CT检查在泌尿系结石诊断和治疗中的作用

Role of CT scan in the diagnosis and treatment of urinary calculus

泌尿系结石是泌尿系统的常见病。随着人民生活水平的提高，泌尿系结石的发病率逐年增高。CT在诊断泌尿系结石方面，具有其他影像学检查难以比拟的优势。目前应用较多的，包括螺旋CT平扫，螺旋CT低剂量平扫，CT尿路造影，以及双源CT双能量成像。分析比较不同类型CT的优势和各自的特点，有助于临床医师在诊疗过程中，更有针对性地对检查方式进行选择，使各类检查的优势得到最大化，从而提高诊断的准确性和治疗的有效性。

Urinary calculus is a common disease of urinary system. With the improvement of people＇s liv- ing standard, the incidence rate of urinary calculus increased year by year. Compared with other methods, spiral CT has a great advantage in the diagnosis of urinary calculus. The current commonly used examinations including spiral CT plain scan, low dose spiral CT scan, CT urography, and dual source dual energy CT im- aging. The advantages and characteristics of different types of CT are analyzed and compared, which is helpful for clinicians to choose the most proper examination, to make the most of the advantages of various checks, so as to improve the accuracy of diagnosis and effectiveness of treatment.