Journal
EUROPEAN JOURNAL OF RADIOLOGY
Volume 167, Issue -, Pages -Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.ejrad.2023.111085
Keywords
Adversarial attacks; Deep learning; Radiology; Cybersecurity
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This study systematically reviews the literature on adversarial attacks in radiology. A total of 22 studies were included, primarily focused on image classification algorithms. Some attacks proved highly effective, reducing the AUC of algorithm performance to 0 and achieving success rates up to 100%.
Purpose: The growing application of deep learning in radiology has raised concerns about cybersecurity, particularly in relation to adversarial attacks. This study aims to systematically review the literature on adversarial attacks in radiology.Methods: We searched for studies on adversarial attacks in radiology published up to April 2023, using MEDLINE and Google Scholar databases.Results: A total of 22 studies published between March 2018 and April 2023 were included, primarily focused on image classification algorithms. Fourteen studies evaluated white-box attacks, three assessed black-box attacks and five investigated both. Eleven of the 22 studies targeted chest X-ray classification algorithms, while others involved chest CT (6/22), brain MRI (4/22), mammography (2/22), abdominal CT (1/22), hepatic US (1/22), and thyroid US (1/22). Some attacks proved highly effective, reducing the AUC of algorithm performance to 0 and achieving success rates up to 100 %. Conclusions: Adversarial attacks are a growing concern. Although currently the threats are more theoretical than practical, they still represent a potential risk. It is important to be alert to such attacks, reinforce cybersecurity measures, and influence the formulation of ethical and legal guidelines. This will ensure the safe use of deep learning technology in medicine.
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