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低场强MRI对触诊肿块的乳腺癌检查和诊断的应用探讨

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摘要 目的探讨低场强MRI对触诊肿块的乳腺癌检查及其表现,评价其临床应用价值。方法回顾分析31例31个乳腺癌病灶的MRI资料。结果平扫:病灶信号在T1WI上均呈略低或等信号;T2WI上90.3%的病灶呈较高、高混杂信号,9.7%表现为均匀较高信号;STIR上均为不均匀高信号。病灶形态不规则占83.7%,类圆形占16.2%。边缘不光整占64.5%,边缘毛刺占2 5.8%。平扫诊断符合率为8 1.3%。增强检查:呈快进快出中重度强化形式占5 3.3%;早期明显强化,中后期维持平台水平占46.7%;不均匀强化占86.7%。增强检查诊断符合率为93.3%。结论低场强MRI能较好显示乳腺癌本身及其对邻近组织的侵犯,平扫结合动态增强检查有助于提高诊断的准确率。
出处 《右江医学》 2010年第5期557-560,共4页 Chinese Youjiang Medical Journal
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