The Clinical Value Of Ultrasound Elastography In The BI-RADS 4 Types Of Breast Lumps

Objective: To evaluate the clinical value of ultrasound elastography in the BI-RADS 4 types of breast lumps.Methods: 129 female patients with 137 breast tumors were examined during June 2017 to January 2018.All tumors were classified as group BI-RADS4.The age ranged from 23 to 74 years old,and the averaged age were 47.1±11.5 years old.The instrument was Yum Mylab90 and the linear probe frequency was from 7.5MHz~10MHz.All breast tumors were performed by 2D and Color Doppler ultrasound and UE before surgery.All pictures were saved into the hard disc.This article uses compression elastography technology,UE referenced Luo Baoming’s improved 5 points method.CDFI referenced Adler semiquantitative method combined with RI(CDFI+RI).First,used CDFI+RI,UE,and CDFI+RI combined UE to evaluate the whole BI-RADS 4 types of breast lumps,and then used the three methods to evaluate BI-RADS 4A,4B,and 4C respectively,calculated the sensitivity,specificity,accuracy,positive predictive value and negative predictive value of the three methods,and compared the above results with each other.All the results were compared with the pathological results.Used SPSS18.0 software for analysis the data.The data were expressed by mean number plus-minus standard deviation.The data differences between groups were analyzed by Pearson chi square test.The difference was statistically significant with P < 0.05.Results:(1)Pathological results: among 137 BI-RADS 4 types of breast lumps,74 were benign and 63 were malignant.(2)Overall evaluation of BI-RADS 4 types of breast lumps:the sensitivity,specificity,accuracy,positive predictive value and negative predictive value of the CDFI+RI combined UE were 90.48%(57/63)、89.19%(66/74)、89.78%(123/137)、87.69%(57/65)、91.67%(66/72),the results were obviously higher than that of CDFI+RI and UE single check.Also,all the results of UE examination were also higher than that of CDFI+RI.The results of the three methods were statistically significant(P < 0.05).(3)The evaluation of BI-RADS 4A,4B,and 4C by a single inspection method:The sensitivity,specificity,accuracy,positive predictive value and negative predictive value of UE and CDFI+RI in 4A and 4C breast lumps were statistically significant(P < 0.05).And UE was better than the CDFI+RI.The index of UE for 4B breast lumps was higher than that of CDFI+RI,and the two methods were no statistically significant(P>0.05).(4)UE combined with CDFI+RI for the evaluation of BI-RADS 4A,4B,4C:The sensitivity,specificity,accuracy,positive predictive value and negative predictive value of combined examination for 4A,4B and 4C breast lumps were better than those of single examination methods.The difference was statistically significant in sensitivity,specificity and accuracy between the combined examination method and the two single examination methods(P value < 0.05).Conclusion: 1.The overall diagnostic effectiveness of UE in the diagnosis of BI-RADS 4 types of breast lumps was better than that of CDFI+RI.2.UE is a useful supplement to conventional ultrasound.The efficacy of UE combined with CDFI+RI in the diagnosis of benign and malignant of BI-RADS 4 types of breast lumps was significantly higher than that of the two single examination methods,and improved the diagnostic accuracy.It had a good diagnostic value.3.UE can diagnose RI-RADS 4A and 4C of breast lumps better,especially UE combined with CDFI+RI examination,which significantly improved the sensitivity,specificity and accuracy of 4A,4B,4C lumps,thereby reducing the 4A of benign breast lump unnecessary biopsy or surgery,and reducing the rate of biopsy of malignant mammary gland 4B,4C lumps before operation,has the very good guiding value for clinical.