Diagnostic value of whole-spinal CT angiography combined with MRI in spinal vascular malformations
XU Haiwang
ZHANG Yuan
YU Weiwei
CAO An
WANG Nana
Abstract：Objective To explore the diagnostic value of whole-spinal CT angiography(CTA)combined with MRI in spinal vascular malformations.Methods A total of 86 patients with suspected spinal vascular malformations were retrospectively collected,including 47 males and 39 females,with age of 25-62 years(mean age,42.74±8.51 years).All patients underwent CTA,MRI,and digital subtraction angiography(DSA).DSA findings were used as the golden standard.The consistency between CTA,MRI,CTA combined with MRI,and DSA was analyzed using the Kappa test.The diagnostic performance of the three methods was compared using the Chi-square test.The concordance rates of CTA and MRI with DSA were analyzed.Results DSA confirmed 65 cases of spinal vascular malformations.The diagnostic consistency of CTA and MRI with DSA was moderate(Kappa=0.554,0.442),while CTA combined with MRI showed higher consistency(Kappa=0.712).The sensitivity of the three methods differed significantly(P＜0.05),with CTA combined with MRI showing higher sensitivity than either CTA or MRI alone(both P＜0.05).The concordance rates of CTA and MRI with DSA were 88.68％(47/53)and 86.27％(44/51),respectively.Conclusion CTA combined with MRI demonstrates high consistency with DSA and high sensitivity in diagnosing spinal vascular malformations,significantly improving the diagnostic performance compared with either modality alone.
Keywords：CT angiographyMagnetic resonance imagingSpinal vascular malformationCombined diagnosis
Publication Date：2025-09-15
Online Publishing Date：2025-10-13(First online date of this platform, not the publication date of the document)
Pages：5( 599-603 )