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    Domain generalization across tumor types, laboratories, and species — Insights from the 2022 edition of the Mitosis Domain Generalization Challenge (2024)

    Art
    Zeitschriftenartikel / wissenschaftlicher Beitrag
    Autoren
    Aubreville, Marc
    Stathonikos, Nikolas
    Donovan, Taryn A.
    Klopfleisch, Robert (WE 12)
    Ammeling, Jonas
    Ganz, Jonathan
    Wilm, Frauke
    Veta, Mitko
    Jabari, Samir
    Eckstein, Markus
    Annuscheit, Jonas
    Krumnow, Christian
    Bozaba, Engin
    Çayır, Sercan
    Gu, Hongyan
    Chen, Xiang ‘Anthony’
    Jahanifar, Mostafa
    Shephard, Adam
    Kondo, Satoshi
    Kasai, Satoshi
    Kotte, Sujatha
    Saipradeep, V.G.
    Lafarge, Maxime W.
    Koelzer, Viktor H.
    Wang, Ziyue
    Zhang, Yongbing
    Yang, Sen
    Wang, Xiyue
    Breininger, Katharina
    Bertram, Christof A.
    Quelle
    Medical image analysis
    Bandzählung: 94
    Seiten: 103155
    ISSN: 1361-8415
    Sprache
    Englisch
    Verweise
    URL (Volltext): https://linkinghub.elsevier.com/retrieve/pii/S136184152400080X
    DOI: 10.1016/j.media.2024.103155
    Pubmed: 38537415
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    Institut für Tierpathologie

    Robert-von-Ostertag-Str. 15
    14163 Berlin
    +49 30 838 62450
    pathologie@vetmed.fu-berlin.de

    Abstract / Zusammenfassung

    Recognition of mitotic figures in histologic tumor specimens is highly relevant to patient outcome assessment. This task is challenging for algorithms and human experts alike, with deterioration of algorithmic performance under shifts in image representations. Considerable covariate shifts occur when assessment is performed on different tumor types, images are acquired using different digitization devices, or specimens are produced in different laboratories. This observation motivated the inception of the 2022 challenge on MItosis Domain Generalization (MIDOG 2022). The challenge provided annotated histologic tumor images from six different domains and evaluated the algorithmic approaches for mitotic figure detection provided by nine challenge participants on ten independent domains. Ground truth for mitotic figure detection was established in two ways: a three-expert majority vote and an independent, immunohistochemistry-assisted set of labels. This work represents an overview of the challenge tasks, the algorithmic strategies employed by the participants, and potential factors contributing to their success. With an F1 score of 0.764 for the top-performing team, we summarize that domain generalization across various tumor domains is possible with today's deep learning-based recognition pipelines. However, we also found that domain characteristics not present in the training set (feline as new species, spindle cell shape as new morphology and a new scanner) led to small but significant decreases in performance. When assessed against the immunohistochemistry-assisted reference standard, all methods resulted in reduced recall scores, with only minor changes in the order of participants in the ranking.