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European Radiology

, Volume 16, Issue 8, pp 1769–1778 | Cite as

Laser ablation of lung metastases: results according to diameter and location

  • Christiane Weigel
  • Christian Rosenberg
  • Soenke Langner
  • Claus-Peter Fröhlich
  • Norbert HostenEmail author
Chest

Abstract

Lung tumour ablation with a thin-calibre laser applicator system was evaluated. We quantified feasibility, technical success and complication rates in relation to lesion diameter and location. Forty-two patients with 64 lung tumours were treated (39 patients with metastases and three with primary tumours). Mean follow-up was 7.6 months (range 6 weeks to 39 months). Eighty-six percent of treatments were technically successful in the first session. Pneumothorax was the main complication and occurred in 50% of the first 20 patients and in 35% of the rest. Two patients required a chest tube. Fourteen lesions were central and 50 were peripheral. It took several weeks for the effect of the therapy to become apparent on follow-up CT. Thirty-nine percent of all lesions increased in size immediately after treatment. Gross reduction in size with scar formation was seen in 50% of the lesions and cavitation in 13%. Local tumour control was achieved in 51 lesions. Progression after therapy was seen in 9% of lesions <1.5 cm but in more than 11% of larger lesions. Progression was also more frequent in lesions located in the basal parts of the lung (47%). Sixteen patients died due to systemic progression. Our results suggest that successful laser ablation of lung lesions is possible with a miniaturized applicator.

Keywords

Lung Metastases Lung Laser ablation Intervention Pulmonary 

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Copyright information

© Springer-Verlag 2006

Authors and Affiliations

  • Christiane Weigel
    • 1
  • Christian Rosenberg
    • 1
  • Soenke Langner
    • 1
  • Claus-Peter Fröhlich
    • 1
  • Norbert Hosten
    • 1
    • 2
    Email author
  1. 1.Department of Diagnostic Radiology and NeuroradiologyErnst-Moritz-Arndt-Universität GreifswaldGreifswaldGermany
  2. 2.Institut für Diagnostische Radiologie und NeuroradiologieErnst-Moritz-Arndt-Universität GreifswaldGreifswaldGermany

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