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A worldwide breakthrough--Digital PET System invented by HUST

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Nowadays, the world’s most advanced medical imaging equipment is the positron emission tomography （PET）. Recently, HUST Prof.  Xie Qingguo and his research team successfully invented the first digital PET system that could trace tumors one twentieth of the smallest ones traced by commercial PETs. Domestic and foreign experts considered that the new system might make a breakthrough in human’s cancer prevention and early diagnosis.
On Dec. 10th, Prof. Xie demonstrated the 1.3×0.8×1.6 cubic meters medical equipment. He introduced that the digital PET had already accomplished some researches in mice and proved its superiority in spatial resolution. Compared with the best spatial resolution 4.1mm of commercial PETs,  this digital PET has a 1.5mm spatial resolution, allowing it to detect lesions of 3.4 square millimeters.
 
Since its birth in the 1970s, PET has been widely used in the global medical field because of its advantage of non-invasive visualization of physiological activities. However, its digitalization has long been a hard target for many countries’ scientific and industrial fields.
 
Prof. Xie and his research group from13 different majors created the multi-voltage threshold sampling method through 11-year continuous efforts to obtain adequate information and rebuild exact images.
 
Prof. Zhang Yongxue, chairman of the Nuclear Medicine Branch of Chinese Nuclear Society stated that any improvement in resolution, would be a revolutionary breakthrough in medical science. Additionally, Dr. Gao Jianmin, tenure professor of the University of Chicago, praised Prof. Xie for creating the precedent of the first digital PET.

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