Journal
CLINICAL HEMORHEOLOGY AND MICROCIRCULATION
Volume 74, Issue 4, Pages 391-403Publisher
IOS PRESS
DOI: 10.3233/CH-190693
Keywords
Breast cancer; superb microvascular imaging; strain elastography; ultrasonography
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Funding
- Natural Science Foundation of Guangdong Province [2017A030313727]
- Science and Technology Planning Project of Guangzhou [201803010035]
- National Natural Science Foundation of China [81873899]
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OBJECTIVE: To evaluate the combined use of strain elastography (SE) and superb microvascular imaging (SMI) with grayscale ultrasound (US) according to the Breast Imaging Reporting and Data System (BI-RADS) classification for differentiating benign from malignant breast masses. METHODS: In total, 166 patients with 177 breast masses categorized as BI-RADS 3-5 were included in the study between April 2016 to September 2017. US, SMI and SE were performed to evaluate each mass. The following outcome measures were compared between US and the combinations of US, SMI, and SE: area under the receiver operating characteristic curve (AUC), sensitivity, specificity. RESULTS: The addition of SMI and SE to US increased the AUC from 0.816 to 0.948 (P <.001); and the specificity from 43.7% to 80.8% (P <.001), without a significant decrease in the sensitivity. Meanwhile, 66.1% (37 of 56) of the benign masses that were indicated for unnecessary biopsy were correctly changed to follow-up. CONCLUSIONS: The addition SMI and SE to US could improve the diagnostic performance in differentiating benign from malignant breast masses compared to US alone. When US was combined with SMI and SE, the specificity were increased, thus significantly reducing unnecessary biopsies.
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