Digital mammography: tradeoffs between 50- and 100-micron pixel size

Matthew T. Freedman M.D.; Dorothy E. Steller Artz; Hamid Jafroudi; Shih-Chung Benedict Lo; Rebecca A. Zuurbier M.D.; Raj Katial; Wendelin S. Hayes; Chris Yuzheng Wu; Jyh-Shyan Lin; Richard M. Steinman; Walid Gabriel Tohme; Seong Ki Mun

doi:10.1117/12.208387

8 May 1995 Digital mammography: tradeoffs between 50- and 100-micron pixel size

Matthew T. Freedman M.D., Dorothy E. Steller Artz, Hamid Jafroudi, Shih-Chung Benedict Lo, Rebecca A. Zuurbier M.D., Raj Katial, Wendelin S. Hayes, Chris Yuzheng Wu, Jyh-Shyan Lin, Richard M. Steinman, Walid Gabriel Tohme, Seong Ki Mun

Author Affiliations +

Proceedings Volume 2432, Medical Imaging 1995: Physics of Medical Imaging; (1995) https://doi.org/10.1117/12.208387
Event: Medical Imaging 1995, 1995, San Diego, CA, United States

Abstract

Improvements in mammography equipment related to a decrease in pixel size of digital mammography detectors raise questions of the possible effects of these new detectors. Mathematical modeling suggested that the benefits of moving from 100 to 50 micron detectors were slight and might not justify the cost of these new units. Experiments comparing screen film mammography, a storage phosphor 100 micron digital detector, a 50 micron digital breast spot device, 100 micron film digitization and 50 micron film digitization suggests that object conspicuity should be better for digital compared to conventional systems, but that there seemed to be minimal advantage to going from 100 to 50 microns. The 50 micron pixel system appears to provide a slight advantage in object contrast and perhaps in shape definition, but did not allow smaller objects to be detected.

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Matthew T. Freedman M.D., Dorothy E. Steller Artz, Hamid Jafroudi, Shih-Chung Benedict Lo, Rebecca A. Zuurbier M.D., Raj Katial, Wendelin S. Hayes, Chris Yuzheng Wu, Jyh-Shyan Lin, Richard M. Steinman, Walid Gabriel Tohme, and Seong Ki Mun "Digital mammography: tradeoffs between 50- and 100-micron pixel size", Proc. SPIE 2432, Medical Imaging 1995: Physics of Medical Imaging, (8 May 1995); https://doi.org/10.1117/12.208387

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