Abstract

Research Article

Analysing Average Glandular Dose: A Comprehensive Study Comparing Digital Breast Tomosynthesis with Full-Field Digital Mammography in Oman

Naema Al-Maymani*, Raya Al-Mamari, Subhash Kheruka, Amna Al-Jabri, Noura Al-Makhmari, Sana Al-Rashdi, Huoda Al-Saidi, Anas Al-Balushi and Rashid Al-Sukaiti

Published: 31 March, 2025 | Volume 9 - Issue 1 | Pages: 031-040

Background: Full-field Digital Mammography (FFDM) is essential for the early detection of breast cancer. Digital Breast Tomosynthesis (DBT) has improved cancer diagnosis and reduced false positives in mammography . This study evaluated DRLs for FFDM and DBT at various ranges of Compressed Breast Thickness (CBT).
Material and methods: We evaluated the parameters like Average Glandular Dose (AGD), kVp, mAs, Entrance Surface Dose (ESD), and CBT in a retrospective analysis of FFDM and DBT. We computed the mean, median, range, and 75th percentile for Craniocaudal (CC) and Mediolateral Oblique (MLO) views at various breast thicknesses.
Results: The DRLs were 0.70 mGy to 2.55 mGy for FFDM and 0.94 mGy to 3.67 mGy for DBT for breast thickness in the range from 20 mm to 89 mm.
Conclusion: This analysis revealed that DRLs were significantly lower than international benchmarks . Mammography radiation dose optimisation enhances diagnostic accuracy and patient safety.

Read Full Article HTML DOI: 10.29328/journal.jro.1001077 Cite this Article Read Full Article PDF

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