Comparison of two full field digital mammography systems: Image quality and radiation dose

Merad, A.; Saadi, Soroush Baseri; Khelassi-Toutaoui, N.

doi:10.1063/1.5048169

Cited by 2 publications

(1 citation statement)

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“…Our institute has currently replaced FFDM with an s2D view, which is a reconstructed image from DBT acquisition, reducing the radiation dose. Previous studies from other countries support the finding of a significantly lower radiation dose in 2D images [ 21 , 22 , 23 , 24 ].…”

Section: Discussionmentioning

confidence: 53%

Comparison of Mean Glandular Dose between Full-Field Digital Mammography and Digital Breast Tomosynthesis

et al. 2021

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Early detection of breast cancer is diagnosed using mammography, the gold standard in breast screening. However, its increased use also provokes radiation-induced breast malignancy. Thus, monitoring and regulating the mean glandular dose (MGD) is essential. The purpose of this study was to determine MGD for full-field digital mammography (FFDM) and digital breast tomosynthesis (DBT) in the radiology department of a single centre. We also analysed the exposure factors as a function of breast thickness. A total of 436 patients underwent both FFDM and DBT. MGD was auto calculated by the mammographic machine for each projection. Patients’ data included compressed breast thickness (CBT), peak kilovoltage (kVp), milliampere-seconds (mAs) and MGD (mGy). Result analysis showed that there is a significant difference in MGD between the two systems, namely FFDM and DBT. However, the MGD values in our centre were comparable to other centres, as well as the European guideline (<2.5 mGy) for a standard breast. Although DBT improves the clinical outcome and quality of diagnosis, the risk of radiation-induced carcinogenesis should not be neglected. Regular quality control testing on mammography equipment must be performed for dose monitoring in women following a screening mammography in the future.

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