Correspondence between areas causing recall in breast cancer screening and artificial intelligence findings

Victor Dahlblom; Anders Tingberg; Sophia Zackrisson; Magnus Dustler

doi:10.1117/12.2625731

13 July 2022 Correspondence between areas causing recall in breast cancer screening and artificial intelligence findings

Victor Dahlblom, Anders Tingberg, Sophia Zackrisson, Magnus Dustler

Author Affiliations +

Proceedings Volume 12286, 16th International Workshop on Breast Imaging (IWBI2022); 122860K (2022) https://doi.org/10.1117/12.2625731
Event: Sixteenth International Workshop on Breast Imaging, 2022, Leuven, Belgium

Abstract

False positive recall is a major issue in breast cancer screening and the introduction of artificial intelligence (AI) might affect which women who are unnecessarily recalled. We have investigated how an AI system works on false positive recalls at screening and compared with radiologist findings. Two-view digital mammography (DM) examinations from 656 recalled women (136 with screening detected cancer), were analysed with a commercial AI system. The AI findings were matched with the areas on the images causing the recalls. The agreement was studied both at the examination level and for individual findings. Scores were compared between true positive and false positive recalls. ROC analysis was used to study the AI-system’s ability to distinguish between true and false positive recalls. It was also studied how the AI system performed on cases where there were discordant readings. AI identified the same areas as radiologists in 80% of the cases recalled on DM. For true positives both the proportion of matching areas and AI scores were higher than for false positive recalls. The AI system also had a relatively large AUC (0.83) for differentiating between false positive recalls and cancers. Further, the AI system identified most of the findings leading to recall in cases where only one of the readers had marked the case for discussion. There is a relatively large agreement between the AI system and radiologists. The AI system scores the false positives lower than true positives. AI complements a single reader in a way similar to a second reader.

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Victor Dahlblom, Anders Tingberg, Sophia Zackrisson, and Magnus Dustler "Correspondence between areas causing recall in breast cancer screening and artificial intelligence findings", Proc. SPIE 12286, 16th International Workshop on Breast Imaging (IWBI2022), 122860K (13 July 2022); https://doi.org/10.1117/12.2625731

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KEYWORDS

Artificial intelligence

Cancer

Digital breast tomosynthesis

Breast cancer

System identification

Mammography

Breast

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