Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Yoshiharu Kangai"'
Publikováno v:
Asia Oceania Journal of Nuclear Medicine and Biology, Vol 1, Iss 2, Pp 28-34 (2013)
Objective(s): A novel IQ-SPECTTM method has become widely used in clinical studies. The present study compares the quality of myocardial perfusion images (MPI) acquired using the IQ-SPECTTM (IQ-mode),conventional (180° apart: C-mode) and L-mode (90
Externí odkaz:
https://doaj.org/article/634a7f5ad4e649acb8feddd818000186
Publikováno v:
Asia Oceania Journal of Nuclear Medicine and Biology, Vol 1, Iss 2, Pp 28-34 (2013)
Introduction: A novel IQ-SPECTTM method has become widely used in clinical studies. The present study compares the quality of myocardial perfusion images (MPI) acquired using the IQ-SPECTTM (IQ-mode),conventional (180° apart: C-mode) and L-mode (90
Externí odkaz:
https://doaj.org/article/25ba6bbc337c4427ae0bdfb32d112d82
Publikováno v:
Japanese Journal of Radiological Technology. 77:921-931
PURPOSE The purpose of this study was to evaluate the best phantom for calculating the becquerel calibration factor (BCF) and correction method to obtain the improvement of standardized uptake value (SUV) accuracy in both single photon emission compu
Autor:
Yoshiharu Kangai, Kenta Miwa
Publikováno v:
Nihon Hoshasen Gijutsu Gakkai zasshi. 78(5)
Publikováno v:
Nihon Hoshasen Gijutsu Gakkai zasshi. 77(9)
The purpose of this study was to evaluate the best phantom for calculating the becquerel calibration factor (BCF) and correction method to obtain the improvement of standardized uptake value (SUV) accuracy in both single photon emission computed tomo
Autor:
Yukito Maeda, Shuji Kenda, Yoshiharu Kangai, Komei Takauchi, Yayoi Taniguchi, Shingo Kageyama
Publikováno v:
Japanese Journal of Radiological Technology. 75:62-67
Purpose We investigated the way of thinking about the CT dose setting, the exposure dose (CTDIvol, DLP) and the image quality (standard deviation of liver: SDliver) of whole-body PET/CT examinations in the Chugoku and Shikoku regions for the optimize
Autor:
Yoshiharu Kangai, Masahiro Nakashima
Publikováno v:
Nihon Hoshasen Gijutsu Gakkai zasshi. 76(10)
Purpose The aim of this study was to clarify the optimal post-reconstruction filtering type in the three- dimensional ordered subset expectation maximization (3D-OSEM) method for bone single photon emission computed tomography (SPECT) from image qual
Autor:
Hideo Onishi, Takayuki Sakai, Norikazu Matsutomo, Masayuki Sasaki, Syuuji Kenda, Yukito Maeda, Nobuhiro Yada, Yoshiharu Kangai, Yuji Kai
Publikováno v:
Japanese Journal of Radiological Technology. 72:410-415
Purpose The aim of this study was to validate the reliability of dose calibrators for measuring the radioactivity of several radioisotopes in multi-institution. Methods We evaluated the measurement accuracy of dose calibrators using a commercially av
Autor:
Satoshi Odajima, Hideo Onishi, Norikazu Matsutomo, Tetsuro Mizuta, Takashi Kamiya, Yoshiharu Kangai
Publikováno v:
Japanese Journal of Radiological Technology. 72:209-217
Purpose Recently, the quality of positron emission tomography (PET) images has rapidly improved using resolution recovery algorithm with point spread function (PSF). The aim of this study was to investigate the accuracy of the resolution recovery alg
Publikováno v:
Japanese Journal of Radiological Technology. 71:605-611
PURPOSE Subcutaneous fat is a non-radioactive material surrounding the radioactive material. We developed a phantom, and examined the effect of subcutaneous fat on PET image quality. METHODS We created a cylindrical nonradioactive mimic of subcutaneo