Abstract
Multiparameter optimizations have been carried out to study the effects of technological advances on the patient doses required to maintain a given image quality in mammography. The assumed advances include; improvement in the power loading limits of the tube focal spot, increased absorption efficiency for a given detector resolution, detector system gain increases and changes in the exposure time limitations that result from patient motion. The optimization permits system geometry, kVp of the examination, filtration, detector resolution, focal spot size and grid characteristics to vary simultaneously and self-consistently subject to image quality as well as technological constraints. In this study the technological constraints are systematically varied so that the effect of technological innovations can be measured by the resulting dose reductions relative to a baseline optimized system.
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