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Access through your institution Buy or subscribe Sir, We read with great interest the recent meta- analysis written by Rebolj and colleagues,1 which assessed the effect of supplementary
ultrasound to mammography in screening women with dense breast tissue on the detection of breast cancer. The authors concluded that supplementary ultrasound screening would be beneficial to
increase the sensitivity of breast cancer detection. We appreciate the authors’ thorough analysis, which is a clinically valuable study. However, we have some concerns about the strength of
their conclusion owing to some important limitations of the findings in this review. This is a preview of subscription content, access via your institution ACCESS OPTIONS Access through your
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Read our FAQs * Contact customer support REFERENCES * Rebolj, M., Assi, V., Brentnall, A., Parmar, D. & Duffy, S. W. Addition of ultrasound to mammography in the case of dense breast
tissue: systematic review and meta-analysis. _Br. J. Cancer_. https://doi.org/10.1038/s41416-018-0080-3 (2018). Article PubMed PubMed Central Google Scholar * Higgins, J. & Green, S.
(eds) _Cochrane Handbook for Systematic Reviews of Interventions_ Version 5.1.0. (The Cochrane Collaboration, 2017). http://handbook.cochrane.org. * Schmid, C. H., Stark, P. C., Berlin, J.
A., Landais, P. & Lau, J. Meta-regression detected associations between heterogeneous treatment effects and study-level, but not patient-level, factors. _J. Clin. Epidemiol._ 57, 683–697
(2004). Article Google Scholar Download references AUTHOR INFORMATION AUTHORS AND AFFILIATIONS * Department of Anesthesiology, Zigong Fourth People’s Hospital, Zigong, Sichuan, China Min
Zhu & Bin Lu * Department of Anesthesiology and Translation Neuroscience Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China Ming Li * Department of Anesthesiology,
Chengdu Second People’s Hospital, Chengdu, Sichuan, China Jia Liu Authors * Min Zhu View author publications You can also search for this author inPubMed Google Scholar * Ming Li View author
publications You can also search for this author inPubMed Google Scholar * Jia Liu View author publications You can also search for this author inPubMed Google Scholar * Bin Lu View author
publications You can also search for this author inPubMed Google Scholar CORRESPONDING AUTHOR Correspondence to Bin Lu. ETHICS DECLARATIONS COMPETING INTERESTS The authors declare no
competing interests. NOTE This work is published under the standard license to publish agreement. After 12 months the work will become freely available and the license terms will switch to a
Creative Commons Attribution 4.0 International (CC BY 4.0). RIGHTS AND PERMISSIONS Reprints and permissions ABOUT THIS ARTICLE CITE THIS ARTICLE Zhu, M., Li, M., Liu, J. _et al._ Comment on
'Addition of ultrasound to mammography in the case of dense breast tissue: systematic review and meta-analysis'. _Br J Cancer_ 119, 1443 (2018).
https://doi.org/10.1038/s41416-018-0237-0 Download citation * Received: 12 May 2018 * Revised: 17 July 2018 * Accepted: 27 July 2018 * Published: 09 November 2018 * Issue Date: 27 November
2018 * DOI: https://doi.org/10.1038/s41416-018-0237-0 SHARE THIS ARTICLE Anyone you share the following link with will be able to read this content: Get shareable link Sorry, a shareable
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