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Radiomics of US texture features in differential diagnosis between triple-negative breast cancer and fibroadenoma

Authors
 Si Eun Lee  ;  Kyunghwa Han  ;  Jin Young Kwak  ;  Eunjung Lee  ;  Eun-Kyung Kim 
Citation
 Scientific Reports, Vol.8 : 13546, 2018 
Journal Title
 Scientific Reports 
Issue Date
2018
Abstract
Triple-negative breast cancer (TNBC) is sometimes mistaken for fibroadenoma due to its tendency to show benign morphology on breast ultrasound (US) albeit its aggressive nature. This study aims to develop a radiomics score based on US texture analysis for differential diagnosis between TNBC and fibroadenoma, and to evaluate its diagnostic performance compared with pathologic results. We retrospectively included 715 pathology-proven fibroadenomas and 186 pathology-proven TNBCs which were examined by three different US machines. We developed the radiomics score by using penalized logistic regression with a least absolute shrinkage and selection operator (LASSO) analysis from 730 extracted features consisting of 14 intensity-based features, 132 textural features and 584 wavelet-based features. The constructed radiomics score showed significant difference between fibroadenoma and TNBC for all three US machines (p < 0.001). Although the radiomics score showed dependency on the type of US machine, we developed more elaborate radiomics score for a subgroup in which US examinations were performed with iU22. This subsequent radiomics score also showed good diagnostic performance, even for BI-RADS category 3 or 4a lesions (AUC 0.782) which were presumed as probably benign or low suspicious of malignancy by radiologists. It was expected to assist radiologist's diagnosis and reduce the number of invasive biopsies, although US standardization should be overcome before clinical application.
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DOI
10.1038/s41598-018-31906-4
Appears in Collections:
1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실)
Yonsei Authors
곽진영(Kwak, Jin Young) ORCID logo https://orcid.org/0000-0002-6212-1495
김은경(Kim, Eun-Kyung) ORCID logo https://orcid.org/0000-0002-3368-5013
이시은(Lee, Si Eun) ORCID logo https://orcid.org/0000-0002-3225-5484
한경화(Han, Kyung Hwa)
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/163473
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