Characterization of breast masses for simulation purposes

Robert S. Saunders Jr.; Ehsan Samei

doi:10.1117/12.535946

4 May 2004 Characterization of breast masses for simulation purposes

Robert S. Saunders Jr., Ehsan Samei

Author Affiliations +

Proceedings Volume 5372, Medical Imaging 2004: Image Perception, Observer Performance, and Technology Assessment; (2004) https://doi.org/10.1117/12.535946
Event: Medical Imaging 2004, 2004, San Diego, California, United States

Abstract

Simulation of radiographic lesions is an important prerequisite for several research applications in medical imaging, including hardware and software design and optimization. For mammography, breast masses are an important class of lesions to be considered. In this study, we first characterized both benign and malignant breast masses with example mammograms from the Digital Database for Screening Mammography (DDSM). The measured properties of each of these mass types were then used to create a simulation routine that was capable of creating example masses from each category. A preliminary observer experiment was conducted to determine whether a mammographer could distinguish between the simulated and true masses. An ROC analysis indicated A_z values of 0.59 and 0.61 for benign and malignant lesions, respectively, suggesting very similar appearance for the simulated and real lesions. A larger observer performance experiment with multiple mammographers is underway to validate these results.

Citation Download Citation

Robert S. Saunders Jr. and Ehsan Samei "Characterization of breast masses for simulation purposes", Proc. SPIE 5372, Medical Imaging 2004: Image Perception, Observer Performance, and Technology Assessment, (4 May 2004); https://doi.org/10.1117/12.535946

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