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MR动态增强扫描对乳腺良恶性病变的诊断价值 被引量:8

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摘要 目的评价MR动态增强扫描在乳腺良恶性病变的诊断价值。方法回顾性分析103个经病理证实的乳腺占位病变的MR动态增强扫描表现,评价动态增强扫描MR在乳腺占位病变的敏感性、特异性和准确性。结果良性病变共41个(纤维腺瘤26例,乳腺囊性增生2例,乳腺囊肿13例),恶性病变共62个(导管原位癌6例,侵袭性导管癌37例,侵袭性小叶癌19例)。恶性病变多表现为锯齿状边缘强化、星芒状强化及环状强化。纤维腺瘤表现为边缘光滑整齐的均匀强化,16例显示内部无强化的分隔。动态增强MR对恶性乳腺病变诊断的敏感性为90.3%,特异性为87.8%,准确性为89.3%。结论乳腺动态增强扫描MR具有高敏感性和准确性,在良恶病变鉴别中具有重要作用。
出处 《南方医科大学学报》 CAS CSCD 北大核心 2010年第6期1460-1462,共3页 Journal of Southern Medical University
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