Evaluation of a direct-indirect dual layer detector for contrast enhanced breast imaging: Monte Carlo simulations and physical experiments

Xiaoyu Duan; Adrian Howansky; Hailiang Huang; Wei Zhao

doi:10.1117/12.2613056

4 April 2022 Evaluation of a direct-indirect dual layer detector for contrast enhanced breast imaging: Monte Carlo simulations and physical experiments

Xiaoyu Duan, Adrian Howansky, Hailiang Huang, Wei Zhao

Author Affiliations +

Proceedings Volume 12031, Medical Imaging 2022: Physics of Medical Imaging; 120310A (2022) https://doi.org/10.1117/12.2613056
Event: SPIE Medical Imaging, 2022, San Diego, California, United States

Abstract

We proposed a direct-indirect dual layer detector combination for CEDM and CEDBT to eliminate patient motion artifacts in dual energy images. Both physical experiments and Monte Carlo simulations were conducted to compare dual shot technique with the dual layer technique. The proposed direct-indirect dual layer detector combination uses a 200 µm direct a-Se as the front detector for LE images and a 400~1000 µm indirect CsI as the back detector for HE images. Results showed similar breast tissue cancellation between dual layer and dual shot techniques. Dual layer technique with direct-indirect detector has higher SDNR/MGD compared with dual shot technique.

Conference Presentation

Citation Download Citation

Xiaoyu Duan, Adrian Howansky, Hailiang Huang, and Wei Zhao "Evaluation of a direct-indirect dual layer detector for contrast enhanced breast imaging: Monte Carlo simulations and physical experiments", Proc. SPIE 12031, Medical Imaging 2022: Physics of Medical Imaging, 120310A (4 April 2022); https://doi.org/10.1117/12.2613056

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