Millimeter-order imaging technique from 100 keV to MeV based on germanium Compton camera

Shin'ichiro Takeda; Tomonori Fukuchi; Yousuke Kanayama; Shinji Motomura; Makoto Hiromura; Tadayuki Takahashi; Shuichi Enomoto

doi:10.1117/12.865333

27 August 2010 Millimeter-order imaging technique from 100 keV to MeV based on germanium Compton camera

Shin'ichiro Takeda, Tomonori Fukuchi, Yousuke Kanayama, Shinji Motomura, Makoto Hiromura, Tadayuki Takahashi, Shuichi Enomoto

Author Affiliations +

Proceedings Volume 7805, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XII; 780515 (2010) https://doi.org/10.1117/12.865333
Event: SPIE Optical Engineering + Applications, 2010, San Diego, California, United States

Abstract

A prototype molecular imaging system that features wide-band imaging capability from 100 keV to MeV was developed based on a germanium Compton camera. In this system, radiotracer imaging is performed through the Compton imaging technique above 300 keV and through the coded mask imaging technique below 200 keV. For practical use, small animal imaging requires spatial resolution of the order of millimeters. We conducted tests with a multiple-well phantom containing ^99mTc (140 keV) and ⁵⁴Mn (834 keV), and confirmed the spatial resolution of better than 3.2 mm for the phantom placed 35 mm above the detector. We also report imaging results of a living mouse into which we injected ^99mTc (140 keV) and ⁵⁴Mn (834 keV).

Citation Download Citation

Shin'ichiro Takeda, Tomonori Fukuchi, Yousuke Kanayama, Shinji Motomura, Makoto Hiromura, Tadayuki Takahashi, and Shuichi Enomoto "Millimeter-order imaging technique from 100 keV to MeV based on germanium Compton camera", Proc. SPIE 7805, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XII, 780515 (27 August 2010); https://doi.org/10.1117/12.865333

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