2021
DOI: 10.21203/rs.3.rs-157951/v1
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Radiomics and gene expression profile to characterize the disease and predict outcome in patients with lung cancer

Abstract: Objectives The objectives of our study were to assess the association of radiomic and genomic data with histology and patient outcome in non-small cell lung cancer (NSCLC).Methods In this retrospective single-centre observational study, we selected 151 surgically treated patients with adenocarcinoma or squamous cell carcinoma who performed baseline [18F]-FDG PET/CT. A subgroup of patients with cancer tissue samples at the Institutional Biobank (n=74/151) was included in the genomic analysis. Features were extr… Show more

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“…Likewise, this technique is potentially exceptionally promising for linking highly reproducible, non-invasive imaging features with the disease gene expression profile that is distinctly associated with a clinically meaningful prognosis (14). In recent years, radiogenomics has been reported covering a wide range of tumors, encompassing gene sequences, gene expression, molecular subtypes, and tumor heterogeneity (15)(16)(17), effectively providing direction for the formulation of clinical treatment plans, particularly devised for the individual patient.…”
Section: Introductionmentioning
confidence: 99%
“…Likewise, this technique is potentially exceptionally promising for linking highly reproducible, non-invasive imaging features with the disease gene expression profile that is distinctly associated with a clinically meaningful prognosis (14). In recent years, radiogenomics has been reported covering a wide range of tumors, encompassing gene sequences, gene expression, molecular subtypes, and tumor heterogeneity (15)(16)(17), effectively providing direction for the formulation of clinical treatment plans, particularly devised for the individual patient.…”
Section: Introductionmentioning
confidence: 99%
“…Novel post-processing methods for PET/CT imaging data enable high-throughput quantitative feature extraction from biomedical images known as radiomics and offer a non-invasive approach to capture intra-tumoral heterogeneity [15], while supervised machine learning provides the tools to map high-dimensional input data to investigational endpoints effectively [16]. The potential of PET and CT-derived radiomic features in combination with machine learning has been demonstrated inter alia in lesion characterization [17][18][19], response prediction to various therapeutic options [20,21] and survival prognostication [20,22]. However, few studies have studied LUAD cohorts and those who did often exhibited methodological shortcomings like lack of appropriate data preprocessing.…”
Section: Declarations Introductionmentioning
confidence: 99%