Cited by 265AI in cancer detectionRadiomics and Machine Learning in Medical ImagingGenetic factors in colorectal cancer

Image-based consensus molecular subtype (imCMS) classification of colorectal cancer using deep learning

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Sirinukunwattana, Korsuk, Domingo, Enric, Richman, Susan D, Redmond, Keara L, Blake, Andrew, Verrill, Clare, Leedham, Simon J, Chatzipli, Aikaterini +16 more·2021·Gut

Published version of a preprint

Abstract

Objective: Complex phenotypes captured on histological slides represent the biological processes at play in individual cancers, but the link to underlying molecular classification has not been clarified or systematised. In colorectal cancer (CRC), histological grading is a poor predictor of disease progression, and consensus molecular subtypes (CMSs) cannot be distinguished without gene expression profiling. We hypothesise that image analysis is a cost-effective tool to associate complex features of tissue organisation with molecular and outcome data and to resolve unclassifiable or heterogeneous cases. In this study, we present an image-based approach to predict CRC CMS from standard H&E sections using deep learning. Design: Training and evaluation of a neural network were performed using a total of n=1206 tissue sections with comprehensive multi-omic data from three independent datasets (training on FOCUS trial, n=278 patients; test on rectal cancer biopsies, GRAMPIAN cohort, n=144 patients; and The Cancer Genome Atlas (TCGA), n=430 patients). Ground truth CMS calls were ascertained by matching random forest and single sample predictions from CMS classifier. Results: Image-based CMS (imCMS) accurately classified slides in unseen datasets from TCGA (n=431 slides, AUC)=0.84) and rectal cancer biopsies (n=265 slides, AUC=0.85). imCMS spatially resolved intratumoural heterogeneity and provided secondary calls correlating with bioinformatic prediction from molecular data. imCMS classified samples previously unclassifiable by RNA expression profiling, reproduced the expected correlations with genomic and epigenetic alterations and showed similar prognostic associations as transcriptomic CMS. Conclusion: This study shows that a prediction of RNA expression classifiers can be made from H&E images, opening the door to simple, cheap and reliable biological stratification within routine workflows.

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  1. Popovici, 2018, 30(th) European congress of pathology: recognising molecular subtypes of colon cancer from virtual slides, Virchows Arch, 473, 1

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Authors
Sirinukunwattana, K., Domingo, E., Richman, S. D., Redmond, K. L., Blake, A., Verrill, C., Leedham, S. J., Chatzipli, A., Hardy, C., Whalley, C. M., Wu, C.-H., Beggs, A. D., McDermott, U., Dunne, P. D., Meade, A., Walker, S. M., Murray, G. I., Samuel, L., Seymour, M., Tomlinson, I., Quirke, P., Maughan, T., Rittscher, J., & Koelzer, V. H.
Affiliations
  • University of Oxford (GB)
  • University of Leeds (GB)
  • Queen's University Belfast (GB)
  • Centre for Human Genetics (GB)
  • Wellcome Sanger Institute (GB)
  • University of Birmingham (GB)
  • MRC Clinical Trials Unit at UCL (GB)
  • Almac (United Kingdom) (GB)
  • University of Aberdeen (GB)
  • Aberdeen Royal Infirmary (GB)
  • Department of Oncology, Leeds Institute of Cancer and Pathology, Leeds, UK
  • Edinburgh Cancer Research (GB)
  • Department of Pathology and Tumour Biology, Leeds Institute of Cancer and Pathology, Leeds, UK
  • CRUK/MRC Oxford Institute for Radiation Oncology, University of Oxford, Oxford, UK
  • University of Zurich (CH)
Corresponding author
Koelzer, Viktor H
Venue
Gut
Publisher
BMJ
Published
2020-07-20
Volume
70
Issue
3
Pages
544-554
ISSN
  • 0017-5749 (ISSN-L)
  • 1468-3288
OpenAlex
W3043602140
Cited by
264
References
30
Citations by year
2026: 35 · 2025: 40 · 2024: 63 · 2023: 37 · 2022: 57 · 2021: 28 · 2020: 4
FWCI
12.37
Type
journal article
Language
en
Open access
Locations
  • Gut (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Research Portal (Queen's University Belfast) (publishedVersion, cc-by)
  • ePrints Soton (University of Southampton) (acceptedVersion)
  • Zurich Open Repository and Archive (University of Zurich) (acceptedVersion, cc-by)
  • Aberdeen University Research Archive (Aberdeen University) (submittedVersion)
  • UCL Discovery (University College London) (submittedVersion)
  • University of Birmingham Research Portal (University of Birmingham) (submittedVersion)
  • University of Birmingham Research Portal (University of Birmingham) (submittedVersion, cc-by)
  • Edinburgh Research Explorer (University of Edinburgh) (submittedVersion, cc-by)
  • Zurich Open Repository and Archive (University of Zurich) (submittedVersion, cc-by)
  • Zurich Open Repository and Archive (University of Zurich)
  • Greater South Information System
Funders
  • National Institute for Health Research (NIHR) Oxford Biomedical Research Centre
  • Engineering and Physical Sciences Research Council (EP/M013774/1)
  • Medical Research Council UK
  • Cancer Research UK
  • Promedica Foundation (F-87701-41-01)
  • Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (P2SKP3_168322/1)
Topics
  • Physical Sciences › Computer Science › Artificial Intelligence › AI in cancer detection
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Radiomics and Machine Learning in Medical Imaging
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Genetic factors in colorectal cancer
Keywords
colorectal cancer, consensus molecular subtypes, image classification, H&E histology, deep learning, intratumoral heterogeneity, rectal cancer, histopathology, molecular classification, prognostic stratification, epigenetic modifications
MeSH terms
Deep Learning, Biopsy, Humans, Phenotype, Predictive Value of Tests, Prognosis, RNA, Biomarkers, Tumor, Colorectal Neoplasms, Gene Expression Regulation, Neoplastic, Disease Progression, Gene Expression Profiling, Consensus, Neoplasm Grading, Datasets as Topic

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