Abstract： Objective To analyze the characteristics and diagnostic value of ultrasound and mammography in non-mass breast lesions.Methods From January 2017 to July 2019，83 patients who were examined by ultrasound and mammography X-ray in the Third Hospital of Nanchang were selected.After surgery or ultrasound-guided needle biopsy，they were pathologically confirmed as non-mass breast lesions.The pathological diagnosis was regarded as gold standard.The ultrasonic and mammography X-ray characteristics of non-mass breast lesions were analyzed，and the area under the ROC curve was compared to compare the diagnostic value of the two methods alone and in combination.Results Among 83 cases of non-mass lesions breast，54 cases were malignant lesions and 29 cases were benign lesions.The diagnosis of non-mass breast lesions by ultrasound was characterized by flake hypoechoic area，detour of catheter with microcalcification，structural disorder，cluster or diffused microcalcification.The features of mammography X-ray in the diagnosis of non-mass breast lesions were calcification，structural distortion，structural asymmetry and local density thickening.The areas under the ROC curve of ultrasound，mammography and their combination (serial method and parallel method) were 0.819，0.827，0.779 and 0.866，respectively.The sensitivity of parallel method in the diagnosis of non-mass breast lesions was 87.04%，which was higher than that of ultrasound (74.07%)，mammography (72.22%) and combined series method (59.26%)，the difference was statistically significant (P＜0.05).There was no significant difference in the sensitivity of ultrasound in the diagnosis of non-mass breast lesions compared with mammography X-ray(P＞0.05).Conclusion Ultrasound and mammography X-ray have their own advantages and disadvantages in the diagnosis of non-mass breast lesions.The combined detection of ultrasound and mammography in parallel can improve the sensitivity of diagnosis and is beneficial to the detection of non-mass breast lesions.
Mendelson EB，Bhm-Velez M，Berg WA，et al.ACR BI-RADS Ultrasound，ACR BI-RADS Atlas，Breast Imaging Reporting and Data System[M].Reston：American College of Radiology，2013.
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