Abstract
The introduction of digital tomosynthesis to breast imaging has brought about the potential for a substantial improvement in breast cancer detection and diagnosis. However, the limited angle nature of tomosynthesis acquisitions makes this modality susceptible to image artifacts. In addition, questions on dose are especially important when the modality is or has the potential to be used for screening of asymptomatic patients. In addition, the uncertainty on how digital tomosynthesis will be used in the long term, i.e. as a replacement, adjunct, or some combination thereof of mammography, makes the dosimetric concerns more complicated. We will review the basic concepts of breast tomosynthesis, the current technology used for this modality, discuss its current dosimetric characteristics, and present the current issues and upcoming solutions in quality control of tomosynthesis systems.
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