Journal of Vascular and Interventional Radiology
Volume 20, Issue 3 , Pages 415-418, March 2009

Two Cases of Needle-Tract Seeding after Percutaneous Radiofrequency Ablation for Lung Cancer

  • Takao Hiraki, MD

      Affiliations

    • Department of Radiology, Okayama University Medical School, 2-5-1 Shikatacho, Okayama 700-8558, Japan
    • Corresponding Author InformationAddress correspondence to T.H.
    • ,
  • Hidefumi Mimura, MD

      Affiliations

    • Department of Radiology, Okayama University Medical School, 2-5-1 Shikatacho, Okayama 700-8558, Japan
    • ,
  • Hideo Gobara, MD

      Affiliations

    • Department of Radiology, Okayama University Medical School, 2-5-1 Shikatacho, Okayama 700-8558, Japan
    • ,
  • Yoshifumi Sano, MD

      Affiliations

    • Department of Cancer and Thoracic Surgery, Okayama University Medical School, 2-5-1 Shikatacho, Okayama 700-8558, Japan
    • ,
  • Hiroyasu Fujiwara, MD

      Affiliations

    • Department of Radiology, Okayama University Medical School, 2-5-1 Shikatacho, Okayama 700-8558, Japan
    • ,
  • Toshihiro Iguchi, MD

      Affiliations

    • Department of Radiology, Fukuyama City Hospital, Fukuyama, Japan
    • ,
  • Jun Sakurai, MD

      Affiliations

    • Department of Radiology, Okayama University Medical School, 2-5-1 Shikatacho, Okayama 700-8558, Japan
    • ,
  • Ryotaro Kishi, MD

      Affiliations

    • Department of Radiology, Okayama University Medical School, 2-5-1 Shikatacho, Okayama 700-8558, Japan
    • ,
  • Susumu Kanazawa, MD

      Affiliations

    • Department of Radiology, Okayama University Medical School, 2-5-1 Shikatacho, Okayama 700-8558, Japan

Received 30 June 2008; received in revised form 26 November 2008; accepted 7 December 2008. published online 23 January 2009.

The authors describe two cases of needle-tract seeding after percutaneous radiofrequency (RF) ablation for lung cancer. Needle biopsy was performed immediately before RF ablation in one case. In both cases, RF ablation was performed with a single internally cooled electrode, which was removed without cauterizing the electrode tract. The seeding nodule appeared 4 or 7 months after RF ablation and was then completely treated with a repeat RF ablation.

Abbreviation: RF, radiofrequency

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 None of the authors have identified a conflict of interest.

PII: S1051-0443(08)01516-9

doi:10.1016/j.jvir.2008.12.411

Journal of Vascular and Interventional Radiology
Volume 20, Issue 3 , Pages 415-418, March 2009

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