Artificial intelligence in digital pathology - new tools for diagnosis and precision oncology
- 1 November 2019
- journal article
- research article
- Published by Springer Science and Business Media LLC in Nature Reviews Clinical Oncology
- Vol. 16 (11), 703-715
- https://doi.org/10.1038/s41571-019-0252-y
Abstract
In the past decade, advances in precision oncology have resulted in an increased demand for predictive assays that enable the selection and stratification of patients for treatment. The enormous divergence of signalling and transcriptional networks mediating the crosstalk between cancer, stromal and immune cells complicates the development of functionally relevant biomarkers based on a single gene or protein. However, the result of these complex processes can be uniquely captured in the morphometric features of stained tissue specimens. The possibility of digitizing whole-slide images of tissue has led to the advent of artificial intelligence (Al) and machine learning tools in digital pathology, which enable mining of subvisual morphometric phenotypes and might, ultimately, improve patient management. In this Perspective, we critically evaluate various AI-based computational approaches for digital pathology, focusing on deep neural networks and 'hand-crafted' feature-based methodologies. We aim to provide a broad framework for incorporating Al and machine learning tools into clinical oncology, with an emphasis on biomarker development. We discuss some of the challenges relating to the use of Al, including the need for well-curated validation datasets, regulatory approval and fair reimbursement strategies. Finally, we present potential future opportunities for precision oncology.This publication has 141 references indexed in Scilit:
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