Evaluation of photon-counting spectral breast tomosynthesis

Nils Dahlman; Erik Fredenberg; Magnus Åslund; Mats Lundqvist; Felix Diekmann; Mats Danielsson

doi:10.1117/12.876874

16 March 2011 Evaluation of photon-counting spectral breast tomosynthesis

Nils Dahlman, Erik Fredenberg, Magnus Åslund, Mats Lundqvist, Felix Diekmann, Mats Danielsson

Proceedings Volume 7961, Medical Imaging 2011: Physics of Medical Imaging; 796114 (2011) https://doi.org/10.1117/12.876874
Event: SPIE Medical Imaging, 2011, Lake Buena Vista (Orlando), Florida, United States

Abstract

We have designed a mammography system that for the first time combines photon-counting spectral imaging with tomosynthesis. The present study is a comprehensive physical evaluation of the system; tomosynthesis, spectral imaging, and the combination of both are compared using an ideal-observer model that takes anatomical noise into account. Predictions of signal and noise transfer through the system are verified by contrast measurements on a tissue phantom and 3D measurements of MTF and NPS. Clinical images acquired with the system are discussed in view of the model predictions.

Citation Download Citation

Nils Dahlman, Erik Fredenberg, Magnus Åslund, Mats Lundqvist, Felix Diekmann, and Mats Danielsson "Evaluation of photon-counting spectral breast tomosynthesis", Proc. SPIE 7961, Medical Imaging 2011: Physics of Medical Imaging, 796114 (16 March 2011); https://doi.org/10.1117/12.876874

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