摘要
目的:评价16层螺旋CT肺动脉造影对肺动脉栓塞的诊断价值。材料与方法:对30例行16层螺旋CT肺动脉造影检查的肺动脉栓塞患者进行回顾性分析。使用16层螺旋CT扫描机,进行平扫胸部和增强扫描,并在工作站进行图像后处理,获得肺动脉多平面重建图像及三维立体图像。结果:对30例497支肺动脉分支进行分析,受累率为33.6%;栓子发生在主肺动脉/左右肺动脉干及叶段肺动脉。其直接征象为腔内充盈缺损142支(56%),完全阻塞37支(15%);间接征象"马赛克"征12例,肺梗死4例,肺动脉高压12例,胸腔积液9例。结论:16层螺旋CT扫描速度快,图像清晰,不遗漏小病灶,16层螺旋CT肺动脉造影是肺支脉栓塞安全、迅速、无创的有效诊断方法。
Purpose: To evaluate the diagnosis value of 16-alice spiral CT contrast enhanced imaging in pulmonary embolism. Materials and Methods: 30 cases were studied retrospectively. Plain scans and contrast enhanced scans of lung were performed in all patients. MPR and 3D imagings were taken in workstation of CT. Results: Study the 497 pulmonary arteries of 30 patients. The involve rate is 33.6%. The embolisms were found in main pulmonary arteries, left/right pulmonary arteries and lobule/segment pulmonary arteries, direct imagings are filling defect of duct in 142 branches (56%), block complete in 37 branches (15%). Indirect imagings are mosaic perfusiun in 12 cases, pulmonary infarct in 4 cases, high pulmonary artery pressure in 12 cases, thorax fluid collection in 9 cases. Conelusion: 16 - slice spiral CT contrast enhanced imaging is a rapidly imaging definition method. It is a safe, rapid, nonintervention method in diagnosis pulmonary embllism.
出处
《现代医用影像学》
2008年第2期63-64,共2页
Modern Medical Imageology