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Applications of whole brain perfusion and 4-dimensional digital subtraction angiography utilized by lower-dose 320-Row dynamic volumetric CT (320-DVCT)

机译:小剂量320排动态容积CT(320-DVCT)在全脑灌注和4维数字减影血管造影中的应用

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Multi-detector CT (MDCT) is increasingly utilized for the investigation of neurovascular disease in recent year, but limited in z-axis coverage (3.2cm for 64-MDCT) with about 9′12 mSv for small area of the brain close to Circle of Willis. Our aim of the study is to evaluate 4-dimensional (4D) cerebral vessels and whole brain perfusion with 5′7 mSv lower-dose protocol (5.8 mean dose) using 320-row dynamic volumetric CT (320-DVCT) for increasing the diagnostic accuracy and reducing more radiation risk.
机译:近年来,多检测器CT(MDCT)越来越多地用于神经血管疾病的研究,但z轴覆盖范围有限(64-MDCT为3.2cm),对于靠近Circle的小面积大脑约9'12 mSv威利斯。我们的研究目的是使用320行动态容积CT(320-DVCT)评估5'7 mSv低剂量方案(5.8平均剂量)的4维(4D)脑血管和全脑灌注,以提高诊断水平准确性并降低更多的辐射风险。

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