Abstract:

Objective To investigate the ultrasonic elastic strain rate of axillary lymph node benign and malignant diagnosis. Methods Retrospective analysis of 89 pathologically diagnosed breast cancer patients with 118 axillary lymph node elastic strain rate. Ultrasonic elastic strain rate of reactive hyperplasia and metastatic lymph nodes were compared，and ROC curve was drawn. Results In 118 axillary lymph nodes， 54 was metastatic lymph nodes， 64 was reactive hyperplasia. Sensitivity of ultrasonic elastic strain rate of axillary lymph node in breast cancer diagnosis of benign and malignant was 90.7％， specificity was 87.5％， and accuracy was 90.6％. By ROC curve analysis to obtain the most appropriate diagnostic threshold of 2.07. Conclusion Ultrasonic elastic strain rate is a method for identifying metastatic lymph nodes with reactive hyperplasia effective way.