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肾脏的生理性功能活动以及各种病理改变与组织器官血流变化密切相关,所以获得肾脏活体组织微循环信息一直是影像学中令人感兴趣的领域,肾脏的功能灌注成像日益受到重视。CT灌注成像是CT功能成像中重要的技术方法之一,它可以从组织细胞水平和微循环水平来揭示人体组织器官的正常
Renal physiological function and pathological changes are closely related to the changes of blood flow in tissues and organs. Therefore, obtaining information of renal microcirculation of living tissues has been an interesting area of imaging. Functional perfusion imaging of the kidney is gaining more and more attention. CT perfusion imaging is one of the most important technical methods in CT imaging. It can reveal the normal tissues and organs of the human body from the level of tissue and microcirculation