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Background Breast cancer is the most common malignancy in women and thus, screening has become an important health issue. Although mammography remains the standard of care for breast cancer screening and diagnosis (with biopsy), tomosynthesis (3D DBT) allows the separation of overlapping structures seen on 2D mammography and thus enables better depiction of masses or asymmetries. Results A prospective study for mammographic cases referred to our radiology unit included 60 lesions detected in 59 patients that were performed during the period from January 2016 to September 2017. Patients’ ages ranged from 26 to 72 years with mean age 51 ± 12 SD. Sixty percent of breast imaging-reporting and data system (BIRADS) 3 lesions detected by 2D digital mammography (36/60) changed their category after 3D DBT, 40% (24/60) digital mammography noticed lesions did not change their BIRADS after 3D DBT. Twenty-nine BIRADS 3 lesions out of the 60 were downgraded to BIRADS 1and 2, while 7 BIRADS 3 lesions out of the 60 were upgraded to BIRADS 4 and 5 which were all biopsied. Six out of the 7 lesions were pathologically proven ducal carcinoma and 1 out of 7 pathologically proven to be atypical ductal hyperplasia. Conclusion 3D DBT significantly reduced the need for additional mammographic views and frequent follow-up studies as it gave better characterization for all BIRADS 3 lesions.
Schematic of standard digital breast tomosynthesis (DBT) system where
Single vs. multiple architectural distortion on digital breast tomosynthesis •
Impact of breast density on diagnostic accuracy in digital breast tomosynthesis versus digital mammography: results from a European screening trial, Breast Cancer Research
PDF) Intelligent Computer-Aided Model for Efficient Diagnosis of Digital Breast Tomosynthesis 3D Imaging Using Deep Learning
Study of role of digital breast tomosynthesis over digital mammography in the assessment of BIRADS 3 breast lesions, Egyptian Journal of Radiology and Nuclear Medicine
The Evolution of Digital Breast Tomosynthesis - Advances in Breast Cancer
DBT and synthetic 2D image
Study of role of digital breast tomosynthesis over digital mammography in the assessment of BIRADS 3 breast lesions, Egyptian Journal of Radiology and Nuclear Medicine
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