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快速3D T2* W GRE MRI与常规2D T2*W GRE MRI对脑内微出血的检出率的比较 被引量:33

Cerebral microbleeds: accelerated 3D T2*-weighted GRE MR imaging versus conventional 2D T2*-weighted GRE MR imaging for detections
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摘要 本研究的目的是对高分辨快速3DT2*W GRE MRI与常规2DT2*W GRE MRI对脑内微小出血灶的检出进行前瞻陛比较研究。本研究经学术审查委员会批准并取得所有病人的知情同意。200例老年病人[年龄69.7~96.7岁;108例(54%)为女性]接受了1.5TMRI检查,同时扫描了2个研究序列。分别记录2个序列观察到的微出血灶的存在与否、数量和位置,采用McNemar和符号秩和检验进行差别的比较。3DT2*W GRE MRI观察到微出血灶的病人数(35.5%)明显多于2DT2*W GRE MRI(21.0%;P〈0.001)所见。
出处 《国际医学放射学杂志》 2008年第5期396-396,共1页 International Journal of Medical Radiology
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