CR双下肢全长图像拼接的摄影参数探讨及其临床应用价值

Exploration of Photographic Parameter and the Evaluation of Clinical Application for CR Image Splicing of Double Total Length Lower Extremities

目的:探讨CR在双下肢全长图像拼接的摄影参数及临床应用价值。方法:以FCR-5000CR成像系统的应用及CR在骨骼系统摄影条件的成像特性来选择合适的下肢全长骨骼数字化X线的摄影条件。结果:根据不同摄影参数下的空间分辨率分布情况,获取优化的CR下肢全长摄影的管电压和管电量参数。结论:CR在双下肢全长的摄影参数应根据CR成像系统的特性,以实验结果为依据。在保证影像质量和患者受辐射剂量上选择最为适宜的摄影参数,为膝关节置换术等临床应用提供准确的影像学资料。

Objective To explore the photographic parameter for CR image splicing of double total length lower extremities and the evaluation of clinical application.Methods The suitable X-ray exposure conditions for full-leg digital radiograph was chosen according to the application of FCR-5000 CR imaging system and the exposure conditions of CR in osseous system. Results Optimal tube voltage and milliamp-second of parameters for the full-length leg projection was acquired in terms of the distribution of spatial resolution under different parameters of exposure. Conclusion The exposure parameter of CR in full-leg image stitching should be based on the characteristics of CR imaging system and the results of experiment. It is important to choose the most appropriate exposure parameters to ensure image quality and reduce radiation dose on patients to provide veracious image data for clinical application with osteoarthritis of the knee.