Abstract
Purpose
In this review we summarize the current evidence on the role of PET/CT with different probes for radioembolization therapy monitoring in HCC patients. Typical clinical examples are also provided to underline the utility of choline PET in this context.
Methods
PubMed database was searched from 2000 until March 2020.
Results
Overall, 11C-acetate and radiolabeled choline PET have a higher sensitivity in the diagnosis of primary or recurrent HCC as compared to 18F-FDG. On the other hand, 18F-FDG PET/CT can provide useful prognostic information, especially for palliative treatments. Radiolabeled choline better predicts response to loco-regional treatment and provides a better differentiation of disease recurrence from treatment-related changes, as compared to other morphological imaging.
Conclusion
HCC staging is better performed with PET/CT, thus allowing for a more adequate selection of patients candidate to transarterial radioembolization.
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Acknowledgements
The authors would like to thank the colleagues for the clinical management of HCC patients submitted to radioembolization at the Departments of Nuclear Medicine and Radiology, Humanitas Clinical and Research Center – IRCCS, Rozzano (Milano), Italy.
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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Patients herein described were enrolled in a dedicated clinical study registrered at ClinicalTrials.gov Identifier: NCT02519075.
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Castello, A., Lopci, E. Imaging HCC treated with radioembolization: review of the literature and clinical examples of choline PET utility. Clin Transl Imaging 8, 377–392 (2020). https://doi.org/10.1007/s40336-020-00384-y
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DOI: https://doi.org/10.1007/s40336-020-00384-y