Journal
CLINICAL IMAGING
Volume 42, Issue -, Pages 43-49Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.clinimag.2016.11.009
Keywords
Liver; F-18 PDC Pet; Yttrium 90; Radioembolization
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Objective: This study assessed the benefit of post-therapy F-18-FOG PET/CT versus CT alone in identifying malignant liver tumor progression following radioembolization with Y-90 microspheres. Methods: 24 patients with 44 liver tumors underwent CT imaging pre-radioembolization and PET/CT postradioembolization. Predictive value of Response Evaluation Criteria in Solid Tumors (RECIST 1.1), The World Health Organization (WHO), mRECIST and European Association for the Study of the Liver (EASL) with PET/CT versus CT alone was assessed. Results: Prediction of liver malignancy progression was improved (p <0.05) for tumors labeled as non responding based on combined PET/CT with RECIST 1.1, WHO, mRECIST, and EASL criteria compared to assessment without PET. Conclusions: The addition of post-therapy PET to routine CT in patients with hepatic tumors undergoing radioembolization may improve identification of non-responding tumors. (C) 2016 Elsevier Inc. All rights reserved.
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