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Journal of Ultrasound in Medicine, Vol 15, Issue 3 241-246, Copyright © 1996 by American Institute of Ultrasound in Medicine
High resolution sonographic detection of axillary lymph node metastases in breast cancer
W. T. Yang, A. Ahuja, A. Tang, M. Suen, W. King and C. Metreweli
Department of Diagnostic Radiology and Organ Imaging, The Chinese University of Hong Kong.
Axillary lymph node status is crucial in the evaluation of prognosis and in
treatment planning of breast cancer. High-resolution real-time sonographic
scans of the breast and both axillae were performed on 114 patients with
breast carcinoma, all of whom had axillary lymph node dissection and
histologic assessment. The sensitivity of high-resolution ultrasonography
in the detection of axillary nodal metastases was 84.1%, with a specificity
of 97.1%, accuracy of 92.1%, positive predictive value of 94.9%, and
negative predictive value 90.7%. Ultrasonography of the axilla provides
good information on anatomy and pathology and may have a potential role in
the prognostic work-up of patients who are not surgical candidates.
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