Digital breast tomosynthesis (DBT) versus full field digital mammography (FFDM): comparison of a system performance using a contrast detail phantom

A. Nitrosi; G. Borasi; M. Bertolini; A. Botti; D. Tassoni; S. Strocchi

doi:10.1117/12.811026

13 March 2009 Digital breast tomosynthesis (DBT) versus full field digital mammography (FFDM): comparison of a system performance using a contrast detail phantom

A. Nitrosi, G. Borasi, M. Bertolini, A. Botti, D. Tassoni, S. Strocchi

Author Affiliations +

Proceedings Volume 7258, Medical Imaging 2009: Physics of Medical Imaging; 725831 (2009) https://doi.org/10.1117/12.811026
Event: SPIE Medical Imaging, 2009, Lake Buena Vista (Orlando Area), Florida, United States

Abstract

To evaluate performance (image signal to noise ratio) of a digital mammographic system working in 2D planar versus tomosynthesis modality, a contrast detail phantom was developed embedding 1 cm plexyglas, including 49 holes of different diameter and depth, between two layers containing a breast simulating material. The acquisition protocol included 15 low dose projections (reconstructed 1mm-thick slices) and a 2D view. Using an automatic software analysis tool, the signal difference to noise ratio (SDNR) was evaluated. SDNR in the DBT images was about a factor two higher than with FFDM (P<1E-4). A more complete visual detection experiment is underway.

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A. Nitrosi, G. Borasi, M. Bertolini, A. Botti, D. Tassoni, and S. Strocchi "Digital breast tomosynthesis (DBT) versus full field digital mammography (FFDM): comparison of a system performance using a contrast detail phantom", Proc. SPIE 7258, Medical Imaging 2009: Physics of Medical Imaging, 725831 (13 March 2009); https://doi.org/10.1117/12.811026

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