Diagnostic efficacy in screening mammograms does not improve with peer reading strategy: a Sino-Australian study

Wing Lam Chiu; Tong Li; Sarah J. Lewis

doi:10.1117/12.2610992

4 April 2022 Diagnostic efficacy in screening mammograms does not improve with peer reading strategy: a Sino-Australian study

Wing Lam Chiu, Tong Li, Sarah J. Lewis

Author Affiliations +

Proceedings Volume 12035, Medical Imaging 2022: Image Perception, Observer Performance, and Technology Assessment; 1203518 (2022) https://doi.org/10.1117/12.2610992
Event: SPIE Medical Imaging, 2022, San Diego, California, United States

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Abstract

Unlike Australia, China has no population-based early detection screening program with radiological expertise being a barrier to implementation. This study explores observer performance between breast radiologists from China and Australia, and the role of peer-assisted reading in Chinese radiologists’ performance. A test set of 60 high density screening mammograms (40 normal, 20 cancer cases) was constructed with eight Chinese and 17 Australian radiologists reading the test set independently, while another ten Chinese radiologists read the test set as a peer-duo, where discussion was encouraged but lesion marking was done separately. For independent readings by radiologists who read >20 cases per week, Chinese readers had lower performance in sensitivity, lesion sensitivity, AUC and JAFROC. There was no significant difference in performance between independent reading and peer-assisted reading Chinese readers and this strategy may have limited valued in improving diagnostic efficacy.

Citation Download Citation

Wing Lam Chiu, Tong Li, and Sarah J. Lewis "Diagnostic efficacy in screening mammograms does not improve with peer reading strategy: a Sino-Australian study", Proc. SPIE 12035, Medical Imaging 2022: Image Perception, Observer Performance, and Technology Assessment, 1203518 (4 April 2022); https://doi.org/10.1117/12.2610992

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