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Abstract #4559

Magnetic Resonance Imaging for Axillary Staging in Breast Cancer Patients Receiving Neoadjuvant Chemotherapy: Comparison with Ultrasonography and Positron Emission Tomography

Sun Mi Kim1, Chae Yeon Lyou1, Mijung Jang1

1Seoul National University Bundang Hospital, Seongnam-Si, Gyunggido, Korea, Republic of

The presence of axillary lymph node(LN) metastases in breast cancer is an important factor in assessing prognosis and determines management. Although surgical biopsy remains the gold standard for the diagnosis of axillary LN metastasis but standard for surgical biopsy in monitoring for chemotherapy response does not established yet. Comprehensive and sequential staging of axilla using noninvasive diagnostic modalities has been approached and which would represent an importance advance in the management of breast cancer patients. This presentation evaluate the accuracy of comprehensive pre- and post-neoadjuvant chemotheraphy axillary staging via MRI, ultrasound imaging and positron emission tomography.