Abstract
Our purpose was to compare the diagnostic performances of strain elastography (SE)
and shear-wave elastography (SWE) in differentiating breast lesions by combining with
conventional ultrasound (US). A total of 198 patients with 203 breast lesions underwent
conventional US, SE and SWE examination using MyLab 90 and Aixplorer US systems. The
SE parameters were SEscore, fat-to-lesion ratio, gland-to-lesion ratio, muscle-to-lesion
ratio and SEmean, and the SWE parameters were Emax, Emean, Emin and Esd. Conventional
US had the best diagnostic performance, with an area under the curve (AUC) of 0.896.
Among all SE parameters, the AUCs of SEscore, fat-to-lesion ratio and SEmean were
0.802, 0.810 and 0.833. For SWE parameters, they were 0.845, 0.746 and 0.845, respectively,
for Emax, Emean and Esd. When combined with US, the sensitivity and AUC of SWE seemed
to be better than those of SE (96.55% vs. 93.10%, 0.958 vs. 0.947), but no statistically
significant difference existed between them.
Key Words
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Article info
Publication history
Published online: October 24, 2020
Accepted:
September 26,
2020
Received in revised form:
September 21,
2020
Received:
February 11,
2020
Identification
Copyright
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