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 Research Team for Neuroimaging & Positron Medical Center



Kiichi Ishiwata, Ph.D.


Kenji Ishii, M.D., Jun Toyohara, Ph.D., Keiichi Oda, Ph.D., Muneyuki Sakata, Ph.D.

Visiting Scientists: Yuichi Kimura, Ph.D., Tadashi Nariai, M.D., Ph.D., Motoki Inaji, Ph.D., Masahiro Mishina, M.D., Ph.D. Yukihisa Suzuki, M.D., Ph.D., Mikio Hiura, M.D., Ph.D., Takuya Kawabe, M.D., Nobuyuki Okamura, M.D., Ph.D., Kotaro Hiraoka, M.D., Ph.D., Kyoji Okita, M.D.


PET, brain function, functional imaging, radiopharmaceutical


 The purpose of the team is investigation of aging and geriatric diseases, especially brain functions, using positron emission tomography (PET). The Positron Medical Center provided a highly advanced PET-based diagnosis to patients in the Tokyo Metropolitan Geriatric Hospital and other hospitals. PET is a nuclear medicine technique in which the subject is administered with positron emitting radiopharmaceuticals and is imaged with a PET camera to visualize functions of the brain and other organs. The Center houses a cyclotron, hot labs with radiosynthesis systems, a PET camera, and a computer network. The members of the team have been conducting basic and clinical research regarding PET by themselves and also in collaboration with many researchers in other research teams and TMGH, and from outside universities and research institutes.

 From April 2011 our team supports researches of the Tohoku University PET group that could not be continued because of the East-Japan great disaster.

Functional Brain Research

Positron Medical Center


Tokyo Metropolitan Institute of Gerontology
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