Abstract：
:Metabolic images from Positron Emission Tomography (PET) are used routinely for diagnosis, follow-up or treatment planning purposes of cancer patients. In this study we aimed at determining if radiomic features extracted from 18F-Fluoro Deoxy Glucose (FDG) PET images could mirror tumor transcriptomics. In this study we analyzed 45 patients with locally advanced head and neck cancer (H&N) that underwent FDG-PET scans at the time of diagnosis and transcriptome analysis using RNAs from both cancer and healthy tissues on microarrays. Association between PET radiomics and transcriptomics was carried out with the Genomica software and a functional annotation was used to associate PET radiomics, gene expression and altered biological pathways. We identified relationships between PET radiomics and genes involved in cell-cycle, disease, DNA repair, extracellular matrix organization, immune system, metabolism or signal transduction pathways, according to the Reactome classification. Our results suggest that these FDG PET radiomic features could be used to infer tissue gene expression and cellular pathway activity in H&N cancers. These observations strengthen the value of radiomics as a promising approach to personalize treatments through targeting tumor-specific molecular processes.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Tixier F,Cheze-le-Rest C,Schick U,Simon B,Dufour X,Key S,Pradier O,Aubry M,Hatt M,Corcos L,Visvikis Ddoi
10.1038/s41598-020-62414-zsubject
Has Abstractpub_date
2020-03-27 00:00:00pages
5660issue
1issn
2045-2322pii
10.1038/s41598-020-62414-zjournal_volume
10pub_type
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