Concept to extend anthropomorphic breast phantoms for 2D digital mammography with movable lesions at variable reproducible positions

Ulf Mäder; Martin Fiebich; Karin Bock; Stephan Schopphoven

doi:10.1117/12.2560619

22 May 2020 Concept to extend anthropomorphic breast phantoms for 2D digital mammography with movable lesions at variable reproducible positions

Ulf Mäder, Martin Fiebich, Karin Bock, Stephan Schopphoven

Author Affiliations +

Proceedings Volume 11513, 15th International Workshop on Breast Imaging (IWBI2020); 115131L (2020) https://doi.org/10.1117/12.2560619
Event: Fifteenth International Workshop on Breast Imaging, 2020, Leuven, Belgium

Abstract

Anthropomorphic breast phantoms allow realistic testing of mammography systems covering the entire imaging chain and can be used for detectability studies. However, the phantoms usually simulate a specific anatomical situation. If the detectable lesions are modelled directly into the phantoms, the creation of an image database for observational studies in humans requires numerous phantoms. The possibility of flexibly inserting lesions at variable positions within the phantom would considerably reduce the number of phantoms required and thus the manufacturing costs. The aim of this study was to develop a concept for adding simulated microcalcification clusters to our anthropomorphic phantoms, using a 3D printed base plate with movable inserts and crushed eggshells to simulate microcalcification. Mammograms were taken with the base plate under the corresponding phantom for different cluster positions. The resulting mammograms show that the microcalcification clusters overlap the anatomical structures simulated by the anthropomorphic phantom at different positions, while the 3D printed base plate and inserts are not visible. The developed concept may facilitate the provision of a set of images for system tests, including impact of postprocessing on diagnostic image quality, image databases for observational studies and education.

Citation Download Citation

Ulf Mäder, Martin Fiebich, Karin Bock, and Stephan Schopphoven "Concept to extend anthropomorphic breast phantoms for 2D digital mammography with movable lesions at variable reproducible positions", Proc. SPIE 11513, 15th International Workshop on Breast Imaging (IWBI2020), 115131L (22 May 2020); https://doi.org/10.1117/12.2560619

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