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Mean glandular dose (MGD)

Radiation dose in mammography is low, but the breast is a relatively radio-sensitive organ and when millions of healthy women are being screened annually, it is important to ensure that the dose remains as low as reasonably possible while preserving diagnostic/screening image quality.  

Mammography system manufacturers provide an MGD estimate for each image. However, several different algorithms exist for estimating MGD, and different ones have been chosen by each manufacturer.  

One of the key inputs to those algorithms is breast density and most use age and compressed breast thickness to infer breast density 

Volpara TruRadDose® achieves patient-based result using the globally accepted and validated Dance model of dose estimation, and the volumetric breast density results for each digital breast tomosynthesis or 2D mammogram image. 

Without Volpara identifying this dose alert, we would have never known this was an issue. This shows the added benefit that Volpara brings to the table.

– Jonica Green, Director of Regulatory & Compliance at Onsite Women's Health

Products featuring TruRadDose®

Volpara Scorecard


View patient risk insights essential for early detection.

Volpara Analytics


Monitor your team’s performance with automated image quality metrics.


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Patient-Based Radiation Dose Estimation in Breast Cancer Screening