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三阴性乳腺癌与非三阴性乳腺癌超声、MRI影像学对比分析 被引量:2

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摘要 目的:探讨并分析三阴性乳腺癌(TNBC)超声、MRI影像学特点和临床病理特征,并与非三阴性乳腺癌(NTNBC)进行比较。方法:回顾分析145例经手术病理证实的乳腺癌患者,经术后免疫组化染色,TNBC 38例,NTNBC107例,分析病灶的超声及MRI影像学表现及临床病理特征。结果:①145例乳腺癌患者中,TNBC患者38例(26.2%),TNBC组腋窝淋巴结转移率20例(52.6%),较NTNBC组高。②TNBC在B超上常表现为边界清晰(28/38,73.7%),少钙化单纯肿块(33/38,86.8%),呈明显的低回声区(30/38,78.9%),较少后方伴声影(6/38,15.8%);三阴性乳腺癌在MRI特征性征象表现为形状不规则(19/38,50%)、T2WI序列呈明显高信号(17/38,44.7%),环状强化(25/38,65.8%)、时间信号曲线呈持续上升型强化曲线(25/38,65.8%)。③浸润性导管癌(34/38,89.5%)是三阴性乳腺癌最常见的病理类型。结论:超声及MRI影像表现及病理特征有助于诊断TNBC。
出处 《新疆医学》 2012年第8期75-79,共5页 Xinjiang Medical Journal
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二级参考文献4

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