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目的在大鼠模型中研究旋转坐标系测得的自旋-晶格弛豫时间(T1ρ)与肝纤维化程度的相关性。材料与方法实验设计方案与操作流程经本校动物实验伦理委员会批准。结扎胆管诱导肝纤维化建立动物模型。在3T临床MR设备上进行2项研究,相隔1个月。第1项研究在胆管结扎手术
Objective To investigate the correlation between the spin-lattice relaxation time (T1ρ) and the degree of hepatic fibrosis measured in a rotating coordinate system in a rat model. Materials and Methods The experimental design and operation procedures were approved by the Animal Experimental Ethics Committee of our school. Ligation of bile duct induced hepatic fibrosis in animal models. Two studies were performed on a 3T clinical MR device, one month apart. The first study underwent biliary ligation surgery