Additional diagnostic value of shear-wave elastography and color Doppler US for evaluation of breast non-mass lesions detected at B-mode US

European Radiology
Ji Soo ChoiGa Ram Kim

Abstract

To evaluate the diagnostic value of shear-wave elastography (SWE) and colour Doppler ultrasound (US) for evaluation of breast non-mass lesions (NMLs) detected by B-mode US. This retrospective study enrolled 116 NMLs (42 benign, 74 malignant). For each lesion, B-mode US, SWE and colour Doppler US were performed. Mean elasticity (E mean), maximum elasticity (E max) and vascularity were assessed by SWE and Doppler US. Diagnostic performances of B-mode US, SWE and Doppler US were calculated to differentiate benign and malignant NMLs. In benign NMLs, average E mean and E max were lower, and low vascularity (no flow or only one vessel flow) was more frequent (P < 0.001). When BI-RADS category 4a NMLs were downgraded to category 3 with 'E mean of 85.1 kPa or less' and/or 'low vascularity', specificities increased (69.0-90.5 %; P < 0.001), without significant loss in sensitivities (97.3-100 %). When these 4a NMLs were downgraded by the combination of SWE and Doppler US, all downgraded NMLs (59.3 %, 19/32) were confirmed as benign. Addition of SWE and colour Doppler US to B-mode US improved diagnostic performances in differentiating benign and malignant NMLs. This study suggests that the combination of SWE and colour Doppler may help pa...Continue Reading

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Citations

Mar 23, 2017·Ultrasonography·Min Jung Kim
Mar 4, 2020·Radiographics : a Review Publication of the Radiological Society of North America, Inc·Jihee ChoeCatherine S Giess
Jul 22, 2020·Korean Journal of Radiology : Official Journal of the Korean Radiological Society·Eun Ji Lee, Yun Woo Chang
Jan 15, 2019·Clinical Hemorheology and Microcirculation·Yi-Cheng ZhuLing-Ling Feng
May 10, 2017·Clinical Hemorheology and Microcirculation·Li-Hua XiangRong Wu
Apr 24, 2020·Korean Journal of Radiology : Official Journal of the Korean Radiological Society·Guoxue TangXi Lin
Mar 13, 2021·European Journal of Radiology·Huiling XiangRuey-Feng Chang

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