SPECT质量控制检测探讨

目的：探讨单光子发射计算机断层成像（SPECT）质量控制检测中主要性能指标的检测方法。方法：依据NEMA（美国电器制造商协会）2007版“SPECT性能测量”的标准，根据相应的模体对固有空间分辨率、固有空间非线性、固有非均匀性、特性计数率、系统平面灵敏度、系统空间分辨率及断层空间分辨率等指标进行检测。结果：经过质量控制检测，江苏省内4家医院的SPECT检测指标均存在一定偏差。结论：医院应开展辐射危害控制及核医学影像设备的质量控制检测，保证设备的正常运行以及核辐射卫生应急处置。

Research on the detection of SPECT quality control

Objective：To explore the SPECT detection method of quality control in detection of main performance index. Methods： according to the 2007 edition of ＂SPECT performance measurement＂ of the NEMA （the United States Electrical Manufacturers Association） standard, and the corresponding model of intrinsic spatial resolution, intrinsic spatial non-linearity, intrinsic non-uniformity, characteristic count rate, system planar sensitivity, system spatial resolution, fault spatial resolution and other indicators. Results： after quality control testing, have deviation more index hospitals SPECT results. Conclusion： the hospital should detect quality control as far as possible in nuclear medicine and nuclear medicine imaging equipment, ensure the normal operation of equipment, and improve the quality of image.