Diagnosis of Pulmonary Embolism by Multidector Spiral CT Pulmonary Angiographgy
- VernacularTitle:肺栓塞的多排螺旋CT肺动脉造影诊断
- Author:
Zuhua CHEN
;
Risheng YU
;
Dejun ZHANG
- Publication Type:Journal Article
- Keywords:
lung;
pulmonary embolism;
pulmonary angiography;
tomoraphy,X-ray computed
- From:
Journal of Practical Radiology
2001;0(07):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To study the application of multidector spiral CT(MSCT) in the diagnosis of pulmonary embolism(PE).Methods The clinical and MSCTPA data of 15 cases with suspected PE were analyzed retrospectively.Results Of 15 cases,14 cases(93.3%)were diagnosed as PE.849 branches(82%) of pulmonary arteries were showed in 1035 branches.PE was detected in 130 branches(15.3%) of 849 branches of pulmonary arteries.438 branches(73%) were showed in 600 branches of subsegmental pulmonary arteries,PE was showed in 43 branches(9.8%)of 438 branches.Direct signs of PE included central filling defect in 3 cases;eccentric filling defect(n=9);embolism attached to the wall of host artery(n=2) and total occlusion of the pulmonary arteries(n=3).Indirect signs includedmosaic sign in 1 case;subpleural infarction(n=3);pulmonary hypertension(n=5);Westermark sign(n=8) and pleural effusion(n=6).Conclusion MSCTPA is a fast,effective,security and non-invasive diagnostic method for PE,it may replace the pulmonaryangiography and will be the first choice for diagnosis of PE.
