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KMID : 1114620160130020113
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Journal of the Korean Society for Breast Screening
2016 Volume.13 No. 2 p.113 ~ p.119
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Positive Predictive Value of Breast Ultrasonography BI-RADS Category 4 and 5 Lesions in One Institution
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Cho Eun
Park Young-Jean
Moon Hee-Jung
Yoon Jung-Hyun
Kim Min-Jung
Kim Eun-Kyung
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Abstract
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Purpose: To retrospectively analyze the positive predictive values (PPVs) of the breast lesions classified as categories 4 and 5 by using Breast Imaging reporting and Date System (BI-RADS) ultrasonography (US).
Materials and Methods: Between January 2014 and December 2014, the 1639 breast lesions of 1573 patients were reported BI-RADS US category 4 and 5. We reviewed the frequency, pathologic or clinical course. The positive predictive value (PPV)s for category 4a, 4b, 4c and 5 were evaluated.
Results: Among the 1639 lesions, the 1092 lesions were pathologically confirmed as benign lesions and the 502 lesions were pathologically confirmed as malignant lesions. The 45 lesions were not finally pathologically confirmed. The PPV for category 4 was 18.9% and the PPVs for subcategory 4a, 4b and 4c 5 were 8.9%, 47.9% and 82.0%. And the PPV for category 5 was 98.8%.
Conclusion: In our hospital, the PPVs for BI-RADS US category 4a, 4b, 4c and 5 were presented to show the reference range of BI-RADS US, so it was appropriately subcategorized.
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KEYWORD
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Breast Imaging Reporting and Data System (BI-RADS), Breast, Ultrasonography, Image-guided
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