computed tomography (CT) because the protocol used for any examination is not always in the same scan range. The purpose of this study was to investigate the usefulness of setting the CT protocol based
Autor:
Takanao Tanaka, Yasutaka Takei, Hiroaki Kameiyama, Hideki Mitsui, Masaaki Fukunaga, Shota Ichikawa, Kosuke Matsubara
Publikováno v:
Japanese Journal of Radiological Technology. 76:572-578
The purpose of this study was to measure the scatter radiation intensity during transforaminal lumbar interbody fusion using a mobile C-arm system (Arcadis Orbic 3D; Siemens) and minimize radiation exposure. Dosimetry was performed with anterior-post
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
Publikováno v:
Journal of Thoracic Imaging. 35:173-178
PURPOSE The purpose of this article was to verify the usefulness and feasibility of a single-phase scan for pulmonary artery/vein separation using a bolus-tracking technique and to evaluate the influence of patient characteristics on differentiation
Autor:
Kosuke Matsubara, Hideki Mitsui, Shota Ichikawa, Hiroyuki Yamamoto, Masaaki Fukunaga, Tosiaki Miyati
Publikováno v:
European journal of radiology. 135
Purpose To assess the usefulness of effective diameter (Deff) for CT dose management of adult patients with unknown body weight. Methods A total of 642 adult patients whose height and weight had been measured before CT examination (chest CT using Aqu
Publikováno v:
Japanese Journal of Radiological Technology. 74:1329-1334
The purpose of this study was to analyze the native T1 value of myocardium and the relationship between myocardial native T1 value and gender, age and myocardial areas in Japanese. The subject of this study was 145 Japanese healthy subjects who under
Publikováno v:
Journal of Nuclear Medicine Technology. 45:214-218
Objective: This study aimed to determine whether a bismuth-coated latex shield (B-shield) could protect the eyes during brain SPECT/CT. Methods: A B-shield containing the heavy metal bismuth (0.15 mm lead equivalent) was placed over a cylindrical pha
Publikováno v:
Japanese Journal of Radiological Technology. 73:267-272
Purpose The purpose of this study was to investigate the injection pressure reduction effect of the novel indwelling needle (Becton, Dickinson and Company). Method We evaluated the period of 651 patients who underwent dynamic computed tomography. We
Publikováno v:
Japanese Journal of Radiological Technology. 72:489-495
PURPOSE The purpose of this study was to evaluate the effects of target diameter and display-field of view (D-FOV) in modulation transfer function (MTF) by circular edge strategy using the computed tomography (CT) image measurement program "CTmeasure
Publikováno v:
Japanese Journal of Radiological Technology. 72:1237-1244
PURPOSE The purpose of this study was to investigate the effects of the metal artifact reduction using single energy metal artifact reduction (SEMAR) with a prosthetic hip joint in different field of view (FOV). METHODS A prosthetic hip joint was arr