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MRI动态增强扫描在乳腺良恶性肿瘤中的应用 被引量：12

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摘要 目的:评价MRI动态增强扫描对乳腺良恶性肿瘤的应用价值。方法:对34例手术证实的乳腺肿瘤患者行MRI平扫和动态增强扫描,观察病变的形态和动态增强表现,绘制它们的时间-信号强度曲线,以及分析早期强化率和强化峰值指标。结果:34例患者,良性肿瘤15例,恶性肿瘤19例。良性肿瘤多边缘光整,与周围组织分界清晰,动态增强曲线中流入型10例,平台型4例,流出型1例。恶性肿瘤多边缘不光整或伴有毛刺,与周围组织分界不清,动态增强曲线中流入型1例,平台型6例,流出型12例。动态增强曲线诊断乳腺癌的敏感性、特异性、准确性分别为94.7%(18/19)、66.7%(10/15)、82.4%(28/34)。结论:动态增强扫描模式结合病灶形态学改变,有助于提高对乳腺良恶性肿瘤的诊断准确性。
作者 余小忠 方金洲 李岳兴
机构地区 浙江衢化医院放射科
出处 《实用医学杂志》 CAS 北大核心 2011年第9期1640-1642,共3页 The Journal of Practical Medicine
关键词 乳腺肿瘤 动态增强 磁共振成像
分类号 R445.2 [医药卫生—影像医学与核医学] R737.9 [医药卫生—肿瘤]
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参考文献6

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二级参考文献14

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共引文献102

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二级引证文献113

实用医学杂志
2011年 第9期

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