• Clinical imaging · Mar 2017

    FDG PET/MR in initial staging of sarcoma: Initial experience and comparison with conventional imaging.

    • Ivan Platzek, Bettina Beuthien-Baumann, Georg Schramm, Jens Maus, Michael Laniado, Jörg Kotzerke, Jörg van den Hoff, and Markus Schuler.
    • Dresden University Hospital, Department of Radiology, Fetscherstr. 74, 01307 Dresden, Germany. Electronic address: ivan.platzek@uniklinikum-dresden.de.
    • Clin Imaging. 2017 Mar 1; 42: 126-132.

    ObjectiveTo assess the feasibility of positron emission tomography/magnetic resonance imaging (PET/MR) with 18F-fluordeoxyglucose (FDG) for initial staging of sarcoma.Materials And MethodsTwenty-nine patients with sarcoma were included in this study. Weighted kappa (κ) was used to assess the agreement between PET/MR and conventional imaging (CT and MR). The accuracy of PET/MR and conventional imaging for distant metastases was compared using receiver operating characteristic (ROC) analysis.ResultsT and M stage were identical for PET/MR and conventional modalities in all patients (κ=1). N stage was identical for 28/29 patients (κ=0.65).ConclusionsFDG PET/MR shows excellent agreement with the currently preferred imaging methods (CT and MR) in initial staging of sarcoma.Copyright © 2016 Elsevier Inc. All rights reserved.

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