Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine

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• J Ultrasound Med · May 2016

  Axillary Staging of Early-Stage Invasive Breast Cancer by Ultrasound-Guided Fine-Needle Aspiration Cytology: Which Ultrasound Criteria for Classifying Abnormal Lymph Nodes Should Be Adopted in the Post-ACOSOG Z0011 Trial Era?

  Ultrasound (US)-guided fine-needle aspiration cytology (FNAC) is able to identify patients with extensive node involvement before surgery. In this study, we aimed to establish the optimal US criterion to identify abnormal lymph nodes on US-guided FNAC for detection of patients with 3 or more metastatic axillary nodes. ⋯ Cortical thickness of greater than 3.5 mm in the most suspicious nodes is appropriately predictive of patients with 3 or more tumor-involved axillary nodes. When this criterion for US-guided FNAC was adopted, a group of patients with 1 or 2 metastatic nodes could be spared unnecessary 1-step axillary lymph node dissection.

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