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多层螺旋CT肺动脉成像在肺动脉栓塞诊断中的临床价值

材料写作网    时间: 2021-08-28 04:07:16     阅读:

[摘要] 目的 探讨多层螺旋CT肺动脉成像在肺动脉栓塞中的临床价值。 方法 回顾性分析23例经CTPA确诊的肺栓塞患者,进行多平面重建(MPR)、最大密度投影(MIP)、容积再现(VRT),分析肺动脉栓子数量及栓塞类型。结果 23例患者CTPA发现共累及169支肺动脉及其分支,其中左、右肺动脉13支,叶肺动脉40支,段肺动脉77支,亚段动脉及以下分支39支;中心型65支,偏心型72支,附壁型2支,闭塞型30支;肺梗死3例,马赛克征4例,肺动脉高压8例,胸腔积液9例,心包积液3例,纤维性肺不张3例。 结论 多层螺旋CT肺动脉成像诊断肺动脉栓塞是一种无创、安全、快速、有效的检查方法。

[关键词] 肺栓塞;肺动脉;体层摄影术,X线计算机;血管成像

[中图分类号] R816.41 [文献标识码] B [文章编号] 1673-9701(2015)15-0124-03

[Abstract] Objective To explore the clinical value of multidetector CT angiography in the diagnosis of pulmonary embolism(PE). Methods Twenty-three PE patients diagnosed with CTPA were included in the retrospective study. Multiple plane reconstruction(MPR), maximum intensity projection(MIP), volume rendering technique(VRT) were performed to analyze the number of thrombi and type of PE. Results The CTPA of 23 patients revealed that totally 169 pulmonary arteries and their branches were affected, there were 13 right or left pulmonary arteries, 40 lobar arteries, 77 segment arteries, 39 subsegment or distal branches, respectively. The types of PE were 65 central, 72 eccentric, 2 luminal adhension, 30 obstruction, there were 3 cases of pulmonary infarction, 4 cases of mosaque, 8 cases of pulmonary hypertension, 9 cases of pleural ascites, 3 cases of hydrocardiac, 3 cases of fibrosis pulmonary ectasia. Conclusion CT angiography of MDCT is a noninvasive, safe, rapid, effective exam method for the diagnosis of pulmonary embolism.

[Key words] Pulmonary embolism; Pulmonary artery; Tomography, X-ra...

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