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MR动态增强与扩散加权序列在乳腺良恶性肿瘤鉴别诊断中的价值 被引量:27

Application of dynamic contrast enhanced MR imaging combined with DWI in differentiating benign and malignant breast tumors
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摘要 目的:探讨联合应用MRI动态增强与扩散加权成像(DWI)在乳腺肿瘤良恶性病变鉴别诊断中的价值。方法:回顾性分析50例经手术及病理证实的乳腺肿瘤患者的MR资料,分析病变的MR信号、时间-信号强度曲线及DWI的表观扩散系数(ADC值),并经统计学处理,比较两者的差异。结果:乳腺良恶性病变平扫的信号强度差异无统计学意义;应用时间-信号强度曲线鉴别良恶性病变的准确性、敏感性和特异性分别为74%、75%和73.1%;应用ADC值分别为76%、83%和69%;而两者联合应用分别为92%、91.7%和92.3%,明显高于前二者。结论:联合应用MRI动态增强时间-信号强度曲线与ADC值对乳腺良恶性肿瘤的诊断与鉴别诊断具有很高的临床价值。
出处 《中国临床医学影像杂志》 CAS 北大核心 2010年第7期505-509,共5页 Journal of China Clinic Medical Imaging
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参考文献12

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