Hidehiko Okazawa
Tohoku University
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Annals of Nuclear Medicine | 1995
Hidehiko Okazawa; Yasuhisa Fujibayashi; Yoshiharu Yonekura; Nagara Tamaki; Sadahiko Nishizawa; Yasuhiro Magata; Koichi Ishizu; Tatsuro Tsuchida; Norihiro Sadato; Junji Konishi; Akira Yokoyama; Ren Iwata; Tatsuo Ido
We have developed a new62Zn/62Cu positron generator, and applied it for PET imaging of perfusion and plasma volume in 5 normal subjects. The generator makes it possible by a simple procedure to obtain62Cu eluate and labeling compounds sufficiently every 40–60 minutes.62Cu labeled pyruvaldehyde bis(N4-methylthiosemicarbazone) copper II (62Cu-PTSM) was employed for cerebral and my ocardial perfusion imaging and62Cu labeled human serum albumin-dithiosemicarbazone (62Cu-HSA-DTS) was used for plasma pool imaging. The images of cerebral blood flow, cerebral plasma volume and myocardial perfusion were excellent. In addition, the analysis of tissue activity and blood activity demonstrated the microspheric character of62Cu-PTSM. Correction of arterial activity with the standard disappearance curve of62Cu-PTSM suggested the possibility of quantifying blood flow. The results of this study indicate the capability of the62Zn/62Cu generator for wide clinical use without an in-house cyclotron.
Society of Nuclear Medicine Annual Meeting Abstracts | 2012
Tetsuya Mori; Kenji Takaki; Yasushi Kiyono; Yasuhisa Fujibayashi; Hidehiko Okazawa
Society of Nuclear Medicine Annual Meeting Abstracts | 2012
Yasushi Kiyono; Tetsuya Mori; Tatsuya Asai; Yasuhisa Fujibayashi; Hidehiko Okazawa
Society of Nuclear Medicine Annual Meeting Abstracts | 2011
Yukie Yoshii; Makoto Yoneda; Masamichi Ikawa; Takako Furukawa; Yasushi Kiyono; Tetsuya Mori; Hiroshi Yoshii; Nobuyuki Oyama; Hidehiko Okazawa; Yasuhisa Fujibayashi
Society of Nuclear Medicine Annual Meeting Abstracts | 2010
Hidehiko Okazawa; Myungmi Oh; Takashi Kudo; Yasushi Kiyono; Tetsuya Mori; Masato Kobayashi; Yasuhisa Fujibayashi
Society of Nuclear Medicine Annual Meeting Abstracts | 2009
Tetsuya Tsujikawa; Yoshio Yoshida; Takashi Kudo; Tetsuji Kurokawa; Yasushi Kiyono; Yasuhisa Fujibayashi; Hidehiko Okazawa
Society of Nuclear Medicine Annual Meeting Abstracts | 2009
Yasushi Kiyono; Ryuichi Nishii; Julius Balatoni; Yukie Yoshii; Masato Kobayashi; Yasuhiro Magata; Hidehiko Okazawa; Yasuhisa Fujibayashi; Juri Gelovani
Society of Nuclear Medicine Annual Meeting Abstracts | 2008
Raihan Hussain; Tatsuro Tsuchida; Takashi Kudo; Tsujikawa Tetsuya; Masato Kobayashi; Yasuhisa Fujibayashi; Hidehiko Okazawa
Society of Nuclear Medicine Annual Meeting Abstracts | 2008
Tatsuro Tsuchida; Yoshiki Demura; Hidehiko Okazawa; Tetsuya Tsujikawa; Takashi Kudoh; Hirohiko Kimura
Society of Nuclear Medicine Annual Meeting Abstracts | 2008
Masato Kobayashi; Takashi Kudo; Yasushi Kiyono; Tetsuya Tsujikawa; Mitsuo Watanabe; Hidehiko Okazawa; Yasuhisa Fujibayashi