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Role of quantitative parameters of dynamic contrast-enhanced MRI at 3. 0 Tesla in differential diagnosis of hepatic masses
Author(s): 
Pages: 139-141,146
Year: Issue:  4
Journal: Acta Academiae Medicinae Shandong

Keyword:  Hepatic massDynamic contrast-enhanced magnetic resonance imagingDifferential diagnosis;
Abstract: 目的探讨3.0T磁共振对比剂动态增强扫描量化参数在肝脏实性占位性病变鉴别诊断中的价值。方法利用3.0T磁共振对113个肝脏占位性病变进行对比剂动态增强扫描,分别测量各个病灶的动态增强曲线类型、最大上升斜率(MSI)、信号增强率(SER)、正性增强积分(PEI)、最大下降斜率(MSD)和峰值(PV),分析以上各参数在不同病变之间的差异。结果肝细胞癌(HCC)与除局灶性结节增生(FNH)外的各病,肝转移瘤与海绵状血管瘤、FNH及肝脓肿,FNH与海绵状血管瘤及肝脓肿之间强化曲线类型具有统计学差异(P<0.05)。海绵状血管瘤与其余各病,HCC与除FNH外的各病,FNH与肝转移瘤、肝内胆管细胞癌及肝脓肿,肝转移瘤与肝脓肿之间的MSI、PEI、MSD及PV存在统计学差异(P<0.05)。6种病变之间的SER未见统计学差异(P>0.05)。结论肝脏实性占位性病变的动态增强曲线类型和量化参数存在不同程度的差异,将两者结合有助于其鉴别诊断。
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