This review gives an overview of current methods in digital breast tomosynthesis (DBT) and how they have
developed from tomography applications elsewhere. Particular attention is given to patents which have impacted on
currently available technology or offer a glimpse at future developments. A number of different approaches to clinical
breast tomosynthesis systems are examined including different geometries, x-ray source assemblies, detector
configurations, reconstruction algorithms and image display and analysis methods. Current studies in the clinical efficacy
of DBT are also discussed.
Keywords: ART – Arithmetic Reconstruction Technique, breast dosimetry, breast imaging, breast screening trial, CAD –
computer aided detection, DBT – digital breast tomosynthesis, FBP – filtered back projection, FFDM - Full field digital mammography, reconstruction algorithm, tomosynthesis.
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