Scoring system for predicting malignancy in patients diagnosed with atypical ductal hyperplasia at ultrasound-guided core needle biopsy

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Ko, Eunyoung; Han, Wonshik; Lee, Jong Won; Cho, Jihyoung; Kim, Eun-Kyu; Jung, So-Youn; Kang, Mee Joo; Moon, Woo Kyung; Park, In Ae; Kim, Sung-Won; Kim, Ku Sang; Lee, Eun Sook; Min, Kyu Hong; Noh, Dong-Young
Issue Date
Springer Verlag
Breast Cancer Res Treat 112(1):189-195
ADH underestimationAtypical ductal hyperplasiaCore needle biopsyScoring systemUltrasound-guidance
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BACKGROUND: The aim of this study was to determine factors that predict under-evaluation of malignancy in patients diagnosed with atypical ductal hyperplasia (ADH) at ultrasound-guided core needle biopsy (CNB), and to develop a prediction algorithm for scoring the possibility of a diagnosis upgrade to malignancy based on clinical, radiological and pathological factors. METHODS: The study enrolled patients diagnosed with ADH at ultrasound-guided CNB who subsequently underwent surgical excision of the lesion. Multivariate analysis was used to identify relevant clinical, radiological and pathological factors that may predict malignancy. RESULTS: A total of 102 patients with ADH at CNB were identified. Of the 74 patients who underwent subsequent surgical excision, 34 (45.8%) were diagnosed with invasive or in situ malignant foci. Multivariate analysis revealed that age>50 years, microcalcification on mammography, size on imaging>15 mm and a palpable lesion were independent predictors of malignancy. Focal ADH was a negative predictor. A scoring system was developed based on logistic regression models and beta coefficients for each variable. The area under the ROC curve was 0.903 (95% CI: 0.82-0.94), and the negative predictive value was 100% for a score<or=3.5. Similar findings were observed for a validation dataset of 54 patients at other institutions. CONCLUSIONS: A scoring system to predict malignancy in patients diagnosed with ADH at CNB was developed based on five factors: age, palpable lesion, microcalcification on mammography, size on imaging and focal ADH. This system was able to identify a subset of patients with lesions likely to be benign, indicating that imaging follow-up rather than surgical excision may be appropriate.
0167-6806 (print)
1573-7217 (online)
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College of Medicine/School of Medicine (의과대학/대학원)Pathology (병리학전공)Journal Papers (저널논문_병리학전공)
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