The Value of MRI Combined with BI-RADS Classification in the Differential Diagnosis of Breast Cancer
Objective To explore the application value of magnetic resonance imaging(MRI)combined with breast imaging reporting and data system(BI-RADS)classification in the differential diagnosis of breast cancer.Methods A retrospective study was conducted on 94 patients with breast nodules admitted to our hospital from September 2020 to January 2023.All patients underwent MRI and BI-RADS examinations,and the general information and different imaging features of benign and malignant nodules were analyzed.The efficacy of MRI and BI-RADS in distinguishing benign and malignant breast nodules was analyzed using the receiver operating(ROC)curve.Results Pathological tissue biopsy was performed on 94 patients,and it was found that 37 patients had malignant breast tumors,while the remaining 57 patients had benign breast tumors.Based on this result,the patients were divided into a benign group and a malignant group.The maximum tumor diameter of the malignant group was larger than that of the benign group(P＜0.05).Through BI-RADS classification,it was found that the proportion of patients classified as 4b,4c,and 5 categories by BI-RADS in the malignant group was 32.43％,37.84％,and 16.22％,respectively,which were higher than those in the benign group(P＜0.05).The ADC value of patients in the malignant group was lower than that in the benign group.There were 29 patients(78.38％)with irregular tumor morphology and 33 patients(89.19％)with blurred boundaries,all of which were higher than those in the benign group(P＜0.05).The accuracy of MRI diagnosis for BI-RADS classification was 89.36％(84/94),and the accuracy of BI-RADS classification diagnosis was 87.23％(82/94).Through ROC curve analysis,it was found that the AUC for MRI examination and BI-RADS classification diagnosis of breast tumors were 0.893 and 0.871,respectively,and the AUC for combined diagnosis was 0.929.The sensitivity and specificity were 94.6％and 91.2％,respectively.Conclusion MRI examination and BI-RADS classification have high sensitivity and specificity in differentiating benign and malignant breast tumors.The combination of the two can improve the diagnostic efficacy of breast cancer and provide theoretical basis for clinical diagnosis and differentiation.
Magnetic Resonance ImagingBreast imaging Reporting and Data SystemBreast NodulesDiagnostic ValuePathological Examination
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