随着现代科技的迅猛发展,CT技术更是日新月异。近几年来螺旋CT在各级医院的应用已经逐步得到普及,有效地提高了医院的影像诊断水平和质量,为临床医疗工作打下了良好的基础。但是由于螺旋CT普及的速度太快,许多刚拥有螺旋CT机的医院,对怎样合理选择扫描参数,让机器充分发挥其效 With the rapid development of modern science and technology, CT technology is changing with each passing day. In recent years, the application of spiral CT in all levels of hospitals has been gradually popularized, effectively improving the level and quality of the hospital’s image diagnosis, laying a good foundation for clinical medical work. However, due to the popularity of spiral CT is too fast, many just have a helical CT machine in the hospital, on how to choose the appropriate scanning parameters, so that the full effect of the machine