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KMID : 1114620170140020080
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Journal of the Korean Society for Breast Screening
2017 Volume.14 No. 2 p.80 ~ p.86
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Positive Predictive Value of Breast Ultrasonography BI-RADS Category 4 and 5 Lesions in One Institution at 2015
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Byon Jung-Hee
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 2015 and December 2015, the 1857 breast lesions of 1739 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 1857 lesions, the 1229 lesions were pathologically confirmed as benign lesions and the 573 lesions were pathologically confirmed as malignant lesions. The 55 lesions were not finally pathologically confirmed. The PPV for category 4 was 20.0% and the PPVs for subcategory 4a, 4b and 4c 5 were 9.1%, 49.0% and 81.8%. And the PPV for category 5 was 97.7%.
Conclusion: The PPVs for BI-RADS US category 4a, 4b, 4c and 5 at year 2015 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 biopsy
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