Cited by 968Multimodal Machine Learning ApplicationsAI in cancer detectionArtificial Intelligence in Healthcare and Education

A visual-language foundation model for computational pathology

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Lu, Ming Y., Chen, Bowen, Williamson, Drew F. K., Chen, Richard J., Liang, Ivy, Ding, Tong, Jaume, Guillaume, Odintsov, Igor +5 more·2024·Nature Medicine

Abstract

The accelerated adoption of digital pathology and advances in deep learning have enabled the development of robust models for various pathology tasks across a diverse array of diseases and patient cohorts. However, model training is often difficult due to label scarcity in the medical domain, and a model’s usage is limited by the specific task and disease for which it is trained. Additionally, most models in histopathology leverage only image data, a stark contrast to how humans teach each other and reason about histopathologic entities. We introduce CONtrastive learning from Captions for Histopathology (CONCH), a visual-language foundation model developed using diverse sources of histopathology images, biomedical text and, notably, over 1.17 million image–caption pairs through task-agnostic pretraining. Evaluated on a suite of 14 diverse benchmarks, CONCH can be transferred to a wide range of downstream tasks involving histopathology images and/or text, achieving state-of-the-art performance on histology image classification, segmentation, captioning, and text-to-image and image-to-text retrieval. CONCH represents a substantial leap over concurrent visual-language pretrained systems for histopathology, with the potential to directly facilitate a wide array of machine learning-based workflows requiring minimal or no further supervised fine-tuning. Developed using diverse sources of histopathology images, biomedical text and over 1.17 million image–caption pairs, evaluated on a suite of 14 diverse benchmarks, a visual-language foundation model achieves state-of-the-art performance on a wide array of clinically relevant pathology tasks.

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Crossref · 10.1038/s41591-024-02856-4

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  • Retrieving a similar WSI via slide search or pathology reports through cross-modal report search typically requires specialized algorithms to bridge the gap between fine-grained patch embeddings and slide-level information, introducing hurdles to clinical adoption.

    “Similarly, given a diagnostically challenging WSI, retrieving a similar WSI via slide search5,46–53 or pathology reports through cross-modal report search10,54–56 typically requires specialized algorithms to bridge the gap between fine-grained patch embeddings and slide-level information, introducing hurdles to clinical adoption.”

    From A multimodal whole-slide foundation model for pathology (2025) · cites this paper as [10]

    Split into 2 atoms — 0 confirmed, 2 partially supported, 0 disputed, 0 misattributed, 0 unverifiable. Expand the claim to see per-atom verdicts.

    Experimental — accuracy not yet measured
  • CONCHv1.5 was chosen for feature extraction because it was pretrained on histology regions with diverse stains and tissue types, including FFPE, frozen tissue and IHC, yielding region features robust against diverse tissue processing protocols.

    “The choice of CONCHv1.5 for feature extraction was due to the fact that the model was pretrained on histology regions with diverse stains and tissue types, including FFPE, frozen tissue and IHC, thereby yielding region features that are robust against diverse tissue processing protocols.”

    From A multimodal whole-slide foundation model for pathology (2025) · cites this paper as [10]

    Split into 2 atoms — 0 confirmed, 2 partially supported, 0 disputed, 0 misattributed, 0 unverifiable. Expand the claim to see per-atom verdicts.

    Experimental — accuracy not yet measured
  • Increasing the patch size from 256 × 256 pixels to 512 × 512 pixels reduces the sequence length by four without impacting representation quality, leveraging the robustness of patch-level foundation models to higher resolutions.

    “By increasing the patch size from the widely used 256 × 256 pixels, we effectively reduce the sequence length by four without impacting the representation quality due to higher resolution patch input, leveraging the robustness of the patch-level foundation models in generalizing to higher resolutions9,10,87.”

    From A multimodal whole-slide foundation model for pathology (2025) · cites this paper as [10]

    The Methods (WSI processing; page unavailable) support 256 × 256 pixels as a conventional tile size for slide-level classification. They do not report increasing that size to 512 × 512, a fourfold reduction in sequence length, or preserved representation quality at the higher resolution. The paper instead says tiles were resized to 224 × 224 for feature extraction. (LLM, conf=0.84)

    Experimental — accuracy not yet measured
  • CONCH can create effective representations for non-H&E-stained images, such as immunohistochemistry and special stains, without relying on large public histology slide collections.

    “enabling it to create effective representations for non–H&E (hematoxylin and eosin)-stained images, such as immunohistochemistry and special stains, without relying on large public histology slide collections such as The Cancer Genome Atlas, Pancreatic Cancer AI Platform, and Genotype-Tissue Expression.”

    From Multimodal Large Language Models in Health Care: Applications, Challenges, and Future Outlook. (2024) · cites this paper as [141]

    The Methods (Dataset curation; page unavailable) say CONCH’s pretraining data included immunohistochemistry and special-stain images, but explicitly state that downstream evaluation covered only human histopathology and H&E tasks. The Methods (Pretraining unimodal encoders; page unavailable) describe an in-house slide collection for image-encoder pretraining. Thus the paper supports inclusion of non-H&E images and pretraining without the named public slide collections, but does not establish that CONCH creates effective representations for non-H&E images. (LLM, conf=0.87)

    Experimental — accuracy not yet measured
  • CONCH is a vision-language M-LLM specifically designed for computational histopathology.

    “CONCH is a vision-language M-LLM specifically designed for computational histopathology.”

    From Multimodal Large Language Models in Health Care: Applications, Challenges, and Future Outlook. (2024) · cites this paper as [141]

    The Abstract (page unavailable) identifies CONCH as a visual-language foundation model developed for histopathology. Methods > Visual-language pretraining (page unavailable) describes its image encoder and GPT-style text encoder and multimodal decoder. These passages support its visual-language design and pathology focus, but do not establish the more specific classification of CONCH as a multimodal large language model (M-LLM). (LLM, conf=0.82)

    Experimental — accuracy not yet measured

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Authors
Lu, M. Y., Chen, B., Williamson, D. F. K., Chen, R. J., Liang, I., Ding, T., Jaume, G., Odintsov, I., Le, L. P., Gerber, G., Parwani, A. V., Zhang, A., & Mahmood, F.
Affiliations
  • Broad Institute (US)
  • Brigham and Women's Hospital (US)
  • Harvard University (US)
  • The Ohio State University Wexner Medical Center (US)
Corresponding author
Mahmood, Faisal
Venue
Nature Medicine
Published
2024-03
Volume
30
Issue
3
Pages
863-874
ISSN
  • 1078-8956 (ISSN-L)
  • 1546-170X
OpenAlex
W4392947532
Cited by
966
References
79
Citations by year
2026: 491 · 2025: 388 · 2024: 87
FWCI
135.39
Type
journal article
Language
en
Open access
Locations
  • Nature Medicine (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Human Genome Research Institute (T32HG002295)
  • National Cancer Institute (T32CA251062)
  • National Institute of General Medical Sciences (R35GM149270, R35GM138216)
  • National Institute of Diabetes and Digestive and Kidney Diseases (P30DK034854)
Topics
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Multimodal Machine Learning Applications
  • Physical Sciences › Computer Science › Artificial Intelligence › AI in cancer detection
  • Health Sciences › Medicine › Health Informatics › Artificial Intelligence in Healthcare and Education
Keywords
histopathology, digital pathology, contrastive learning, image-caption pairs, biomedical text, histology image classification, image captioning, text-to-image retrieval, image-to-text retrieval, transfer learning, limited labeled data
MeSH terms
Machine Learning, Humans, Language, Workflow

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