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目的探讨超声弹性成像对乳腺导管原位癌的诊断价值。方法分析121例乳腺导管原位癌(DCIS)、64例导管内乳头状瘤(IP)、29例乳腺普通型导管增生(UDH)及非典型性导管增生(ADH)、120例乳腺纤维腺瘤(FA)、156例浸润性导管癌(IDC)的声图像特征,结合BI-RADS分级及弹性指南将图像分5级,其中4级分为4a、4b、4c。4b及4b以上定义为硬度偏硬,以下为硬度偏软,并比较组间弹性应变率比。结果按硬度分级,DCIS与IDC、DCIS与IP、DCIS与UDH及ADH、DCIS与FA、IDC与IP、IDC与UDH及ADH、IDC与FA具有明显统计学意义(P<0.01);DCIS与IDC、IDC与IP、IDC与FA组间弹性应变率比具有明显统计学意义(P<0.01)。结论弹性成像技术检查能够有效提高乳腺导管原位癌的诊断准确度。
Objective To investigate the diagnostic value of ultrasound elastography in ductal carcinoma in situ in breast. Methods Totally 121 cases of ductal carcinoma in situ (DCIS), 64 cases of intraductal papilloma (IP), 29 cases of common ductal hyperplasia (UDH) and atypical ductal hyperplasia (ADH), 120 cases of breast fibroadenoma (FA) and 156 cases of invasive ductal carcinoma (IDC). The images were divided into 5 grades according to BI-RADS grading and elasticity guidelines, of which 4 grades were classified as 4a, 4b and 4c. 4b and 4b above are defined as hardness hard, soft hardness below, and compare the elastic strain rate ratio. DCIS and IDC, DCIS and IP, DCIS and UDH and ADH, DCIS and FA, IDC and IP, IDC and UDH and ADH, IDC and FA were statistically significant (P <0.01) , And the elastic strain rate ratio between IDC and IP, IDC and FA groups was statistically significant (P <0.01). Conclusion Elastography can effectively improve the diagnostic accuracy of ductal carcinoma in situ.