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| Performance quality control detection and result analysis of SPECT equipment |
| HU Bo, LIAO Xiangdong, LI Changhong, LIU Ran, MA Qiao |
| Sichuan Provincial Center for Disease Control and Prevention, Chengdu 610041 China |
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Abstract Objective To understand the performance status of SPECT and improve the quality control of the SPECT by testing 9 SPECT equipments in Sichuan province.Methods According to the relevant national and NEMA standards, using SPECT performance detection mode and image analysis code, the performance of the 9 SPECTs were measured including their tomographic spatial resolution, system planar sensitivity, system spatial resolution, intrinsic counting rate performance, intrinsic spatial resolution, intrinsic spatial resolution, intrinsic uniformity, intrinsic spatial differential linear.Results In the 7 performance indicators, the intrinsic uniformity and the intrinsic spatial differential linear qualification rate are relatively low, the pass rate is only 44.4% and 33.3%, intrinsic counting rate performance and the intrinsic spatial resolution pass rate are 88.9%, and the other indexes pass rate are 100%.Conclusion Users should have some daily maintenance skills and awareness, take quality control measures for equipment, emphasize the importance of performance testing for SPECT devices, so as to improve the quality of clinical diagnosis.
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Received: 12 March 2018
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