计算机断层扫描装置(CT)是医院临床应用中重要的大型影像诊断设备。定期对CT进行检测是影像诊断质量保证工作中的重要内容,也是保证和提高医疗质量的重要环节。最近几年我国在对CT等大型影像诊断设备的质量保证方面相继采取了一系列措施,军队在这方面的工作也逐步展开。1　检测 Computed tomography (CT) is an important large-scale imaging diagnostic device in the clinical application of the hospital. The regular detection of CT is an important part in the quality assurance of image diagnosis and an important link to ensure and improve the quality of medical treatment. In recent years, our country has successively taken a series of measures in quality assurance of large-scale imaging diagnostic equipment such as CT, and the military’s work in this area has also been gradually started. 1 test