Radiomics for precision medicine: Current challenges, future prospects, and the proposal of a new framework

A. Ibrahim*, S. Primakov, M. Beuque, H.C. Woodruff, I. Halilaj, G. Wu, T. Refaee, R. Granzier, Y. Widaatalla, R. Hustinx, F.M. Mottaghy, P. Lambin

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

The advancement of artificial intelligence concurrent with the development of medical imaging techniques provided a unique opportunity to turn medical imaging from mostly qualitative, to further quantitative and mineable data that can be explored for the development of clinical decision support systems (cDSS). Radiomics, a method for the high throughput extraction of hand-crafted features from medical images, and deep learning-the data driven modeling techniques based on the principles of simplified brain neuron interactions, are the most researched quantitative imaging techniques. Many studies reported on the potential of such techniques in the context of cDSS. Such techniques could be highly appealing due to the reuse of existing data, automation of clinical workflows, minimal invasiveness, three-dimensional volumetric characterization, and the promise of high accuracy and reproducibility of results and cost-effectiveness. Nevertheless, there are several challenges that quantitative imaging techniques face, and need to be addressed before the translation to clinical use. These challenges include, but are not limited to, the explainability of the models, the reproducibility of the quantitative imaging features, and their sensitivity to variations in image acquisition and reconstruction parameters. In this narrative review, we report on the status of quantitative medical image analysis using radiomics and deep learning, the challenges the field is facing, propose a framework for robust radiomics analysis, and discuss future prospects.
Original languageEnglish
Pages (from-to)20-29
Number of pages10
JournalMethods
Volume188
DOIs
Publication statusPublished - 1 Apr 2021

Keywords

  • Clinical decision support systems
  • Medical image analysis
  • Radiomics
  • SURVIVAL
  • FDG-PET RADIOMICS
  • TEST-RETEST
  • STABILITY
  • INTRATUMOR HETEROGENEITY
  • REPRODUCIBILITY
  • FEATURES
  • LUNG-CANCER
  • DISCRETIZATION
  • IMAGES

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