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《Modern Medical Imageology》 2013-05
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Value of Gemstong Volume CT Digital Subtraction Angiography in the Diagnosis of Intracranial Aneurysms

Wang Lei;Department of Radiology,Mianyang Central Hospital;  
Purpose: To evaluate the clinical of gemstone VCTDSA in the diagnosis of intracranial aneurysm. Materials and Methods: 40 patients suspected with intracranial aneurysms underwent both CTA and gemstong volume CT digital subtraction angiography,all cases were performed VR、MPR and MIP post-processing techniques were used to evaluate the place、form、size、occipital node of intracranial aneurysms. Taken the DSA as the gold standard,we calculated the sensitivity,specificity of gemstone VCTDSA. Results: By the gemstone VCTDSA,53 intracranial aneurysms were detected in 40 cases,Its sensitivity,specificity for detecting aneurysms on VCTDSA were both 100%,Its misdiagnosis rate and rate of missed diagnosis were 1. 9% and 0 respectively,however the CTA technique indicated 49 lesions,its sensitivity,specificity were 100% and 90. 3% respectively,Its misdiagnosis rate and rate of missed diagnosis were 4. 0% and 5. 7% respectively. Conclusion: gemstone VCTDSA is a new technique,which is safe and causese no injury. It has highe specificity and sensitivity in the diagnosis of intracranial aneurysms,and can be usded in the routine diagnosis and post-operative follow-up modality for intracranial aneurysms.
【CateGory Index】: R743.3
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【Co-citations】
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【Secondary Citations】
Chinese Journal Full-text Database 1 Hits
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