Radiology:筛查乳腺X线摄影召回率随数字乳腺断层合成应用的变化而变化吗?

2018-06-08 shaosai MedSci原创

本研究旨在比较放射学家在结合数字乳腺断层合成显像(DBT)之前与之后的筛查乳腺X线摄影率、癌症检测率 (CDR) 和阳性预测值 (PPVs)。

本研究旨在比较放射学家在结合数字乳腺断层合成显像(DBT)之前与之后的筛查乳腺X线摄影率、癌症检测率 (CDR) 和阳性预测值 (PPVs)。

本回顾性研究经机构审查委员会批准, 并符合 HIPAA。作者回顾了2009-2014年获得的乳腺钼靶检查数据, 其中 108276 个数字乳腺检查 (应用DBT之前有50062例,应用DBT后有58214例)。分别比较六名放射学家应用DBT之前 (2009-2011) 和之后 (2012-2014)的召回率、CDR、阳性筛查结果的 ppv (ppv 1)、建议活检的 ppv (ppv 2), 以及进行活检的 ppv (ppv 3) 。放射科医生均在社区工作, 其中只有数字乳腺摄影是可利用的, 并且有两个三级乳腺成像中心, 他们从2012年开始解读DBT图像。利用广义线性混合建模方法对数据进行了检验, 其中观察者在一段时间内对每个放射科进行了嵌套。P<0.05 被认为表明有统计学意义上的差异;计算95% 置信区间 (CIs)。

结果显示应用DBT前后的平均召回率分别为 6.8% (范围, 3.6%-9.7%) 和 7.9% (范围, 5.5%-9.5%) (P =0. 0316)。在 应用DBT之前, 从2009年到 2011年每年的召回率仅增加 0.01%,  (P =0. 9727)。应用DBT之后, 2012年至2014年每年的召回率增加 0.65% (P<0. 0127)。CDR 从每1000例检查中发现2.5例 (95% ci: 2.2, 2.9) 增加到每1000例检查中发现3.5例 (95% ci: 3.0, 4.0;P =0. 0203)。应用DBT后,ppv 2 和 ppv 3 显着增加,分别从 26.9% (95% CI: 19.9%, 35.3%) 到 36.1% (95% ci: 31.7%, 40.7%;P = 0212) 、从 31.2% (95% CI: 24.0%, 39.3%) 到 40.0% (95% CI: 35.5%, 44.6%;P = 0.0290)。

本研究显示放射学家应用DBT后,乳腺X线摄影的召回率、CDR、ppv 2 和ppv3增加。

原始出处:

DiPrete O, Lourenco AP, Baird GL. et al.Screening Digital Mammography Recall Rate: Does It Change with Digital Breast Tomosynthesis Experience?Radiology.DOI:10.1148/radiol.2017170517

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    2018-06-09 piaojinhua
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    2018-06-09 phoebeyan520

    希望以后更多的进展可以及时推送

    0

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    2018-06-09 三生有幸9135

    学习一下谢谢

    0

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    2018-06-08 明月清辉

    谢谢分享.学习了

    0

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    2018-06-08 1209e435m98(暂无昵称)

    学习了.谢谢分享

    0

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    2018-06-08 131****1460

    学习了受益匪浅

    0

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