ArticleNPJ digital medicine2026
Patch-to-slide fusion deep learning model for histological diagnosis of early pregnancy loss including hydatidiform mole.
Article in NPJ digital medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Distinguishing histological subtypes of early pregnancy loss is crucial for clinical practice. Current gold standards combining pathological and molecular profiling are costly, limiting implementation. We developed a patch-to-slide fusion artificial intelligence (AI) model with adaptive masking to predict histological diagnosis. A total of 1380 haematoxylin and eosin stained, 1057 p57 and 646 Ki-67 immunohistochemistry stained whole-slide images from 1287 patients were used for multicenter development and validation. Cases were classified as complete hydatidiform moles, partial hydatidiform moles, hydropic abortion, and normal control. The model achieved slide-level accuracy of 0.843 and AUROC of 0.959 in the development test, and accuracy of 0.801 with AUROC of 0.930 in independent testing. AI-assisted diagnosis significantly improved pathologist performance (p < 0.05). The multi-stain model integrating haematoxylin and eosin and p57 outperformed single-stain models. This tool may improve diagnostic precision, assist triage for genetic testing, and reduce costs.
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