摘要
目的 探讨螺旋CT增强扫描诊断肺栓塞的临床价值。 方法 对 2 0例肺栓塞患者应用螺旋CT连续容积扫描 ,层厚 3mm～ 7mm ,扫描时间 1秒 ,造影剂流速 2 5ml s～ 3 5ml s扫描延迟时间 15秒～ 2 0秒。 结果 肺栓塞的螺旋CT直接征象为腔内充盈缺损 ;间接征象为肺窗“马赛克”征及肺梗死灶。 结论 螺旋CT增强扫描是快速、有效、无创伤诊断肺栓塞的首选诊断方法。
Objective To evaluate the clinical value of spiral CT in the diagnosis of pulmonary emboli sm(PE). Methods 20 patients with PE were performed spiral CT volume scanning,slice thickness of 3mm～7mm,scan time was 1s,contrast medium was administered by automatic injec tor with flow rate of 2.5ml/s～3.5ml/s,delay time was 15s～20s. Results In spiral CT the direct signs of the diagnostic features for PE was intraluminal filling defect an d secondary signs included 'mosaic sign' on lung window and focus of pulmonary infarction. Conclusion Sprial CT enhancement scanning might be a fast,effective,and non-invasive method for diagnosing PE.
出处
《实用心脑肺血管病杂志》
2004年第2期86-88,共3页
Practical Journal of Cardiac Cerebral Pneumal and Vascular Disease
关键词
螺旋CT
增强扫描
肺栓塞
诊断
Pulmonary embolism Spiral CT Enhancement scanning
