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Split-Dose 18F-FDG PET/CT–Guided Microwave Ablation for Liver Metastasis Recurrence with Immediate Treatment Assessment

Jason M. Zhao, Mariya Gusman, Justin G. Peacock, Aaron B. Wickley and Kevin P. Banks
Journal of Nuclear Medicine Technology March 2019, 47 (1) 88-89; DOI: https://doi.org/10.2967/jnmt.118.217406

Article Figures & Data

Figures

  • FIGURE 1.
    FIGURE 1.

    CT (A) and PET/CT (B) show ill-defined, hypodense region of hepatic segment 7, representing anatomically stable ablation bed of previously treated lesion. Fused image reveals metabolically active tumor along ablation bed. Anterior hypodense, metabolically quiescent lesion represents chronic asymptomatic biloma.

  • FIGURE 2.
    FIGURE 2.

    (A and B) Images before (A) and during (B) PET/CT-guided microwave ablation of metastasis using split-bolus approach. Arrow in intraprocedural image denotes microwave antenna. (C) Image immediately after ablation shows resolution of 18F-FDG avidity, confirming treatment efficacy. (D) PET/CT 1 mo after ablation demonstrates no focal PET avidity.

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