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CEUS in Treatment Response Evaluation: Radiofrequency and Microwave Ablation
Maria Franca Meloni, MD; Giampiero Francica, MD; John Eisenbrey, PhD
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KEY FACTS

  • Terminology

    • Best Imaging Techniques

      • Clinical Issues

        • Diagnostic Clues

          TERMINOLOGY

          • Abbreviations

            • Radiofrequency ablation (RFA)
            • Microwave ablation (MWA)
          • Definitions

            • RFA and MWA are energy-based ablation modalities that destroy soft tissues using heat originating from electromagnetic fields

          IMAGING

          • General Features

            Hepatocellular Carcinoma

            • Preprocedural Imaging

              • Immediate Postprocedural Assessment

                • Follow-Up Imaging

                  Metastases

                  • Preprocedural Imaging

                    • Immediate Postprocedural Assessment

                      • Follow-Up Imaging

                        Pitfalls

                        • Nonlinear Propagation Artifact (Pseudoenhancement)

                          Selected References

                          1. European Association for the Study of the Liver. Electronic address: easloffice@easloffice.eu. et al: EASL Clinical Practice Guidelines: Management of hepatocellular carcinoma. J Hepatol. 69(1):182-236, 2018
                          2. Francica G et al: Ablation treatment of primary and secondary liver tumors under contrast-enhanced ultrasound guidance in field practice of interventional ultrasound centers. A multicenter study. Eur J Radiol. 105:96-101, 2018
                          3. Chiang J et al: Effects of microwave ablation on arterial and venous vasculature after treatment of hepatocellular carcinoma. Radiology. 281(2):617-624, 2016
                          4. Shi W et al: Contrast-enhanced ultrasonography used for post-treatment responses evaluation of radiofrequency ablations for hepatocellular carcinoma: a meta-analysis. Br J Radiol. 89(1064):20150973, 2016
                          5. Gillams A et al: Thermal ablation of colorectal liver metastases: a position paper by an international panel of ablation experts, The Interventional Oncology Sans Frontières meeting 2013. Eur Radiol. 25(12):3438-54, 2015
                          6. Cantisani V et al: Liver metastases: Contrast-enhanced ultrasound compared with computed tomography and magnetic resonance. World J Gastroenterol. 20(29):9998-10007, 2014
                          7. Mauri G et al: Intraprocedural contrast-enhanced ultrasound (CEUS) in liver percutaneous radiofrequency ablation: clinical impact and health technology assessment. Insights Imaging. 5(2):209-16, 2014
                          8. Claudon M et al: Guidelines and good clinical practice recommendations for contrast enhanced ultrasound (CEUS) in the liver - update 2012: A WFUMB-EFSUMB initiative in cooperation with representatives of AFSUMB, AIUM, ASUM, FLAUS and ICUS. Ultrasound Med Biol. 39(2):187-210, 2013
                          9. Meloni MF et al: Contrast enhanced ultrasound: Should it play a role in immediate evaluation of liver tumors following thermal ablation? Eur J Radiol. 81(8):e897-902, 2012
                          10. The International Consensus Group for Hepatocellular Neoplasia: Pathologic diagnosis of early hepatocellular carcinoma: a report of the international consensus group for hepatocellular neoplasia. Hepatology. 49(2):658-64, 2009. Erratum in: Hepatology. 49(3):1058, 2009
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                          References
                          Tables

                          Tables

                          KEY FACTS

                          • Terminology

                            • Best Imaging Techniques

                              • Clinical Issues

                                • Diagnostic Clues

                                  TERMINOLOGY

                                  • Abbreviations

                                    • Radiofrequency ablation (RFA)
                                    • Microwave ablation (MWA)
                                  • Definitions

                                    • RFA and MWA are energy-based ablation modalities that destroy soft tissues using heat originating from electromagnetic fields

                                  IMAGING

                                  • General Features

                                    Hepatocellular Carcinoma

                                    • Preprocedural Imaging

                                      • Immediate Postprocedural Assessment

                                        • Follow-Up Imaging

                                          Metastases

                                          • Preprocedural Imaging

                                            • Immediate Postprocedural Assessment

                                              • Follow-Up Imaging

                                                Pitfalls

                                                • Nonlinear Propagation Artifact (Pseudoenhancement)

                                                  Selected References

                                                  1. European Association for the Study of the Liver. Electronic address: easloffice@easloffice.eu. et al: EASL Clinical Practice Guidelines: Management of hepatocellular carcinoma. J Hepatol. 69(1):182-236, 2018
                                                  2. Francica G et al: Ablation treatment of primary and secondary liver tumors under contrast-enhanced ultrasound guidance in field practice of interventional ultrasound centers. A multicenter study. Eur J Radiol. 105:96-101, 2018
                                                  3. Chiang J et al: Effects of microwave ablation on arterial and venous vasculature after treatment of hepatocellular carcinoma. Radiology. 281(2):617-624, 2016
                                                  4. Shi W et al: Contrast-enhanced ultrasonography used for post-treatment responses evaluation of radiofrequency ablations for hepatocellular carcinoma: a meta-analysis. Br J Radiol. 89(1064):20150973, 2016
                                                  5. Gillams A et al: Thermal ablation of colorectal liver metastases: a position paper by an international panel of ablation experts, The Interventional Oncology Sans Frontières meeting 2013. Eur Radiol. 25(12):3438-54, 2015
                                                  6. Cantisani V et al: Liver metastases: Contrast-enhanced ultrasound compared with computed tomography and magnetic resonance. World J Gastroenterol. 20(29):9998-10007, 2014
                                                  7. Mauri G et al: Intraprocedural contrast-enhanced ultrasound (CEUS) in liver percutaneous radiofrequency ablation: clinical impact and health technology assessment. Insights Imaging. 5(2):209-16, 2014
                                                  8. Claudon M et al: Guidelines and good clinical practice recommendations for contrast enhanced ultrasound (CEUS) in the liver - update 2012: A WFUMB-EFSUMB initiative in cooperation with representatives of AFSUMB, AIUM, ASUM, FLAUS and ICUS. Ultrasound Med Biol. 39(2):187-210, 2013
                                                  9. Meloni MF et al: Contrast enhanced ultrasound: Should it play a role in immediate evaluation of liver tumors following thermal ablation? Eur J Radiol. 81(8):e897-902, 2012
                                                  10. The International Consensus Group for Hepatocellular Neoplasia: Pathologic diagnosis of early hepatocellular carcinoma: a report of the international consensus group for hepatocellular neoplasia. Hepatology. 49(2):658-64, 2009. Erratum in: Hepatology. 49(3):1058, 2009