OBJECTIVE: The objective of our study was to collect pilot data about the use of FDG PET within hours after radiofrequency ablation (RFA) of liver metastases. CONCLUSION: Total photopenia on early PET can potentially be regarded as a macroscopic tumor-free margin; focal uptake can be regarded as macroscopic residual tumor.
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Khandani et al. (2007) studied this question.
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