Radiology:双源CT对乳腺癌腋窝前哨淋巴结的定量评价

2019-03-26 shaosai MedSci原创

本研究旨在利用双源CT定量指标对乳腺癌患者术前前哨淋巴结(SLNs)转移诊断的诊断价值。

本研究旨在利用双源CT定量指标对乳腺癌患者术前前哨淋巴结(SLNs)转移诊断诊断价值。

利用增强对比CT双期扫描对乳腺癌患者进行检查。比较转移和非转移SLNs组清凉双源CT指标和结构指标。利用单变量和多变量Logistic回归模型分析定量指标。利用ROC曲线分析结构和定量指标的诊断价值,利用McNemar检验进行比较。

结果为,本研究共纳入了193例女性受试者。转移SLNs组定量双源CT指标包括动脉期和静脉期亨斯菲尔德单位曲线斜率(λHu)、动脉期和静脉期碘浓度、静脉期校正有效原子序数要显着高于非转移SLNs (P范围 ≤.001-.031)。单变量和多变量Logistic回归分析显示静脉期λHu 是最佳检出SLNs的指标。对每处病变和每位患者静脉期λHu 检出SLNs的准确性分别为90.5%、87.0%。静脉期λHu 的准确性和特异性要显着高于结构性指标(P < .001)。

本研究表明,双源CT对术前诊断乳腺癌腋窝前哨淋巴结转移具有辅助性手段。

原始出处:

Zhang X, Zheng C, Yang Z,et al.Axillary Sentinel Lymph Nodes in Breast Cancer: Quantitative Evaluation at Dual-Energy CT.Radiology.DOI:10.1148/radiol.2018180606

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    2019-03-28 sodoo
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    2019-03-28 huagfeg
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