| 虞崚崴,彭海腾,朱锦勇,朱礼华,薛建平,张忠阳.多层螺旋CT肺动脉造影在肺栓塞诊断中的应用[J].中国医学影像技术,2008,24(s1):81~83 |
| 多层螺旋CT肺动脉造影在肺栓塞诊断中的应用 |
| The application of pneumoangiography with multi-slice CT in the diagnosis of pulmonary embolism |
| 投稿时间：2008-07-03 修订日期：2008-07-23 |
| DOI： |
| 中文关键词: 肺栓塞 肺动脉 体层摄影术,X线计算机 |
| 英文关键词:Pulmonary embolism Pulmonary artery Tomography, X-ray computed |
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| 中文摘要: |
| 目的 探讨多层螺旋CT肺动脉造影在肺栓塞诊断中的临床应用。 方法 19例肺动脉栓塞患者采用MSCT增强扫描,进行多平面重建(MPR)和最大密度投影(MIP)重建处理并计算CT肺动脉阻塞百分数。 结果 多层螺旋CT扫描肺动脉主干、左右肺动脉及叶、段、亚段动脉显示良好,显示受累肺动脉122支,其直接征象为肺动脉血管内充盈缺损,间接征象包括肺梗死、肺野少血征、胸腔积液等。CT肺动脉阻塞百分数分别从2.5％到75％不等。 结论 多层螺旋CT能清楚地显示肺栓塞 |
| 英文摘要: |
| Objective To explore the application of pneumoangiography with multi-slice CT (MSCT) in the diagnosis of pulmonary embolism (PE). Methods Nineteen cases with PE were proved with MSCT contrast enhancement scanning, and processed multiple planar reconstruction (MPR) or maximum intensity projection (MIP), and then the percent of PE CT index (CTI%) was calculated. Results Main pulmonary trunk, left or right pulmonary branch, and lobar, segmental or subsegmental pulmonary artery were displayed well with MSCT, 122 branches were displayed, direct signs is pulmonic filling-defect, indirect signs include pulmonary embolism, lung lack of blood, pleural effusion. CTI% value is from 2.5% to 75%. Conclusion The anatomic distribution and shape of PE and other indirect signs can be clearly demonstrated with MSCT, which is helpful to select the strategy of treatment. |
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