Relative Doses in Mammography: The Future Development of Film/Screen Mammography Systems
Relative radiation doses in film/screen mammography are discussed below from three points of view. First, system speed is discussed in terms of its interdependence on the various parameters of diagnostic image quality. It is pointed out that the image quality necessary for accurate diagnosis is the ultimate limitation on reduction in radiation dose. Next, radiation doses in film/screen mammography are quantified in a historical context and in a way that is consistent with the latest recommendations for measuring mean glandular dose. Finally, it is speculated what the ultimate low radiation dose might be for future film/screen systems without compromising the excellent diagnostic image quality we have become accustomed to over the last few years.
KeywordsDiagnostic Image Quality System Speed Mammography System Contrast Transfer Function Minimize Radiation Dose
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