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首页> 外文期刊>European radiology >Evaluation of sporadic intracranial cavernous malformations for detecting associated developmental venous anomalies: added diagnostic value of C-arm contrast-enhanced cone-beam CT to routine contrast-enhanced MRI
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Evaluation of sporadic intracranial cavernous malformations for detecting associated developmental venous anomalies: added diagnostic value of C-arm contrast-enhanced cone-beam CT to routine contrast-enhanced MRI

机译：评价散发性颅内脉络畸形检测相关发育静脉异常：C臂对比度增强锥梁CT对常规对比增强MRI的诊断价值

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ObjectiveOur purpose was to investigate the added diagnostic value of C-arm contrast-enhanced cone-beam CT (CE-CBCT) to routine contrast-enhanced MRI (CE-MRI) in detecting associated developmental venous anomalies (DVAs) in patients with sporadic intracranial cavernous malformations (ICMs).MethodsFifty-six patients (53 with single and three with double ICMs) met the inclusion criteria. All patients had routine CE-MRI scans performed at 1.5 Tesla. The imaging studies (CE-MRI and CE-CBCT) were retrospectively and independently reviewed by two observers, with consensus by a third. Group difference, intra- and interobserver agreement, and diagnostic performance of the modalities in detecting associated DVAs were calculated. Reference standard was CE-MRI.ResultsOn CE-MRI and CE-CBCT, 37 (66%; of 56) and 47 patients (84%; of 56) had associated DVAs, respectively. In 10 patients (52.6%; of CE-MRI negatives [n=19]), CE-CBCT improved the diagnosis. Nine patients (16%; of 56) had no DVA on both imaging techniques. Difference in proportions of associated DVAs on CE-MRI and CE-CBCT was statistically significant, p0.05. Sensitivity, specificity, positive likelihood ratio, and area under the curve of CE-CBCT were 100% (95% confidence interval [CI]: 90.5-100%), 47.3% (95% CI: 24.4-71.1%), 1.9 (95%CI: 1.240-2.911), 0.737 (95%CI: 0.602-0.845), respectively. Intraobserver agreement was excellent for CE-MRI, kappa () coefficient =0.960, and CE-CBCT, =0.931. Interobserver agreement was substantial for CE-MRI, =0.803, and excellent for CE-CBCT, =0.810.ConclusionsCE-CBCT is a useful imaging technique especially in patients with negative routine CE-MRI in terms of detecting associated DVAs. In nearly half of these particular patients, it reveals an associated DVA as a new diagnosis.Key Points center dot Although it is known to be the gold standard, some of the DVAs associated with ICMs are underdiagnosed with CE-MRI.center dot In nearly half of the patients with negative routine CE-MRI, CE-CBCT reveals an associated DVA as a new diagnosis.center dot Intra- and interobserver agreement on CE-CBCT is excellent in terms of detecting associated DVAs.
机译：目的的目的是探讨C-ARM对比度增强锥形束CT（CE-CBCT）对常规发育静脉异常（DVA）的常规颅内静脉异常（DVA）的增加的诊断价值海绵状畸形（ICMS）。含有六个患者（53名，用双ICMS，双ICMS）符合纳入标准。所有患者均有常规CE-MRI扫描在1.5特斯拉进行。成像研究（CE-MRI和CE-CBCT）回顾性和独立审查了两个观察员，共有三分之一。计算了检测相关DVAS中的模差，模拟和interobserver协议和诊断性能。参考标准是CE-MRI.Resultson CE-MRI和CE-CBCT，37（66％; 56）和47名患者（84％）分别有相关的DVA。在10名患者中（52.6％; CE-MRI否定[n = 19]），CE-CBCT改善了诊断。九名患者（16％; 56岁）在两种成像技术上没有DVA。 CE-MRI和CE-CBCT对相关DVA的比例差异有统计学意义，P <0.05。 CE-CBCT曲线下的敏感性，特异性，阳性可能性比和面积为100％（95％置信区间[CI]：90.5-100％），47.3％（95％CI：24.4-71.1％），1.9（ 95％CI：1.240-2.911），0.737（95％CI：0.602-0.845）。 CE-MRI，Kappa（）系数= 0.960和CE-CBCT，= 0.931，intraobserver协议非常出色。 Interobserver协议对于CE-MRI而言，= 0.803且适用于CE-CBCT，= 0.810.Conclusionsce-CBCT是一种有用的成像技术，尤其是在检测相关的DVA方面的负常规CE-MRI患者。在这些特定患者的近一半，它揭示了一个相关的DVA作为新诊断.Key点中心点虽然已知是金标准，但与ICM相关联的一些DVA用CE-MRI.Center DOT in Gearing患有负常规CE-MRI的一半患者，CE-CBCT揭示了一个相关的DVA作为一个新的诊断。CE-CBCT的Center Dot和Interobserver协议在检测相关的DVA方面非常出色。

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