Axillary Ultrasound and Fine-Needle Aspiration in the Preoperative Evaluation of the Breast Cancer Patient: An Algorithm Based on Tumor Size and Lymph Node Appearance

Axillary Ultrasound and Fine-Needle Aspiration in the Preoperative Evaluation of the Breast Cancer Patient: An Algorithm Based on Tumor Size and Lymph Node Appearance
Martha B. Mainiero, Christina M. Cinelli, Susan L. Koelliker, Theresa A. Graves, and Maureen A. Chung
AJR 2010; 195:1261-1267

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Ultrasound-guided FNA of the axillary lymph nodes is most useful in the preoperative assessment of patients with large tumors (> 2 cm) or lymph nodes that appear abnormal