The diagnostic value of acoustic radiation force impulse in breast lesions

ZHANG Jiesi; MA Lin; XUE Hongyuan; ZHAI Xiulan; ZHAO Rongmei; LI Li

doi:10.3969/j.issn.1671-6450.2015.11.019

Abstract：Objective To investigate the diagnostic value of acoustic radiation force impulse imaging ( ARFI) in the diagnosis of breast lesions.Methods There were 76 breast lesions underwent acoustic palpation of tissue imaging ( VTI) and acoustic touch tissues quantification ( VTQ) , scored and measured mass’ s VTI image area and the two-dimensional image area ratio ( AR) , using VTQ to measure the shear wave velocity ( SWV) of VTI images, including inner of the lesion and surround-ing tissue and off-side’ s same depth’ s normal thyroid tissue.All cases were constructed according to the pathological results of the ROC curve, the diagnostic efficacy of the technique for breast masses was evaluated, and the diagnostic values of all pa-rameters were determined.Results AR and SWV values under the ROC curve area were 0.84 and 0.83, differences between the two diagnostic efficacy showed no statistical significance ( Z =0.24, P >0.05).VTI score greater than or equal to 4 points, AR value greater than or equal to 1.52, SWV measured value higher than or equal to 3.70 m/s as the diagnosis cutoff values, the three parameters’ diagnosis accurate rate, sensitivity, specificity were 85.5%, 73.1%and 92.0%;81.6%and 65.4%, 90.0%and 84.2%, 69.2% and 92.0%, respectively.Three parameters combination’ s diagnosis accurate rate, sensitivity, specificity were 90.8%, 96.2% and 88.0%, respectively.Three parameters combination’ s diagnosis efficacy was better than that of single parameter ( P <0.05).Conclusion VTI and VTQ have certain clinical application value in the differential diagnosis of benign and malignant breast tumors.2 kinds of techniques can improve the diagnostic efficiency of breast tumor.