1. Qualitative flow metabolic phenotype of pancreatic cancer. A new prognostic biomarker?
- Author
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Riviere D, Aarntzen E, van Geenen E, Chang D, de Geus-Oei LF, Brosens L, van Laarhoven K, Gotthardt M, and Hermans J
- Subjects
- Humans, Male, Female, Middle Aged, Fluorodeoxyglucose F18, Prognosis, Retrospective Studies, Biomarkers, Phenotype, Positron Emission Tomography Computed Tomography, Pancreatic Neoplasms diagnostic imaging, Pancreatic Neoplasms surgery, Carcinoma, Pancreatic Ductal diagnostic imaging, Carcinoma, Pancreatic Ductal surgery
- Abstract
Background: Retrospective analysis to investigate the relationship between the flow-metabolic phenotype and overall survival (OS) of pancreatic ductal adenocarcinoma (PDAC) and its potential clinical utility., Methods: Patients with histopathologically proven PDAC between 2005 and 2014 using tumor attenuation on routine pre-operative CECT as a surrogate for the vascularity and [
18 F]FDG-uptake as a surrogate for metabolic activity on [18 F]FDG-PET., Results: In total, 93 patients (50 male, 43 female, median age 63) were included. Hypoattenuating PDAC with high [18 F]FDG-uptake has the poorest prognosis (median OS 7 ± 1 months), compared to hypoattenuating PDAC with low [18 F]FDG-uptake (median OS 11 ± 3 months; p = 0.176), iso- or hyperattenuating PDAC with high [18 F]FDG-uptake (median OS 15 ± 5 months; p = 0.004) and iso- or hyperattenuating PDAC with low [18 F]FDG-uptake (median OS 23 ± 4 months; p = 0.035). In multivariate analysis, surgery combined with tumor differentiation, tumor stage, systemic therapy and flow metabolic phenotype remained independent predictors for overall survival., Discussion: The novel qualitative flow-metabolic phenotype of PDAC using a combination of CECT and [18 F]FDG-PET features, predicted significantly worse survival for hypoattenuating-high uptake pancreatic cancers compared to the other phenotypes., (Copyright © 2023 The Author(s). Published by Elsevier Ltd.. All rights reserved.)- Published
- 2024
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