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CT-guided radiofrequency tumor ablation in children

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Abstract

Background

Image-guided radiofrequency ablation is a well-accepted technique of interventional oncology in adults.

Objective

To evaluate the efficacy and safety of CT-guided radiofrequency ablation as a minimally invasive treatment for metastatic neoplasms in children.

Materials and methods

A total of 15 radiofrequency ablation sessions were performed in 12 children and young adults (median age 9.5; range 5–18 years) with metastatic malignancies. Seven children and young adults had secondary hepatic lesions, three had pulmonary and two had bone lesions. Radiofrequency ablation was performed under conscious sedation.

Results

The median lesion size was 1.7 cm (range 1.3–2.8 cm). The median time for ablation was 8 min (range 7–10 min). Radiofrequency procedures were technically successful in all tumors. Postablation imaging immediately after, and 1 month and 3 months after radiofrequency ablation showed total necrosis in all patients. At 6-month follow-up, three patients (all with lesion size >2 cm) had local recurrence and underwent a second radiofrequency ablation session. At 2-year follow-up no patient had recurrence of the treated tumor. Post-ablation syndrome occurred in four children. No major complication occurred.

Conclusion

CT-guided radiofrequency tumor ablation was safe and efficient for palliative treatment in our cohort of patients.

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Conflicts of interest

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Authors and Affiliations

  1. First Pediatric Clinic, Agia Sofia Children’s Hospital, National and Kapodistrian University of Athens, Athens, Greece

    Evanthia Botsa

  2. Department of Medical Imaging and Interventional Radiology, Sotiria General Hospital for Chest Diseases, Mesogeion Av. 152, Athens, 11527, Greece

    Loukia S. Poulou, Antonia Koundouraki & Loukas Thanos

  3. Department of Medical Imaging, General Military Hospital NIMTS, Athens, Greece

    Ioannis Koutsogiannis

  4. Division of Infectious Diseases, Warren Alpert Medical School of Brown University Rhode Island Hospital, Providence, RI, USA

    Panayiotis D. Ziakas

  5. Second Department of Radiology, Athens University School of Medicine, Attikon University Hospital, Athens, Greece

    Efthimia Alexopoulou

Authors
  1. Evanthia Botsa
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  2. Loukia S. Poulou
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  3. Ioannis Koutsogiannis
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  4. Panayiotis D. Ziakas
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  5. Antonia Koundouraki
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  6. Efthimia Alexopoulou
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  7. Loukas Thanos
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Corresponding author

Correspondence to Loukia S. Poulou.

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Botsa, E., Poulou, L.S., Koutsogiannis, I. et al. CT-guided radiofrequency tumor ablation in children. Pediatr Radiol 44, 1421–1425 (2014). https://doi.org/10.1007/s00247-014-3008-y

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  • DOI: https://doi.org/10.1007/s00247-014-3008-y

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