Document Detail

Sonographic evaluation of isolated abnormal axillary lymph nodes identified on mammograms.
MedLine Citation:
PMID:  14756355     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To evaluate the role of sonography in evaluation of abnormal axillary lymph nodes identified in patients with otherwise negative or benign findings on mammography. METHODS: For 3 years 2 months, we retrospectively reviewed 30 consecutive cases that had undergone sonographic evaluation for abnormal axillary lymph nodes identified in patients whose mammograms had an American College of Radiology Breast Imaging Reporting and Data System final assessment of 1 or 2. Mammographic and sonographic features of the lymph nodes were analyzed and correlated with the histologic diagnosis in patients undergoing biopsy. Patients who did not undergo biopsy had clinical or imaging follow-up. RESULTS: Twenty of the 30 patients studied had an abnormal sonographic appearance. Biopsy was recommended in 17 of the 20 patients on the basis of an abnormal sonographic appearance. In the remaining 3 patients, there was an underlying cause for lymphadenopathy, and these patients underwent clinical and sonographic follow-up. Eighteen patients underwent biopsy, including 1 patient with normal findings on sonography. Ten of these patients had malignant histologic findings: 6 were metastatic adenocarcinoma; 1, poorly differentiated sarcoma, and 3, lymphoma. The remaining 8 patients had benign histologic findings. The nonbiopsy group had clinical and or imaging follow-up (mean, 17.6 months; range, 6-25 months). The sensitivity (true-positive/true-positive + false-negative) of sonography for assessment of suspected abnormal lymph nodes in the patients studied was 100% (10 of 10); specificity (true-negative/true-negative + false-positive), 50% (10 of 20); positive predictive value (true-positive/true-positive + false-positive) for malignancy based on the presence of 2 or more abnormal sonographic features, 50% (10 of 20); and negative predictive value, 100%. CONCLUSIONS: Sonography is useful in further characterization of isolated abnormal axillary lymph nodes identified on mammography. Sonographic evaluation helps improve the specificity of imaging evaluation in assessment of these lymph nodes.
Mahesh K Shetty; Wendy S Carpenter
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine     Volume:  23     ISSN:  0278-4297     ISO Abbreviation:  J Ultrasound Med     Publication Date:  2004 Jan 
Date Detail:
Created Date:  2004-02-03     Completed Date:  2004-05-17     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8211547     Medline TA:  J Ultrasound Med     Country:  United States    
Other Details:
Languages:  eng     Pagination:  63-71     Citation Subset:  IM    
Department of Radiology, Baylor College of Medicine and The Woman's Hospital of Texas, Houston, Texas, USA.
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MeSH Terms
Axilla / ultrasonography
Breast Neoplasms / pathology*,  radiography,  ultrasonography
Lymphatic Metastasis / radiography,  ultrasonography*
Middle Aged
Predictive Value of Tests
Retrospective Studies
Sensitivity and Specificity

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