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《Academic Journal of Second Military Medical University》 2007-06
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Clinical application of 64-slice spiral CT pulmonary angiography in diagnosis of pulmonary embolism

GONG Jing TIAN Jian-ming XIAO Yi~* WANG Min-jie GUAN Jian-zhong LI Xiao-ming TIAN Jing-li (Department of Radiology,Changhai Hospital,Second Military Medical University,Shanghai 200433,China)  
Objective:To evaluate the clinical application of 64-slice spiral computer tomography pulmonary angiography (CTPA)in diagnosis of pulmonary embolism(PE).Methods:Sixty-two patients suspected of PE were examined by 64-slice spiral CTPA.The image findings combined with their clinical data were retrospectively analyzed.Results:Twenty-four of the 62 patients were confirmed to have PE by clinical data,laboratory examination and follow-up examination.64-slice spiral CTPA discovered 152 involved branches in the 24 PE patients,including 4 branches in left and right pulmonary trunk,52 in lobar pulmonary arteries,82 in segmental pulmonary arteries,and 14 in subsegmental arteries.Four types of PE were detected in our group,including eccentric filling defect in 58 branches,central filling defect in 49 branches,total occlusion of the pulmonary arteries in 21 branches,and mural embolism of host artery in 24 branches.The diagnosis accuracy of 64-slice spiral CTPA in the present group of patients was 100%,with no missed diagnosis and misdiagnosis.Besides,64-slice spiral CTPA could reflect the location,morphology,involvement and degrees of PE.Conclusion:64-slice spiral CTPA is a rapid,accurate and non-invasive diagnostic approach for PE.It is the first choice in clinical screening of PE and may serve as a gold standard for diagnosis of pulmonary embolism.
【Fund】: 上海市卫生局科研基金(054098).~~
【CateGory Index】: R816.4
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