Abstract
Objective To evaluate diagnostic value of the combined examination of ultrasound, contrast-enhanced CT and physical examination in axillary lymph node status in breast cancer. Methods 316 cases of breast cancer were studied from Jan. 2012 to Dec. 2013. The axillary lymph nodes were divided into negative group, suspicious negative group, suspicious positive group and positive group by physical examination, axillary ultrasound, and contrast-enhanced breast CT imaging. ROC curve was used to evaluate diagnostic value and the sensitivity, specificity, and accuracy were analyzed. Results The evaluation model presented the AUC of 0.859. The accuracy, sensitivity, specificity, positive and negative predictive value was 91.3%, 93.8%, 92.5%, 94.0% and 90.9% in negative group and positive group. Conclusion This evaluation method can accurately predict the axillary lymph node status and may be instructive to clinical operation mode selection. Key words: Breast Cancer; Axillary lymph node; Enhanced CT; Ultrasound
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