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《Chinese Journal of Medical Imaging Technology》 2007-04
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Comparative study of ultrasonic elastography and conventional ultrasonography in differential diagnosis of breast lesions

SHEN Jian-hong1, LUO Bao-ming2, OU Bing2, YANG Hai-yun2(1.Department of Imaging, Second Affiliated Hospital, Guangzhou University of TCM, Guangzhou 510120, China;2.Department of Ultrasound, Second Affiliated Hospital, Sun Yat-sen University, Guangzhou 510120, China)  
Objective To compare the value of conventional ultrasonography (US, including gray-scale ultrasonography, color Doppler flow imaging and Doppler spectrum) and ultrasonic elastography (UE) in differentiating the benign and malignant breast lesions. Methods The static sonograms of US and UE of the 475 breast lesions which pathologically proved were reviewed. Receiver operating characteristic (ROC) curves were used to assess the diagnostic value of UE and US. Results The areas under the ROC curve (Az) of the two modalities were 0.959(UE) and 0.899(US), respectively. The difference between them was significant. Conclusion UE surpassed US in regard of the comprehensive diagnostic value for differentiating benign and malignant breast lesions.
【CateGory Index】: R445.1
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