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KMID : 1114620210180020094
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Journal of the Korean Society for Breast Screening
2021 Volume.18 No. 2 p.94 ~ p.101
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Sonographically Guided 14-Guage Core Needle Biopsy: Medical Audit for One Year of 2019
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Kim Su-Young
Park Young-Jean
Yoon Jung-Hyun
Kim Min-Jung
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Abstract
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Purpose: To determine the diagnostic accuracy, underestimation rate and false negative rate of sonographically guided core needle biopsy for breast lesions.
Materials and Methods: We included 1,207 breast lesions from 1,079 patients who had undergone sonographically guided 14-gauge core needle biopsies between January 2019 and December 2019. The sonographic BI-RADSⓡ category of breast lesions and the pathologic results of core needle biopsies were reviewed and correlated with that of surgery or vacuum-assisted biopsy, or >1year follow-up. The positive predictive value for each BI-RADSⓡ category, sensitivity, underestimation rate and false negative rate of core needle biopsy were evaluated.
Results: Of the 1,207 core biopsy lesions, benign pathology was found in 44.9%, high-risk results in 16.3%, and malignant results in 38.8%. The positive predictive values for each sonographic category were as follows: 2.4% in category 3; 16.7% in category 4a; 70.4% in category 4b; 89.2% in category 4c and 97.5% in category 5. The sensitivity of core needle biopsy was 95.1% (468/492). The underestimation rate was 9.6% (19/197) for high-risk and 37.3% (38/102) for ductal carcinoma in situ. The false negative rate was 0.6% (3/542).
Conclusion: Sonographically guided core needle biopsy for 2019 year in our hospital was accurate diagnostic tool for evaluating breast lesion.
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KEYWORD
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Breast, Biopsy, Ultrasound guidance, Breast cancer diagnosis
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