Abstract
Background: we aimed to determine the accuracy of preoperative axillary ultrasound (US) in predicting the presence of sentinel lymph node (SLN) metastasis in breast cancer patients. Methods and Results: out of 54 cases, visible nodes on US were identified in 35 cases of which, 15 had metastasis. In 19 cases no axillary lymph nodes were visible on US. Of these, only 3 had metastasis. Moreover, our results demonstrated that neither the maximum diameter (p=0.738 Fisher exact test) nor the ratio between the longitudinal and transverse axes (p=0.728 Fisher exact test) can predict the positivity of the SLN. Conclusion: US cannot predict the positivity of the SLN.
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