Non-contrast computed tomography (ncCT) is the first-line imaging modality for acute ischaemic stroke diagnosis. Recognition of the early diagnostic signs of a stroke on computed tomography (CT) is crucial. The hyperdense middle cerebral artery (MCA) sign is one of these findings. We investigated the diagnostic utility of absolute MCA density (MCAD) in patients with acute MCA stroke confirmed with diffusion-weighted magnetic resonance imaging (dwMRI).

中文翻译：

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急诊科诊断急性缺血性脑卒中的大脑中动脉密度及比值

非对比计算机断层扫描 (ncCT) 是急性缺血性卒中诊断的一线成像方式。在计算机断层扫描 (CT) 上识别中风的早期诊断迹象至关重要。高密度大脑中动脉 (MCA) 征是这些发现之一。我们研究了绝对 MCA 密度 (MCAD) 在经弥散加权磁共振成像 (dwMRI) 确诊的急性 MCA 卒中患者中的诊断效用。