Abstract
Objective To compare the characteristics of digital subtraction angiography （ DSA） and compu-ted tomography angiography （ CTA） of moyamoya disease .Methods To analyze the characteristic of DSA and CTA in 29 cases with moyamoya disease ,including arterial occlusion ,arteriarctia,abnormal proliferation of vascular ,collat-eral circulation.Results There were no statistically significant differences between DSA and CTA in detecting arteri-al occlusion,arteriarctia（CTA 53 hemicerebrum,DSA 57 hemicerebrum）（χ2 =2.167,P〉0.05）,abnormal prolifera-tion of vascular （abnormal：CTA 41 hemicerebrum,DSA 45 hemicerebrum;normal：CTA 16 hemicerebrum,DSA 12 hemicerebrum）（χ2 =0.757,P〉0.05）.But there was statistically significant difference between DSA and CTA in detecting collateral circulation .Conclusion CTA is a good method to find out moyamoya disease .But DSA is better in discovery collateral circulation of moyamoya disease . Key words: Moyamoya disease ; Tomography X-ray computed ; Angiography ; Angiography, digital subtraction; Cerebral vascular
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