Development of a cost-effective Compton camera using a positron emission tomography data acquisition system
Development of a cost-effective Compton camera using a positron emission tomography data acquisition system
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使用正电子发射断层扫描数据采集系统开发经济高效的康普顿相机
DOI：
10.1016/j.nima.2017.10.009
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发表时间：
2018
期刊：
影响因子：
--
通讯作者：
Watabe Hiroshi
中科院分区：
文献类型：
--
作者：
Nagao Yuto;Yamaguchi Mitsutaka;Kawachi Naoki;Watabe Hiroshi
在核医学成像中，大多数临床应用的伽马射线具有小于或等于511 keV的能量。放射性同位素发射更高能量的伽马射线用于治疗前和治疗成像的应用越来越受到关注。康普顿照相机具有成像具有宽范围能量的伽马射线的能力。由于康普顿照相机的灵敏度随着伽马射线能量的增加而降低，因此需要高灵敏度来对这样的放射性同位素进行成像。在这项研究中，我们开发了一个具有成本效益的康普顿相机使用高灵敏度的无机闪烁器和商业上可用的数据采集系统的正电子发射断层扫描相机。对54Mn点源进行了成像实验，验证了该相机的成像能力，并成功地对该点源进行了成像。
In nuclear-medical imaging, most clinically applied gamma rays have energies less than or equal to 511 keV. There is growing interest in the applications of radioisotopes emitting higher-energy gamma rays for pretherapeutic and therapeutic imaging. Compton cameras have the capability of imaging gamma rays with a wide range of energies. Since sensitivity of Compton cameras decrease with increase in gamma-ray energy, high sensitivity is required to image such radioisotopes. In this study, we developed a cost-effective Compton camera using high-sensitive inorganic scintillators and a commercially available data acquisition system for a positron emission tomography camera. An imaging experiment of a54Mn point source was performed to demonstrate the imaging capability for the camera, and the source was successfully imaged.