Abstract
The purpose of this study was to evaluate the diagnostic value of ultrasonic elastography (UE) and conventional ultrasonography (CUS) in the differential diagnosis of non-mass-like (NML) breast lesions. Static sonograms of 39 pathologically diagnosed NML breast lesions were reviewed. Lesions were evaluated by CUS and UE using CUS subjective ratings (benign, malignant or indeterminate), a 5-point subjective elasticity scoring system and the quantitative strain ratio (SR). Receiver operating characteristic curves and diagnostic tests were used to assess the diagnostic value of CUS and UE. Areas under the receiver operating characteristic curves (Az) of the CUS, 5-point elasticity and SR methods were 0.848 (p < 0.001), 0.895 (p < 0.001) and 0.943 (p < 0.001), respectively. In diagnosing NML breast lesions, there was no significant difference between the 5-point elasticity and CUS methods. The combination of UE and CUS helps to improve the accuracy of the ultrasonic diagnosis of NML breast lesions.
Published Version
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