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全下肢磁共振血管造影

汪群,徐文坚,鞠志国

JOURNAL OF PRACTICAL MEDICAL TECHNIQUES（2003）

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Abstract
随着磁共振血管造影的发展,显示血管图像的非创性检查方法已越来越多,如2D、3DTOF法PC法,目前头颈部磁共振血管成像大多采用时间飞跃法(TOF),虽然能够解决许多问题,但仍然存在着诸多缺点,如采集时间、预饱和静脉血流信号困难、伪影和假象等,其空间分辨率及图像信噪比也不尽人意.
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