CAJ | 학술논문

目的探讨跟踪扫描技术在16层螺旋CT动脉成像中的应用.方法应用GE LightSpeed 16层螺旋CT扫描仪进行跟踪扫描、测试扫描和估算扫描各100例CTA,所有扫描图像传送至AW4.2工作站进行后处理重建,并分别由3名经验丰富的CT诊断医师采用双盲法对3种方法的图像质量进行评价,分别统计优、良、可、差.结果跟踪扫描图像质量优级率89.00%、良7.00%、可4.00%、差0;测试扫描优级率70.00%、良11.00%、可15.00%、差4.00%;估算扫描优级率61.00%、良13.00%、可21.00%、差5.00%.结论应用跟踪扫描技术进行16层螺旋CT动脉成像所得图像质量明显优于测试扫描和估算扫描.
목적 탐토근종소묘기술재16층라선CT동맥성상중적응용.방법 응용GE LightSpeed 16층라선CT소묘의진행근종소묘、측시소묘화고산소묘각100례CTA,소유소묘도상전송지AW4.2공작참진행후처리중건,병분별유3명경험봉부적CT진단의사채용쌍맹법대3충방법적도상질량진행평개,분별통계우、량、가、차.결과 근종소묘도상질량우급솔89.00%、량7.00%、가4.00%、차0;측시소묘우급솔70.00%、량11.00%、가15.00%、차4.00%;고산소묘우급솔61.00%、량13.00%、가21.00%、차5.00%.결론 응용근종소묘기술진행16층라선CT동맥성상소득도상질량명현우우측시소묘화고산소묘.
Objective To explore the application of the tracking scan technique in 16-slice spiral CT angiography, in order to improve the quality of CTA. Methods Three hundred patients who were divided into three groups randomly underwent CTA in tracking, testing and estimation scan respectively with GE LightSpeed 16-slice spiral CT. The data of all patients were transmitted to the workstation (AW4.2) and reconstructed. The quality of all images were evaluated by three experienced doctors with double-blind method and divided into four grades (A, B, C and D) from optimal to poor. Results The rate of grade A, B, C and D was 89.00%, 7.00%, 4.00% and 0 respectively for tracking scan, 70.00%, 11.00%, 15.00% and 4.00% respectively for testing scan, while 61.00%, 13.00%, 21.00% and 5.00% respectively for estimation scan. Conclusion Tracking scan technique is superior to testing and estimation scan in image quality of 16-slice spiral CT angiography.