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    • 7. 发明授权
    • Method of T.sub.1 -weighted resonance imaging of RES organs
    • RES器官T1加权共振成像方法
    • US5855868A
    • 1999-01-05
    • US625223
    • 1996-04-01
    • Anne Kjersti Fahlvik
    • Anne Kjersti Fahlvik
    • A61K49/00A61K49/18A61B5/055
    • A61K49/186A61K49/1863
    • The invention provides a method of contrast enhanced MR angiography of the human or non-human animal body, said method comprising administering into the vasculature thereof a contrast effective amount of a contrast agent composition comprising magnetic particles having a r.sub.2 /r.sub.1 ratio of no more than 5, and, at a time when sufficient of said magnetic particles remain in the vasculature to provide positive contrast enhancement thereof in a T.sub.1 -weighted image while sufficient magnetic particles have been taken up into an organ of the reticuloendothelial system to provide negative contrast enhancement thereof in said T.sub.1 -weighted image, generating a T.sub.1 -weighted image magnetic resonance image of at least said organ.
    • 本发明提供了人或非人动物体的对比度增强MR血管造影的方法,所述方法包括向其脉管系统施用对比有效量的造影剂组合物,其包含r2 / r1比不超过 并且在足够的磁性颗粒保留在脉管系统中以在T1加权图像中提供正对比度增强的时候,同时足够的磁性颗粒被吸收到网状内皮系统的器官中以提供其负对比度增强 在所述T1加权图像中,产生至少所述器官的T1加权图像磁共振图像。