Abstract
Objective
To evaluate and compare the mammographic and ultrasonographic features of TNBC with non-TNBC.
Methods
A retrospective review of 193 invasive breast cancer patients (TNBC = 32 and non-TNBC = 161) was collected from January 2014 to June 2019. The imaging features were reviewed according to the 5th edition of the American College of Radiology Breast Imaging Reporting and Data System lexicon. We used the student t-test, Mann–Whitney U test, and Fisher’s exact test for statistical analyses.
Results
Mass without calcifications was the most mammographic feature of TNBC (22 of 32, 68.8%) and more commonly found in TNBC than in non-TNBC (p = 0.007). The irregular shape (19 of 28, 67.9%) and indistinct margin (10 of 28, 35.7%) were the most common findings in the TNBC group. However, TNBC lesions appeared as round or oval shape and microlobulated margin more frequently than non–TNBC lesions (p < 0.001). Additionally, the tumor size and histological grade of TNBC were significantly higher than non-TNBC (p < 0.001).
Conclusion
TNBC has distinct imaging features compared to non-TNBC. The imaging features on mammography combined with ultrasonography can be used to detect and differentiate this subtype from other breast cancers.
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Availability of data and material
The data that support the findings of this study are available from Thammasat University Hospital but restrictions apply to the availability of these data, which were used under license for the current study, and so are not publicly available. Data are however available from the authors upon reasonable request and with permission of the Faculty of Medicine, Thammasat University and the Thammasat University Hospital.
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LW made contributions in literatures search, study design, data interpretation, draft writing, critical revision and final approval of the final version for submitted. PN made contributions in literatures search, data collection, data analysis and interpretation and KA made contributions in draft writing, critical revision and also faculty collaborations.
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The study was approved by the human ethics committee of Thammasat University (MTU-EC-RA-0-245/62) and waived the requirement for inform consent due to the retrospective nature of the study.
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Lohitvisate, W., Pummee, N. & Kwankua, A. Mammographic and ultrasonographic features of triple-negative breast cancer compared with non-triple-negative breast cancer. J Ultrasound 26, 193–200 (2023). https://doi.org/10.1007/s40477-022-00709-9
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DOI: https://doi.org/10.1007/s40477-022-00709-9