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生物通
9 天
5-T 磁共振成像:脑血管周围间隙可视化研究的新突破
后来,3-T MRI 的出现让情况有所改善,它能更好地显示正常和扩张的 PVS,7-T MRI 更是凭借高信噪比(Signal-to-Noise Ratio,SNR)和高空间分辨率,能检测到小于 1mm 的 PVS。但即使如此,7-T MRI 想要捕捉大脑皮层中的 PVS 还是力不从心,因为大脑皮层中的 PVS 不仅小 ...
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